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Setting an email to "operational" does the following No unsubscribe link automatically added Email will be sent to leads set to Unsubscribed Email will be sent to leads set to Marketing Suspended   Note - when sending an operational message, Unsubscribed and Marketing Suspended leads will still be included in the "blocked from email" count on the schedule tab of the campaign.   When is it OK to use the operational setting?   Sending marketing email to unsubscribed addresses is illegal. For this reason, you should be extremely careful to only use this setting in extremely limited circumstances. Using this setting incorrectly violates Marketo's Terms of Service, and most antispam laws. There may be legal consequences for using this setting incorrectly. Good uses of the operational setting fall into two categories: Transactional messages Relationship messages   What's a transactional message? A transactional message is part of a transaction that a lead has initiated and you are responding to. Here's some examples of transactional messages: Receipts for purchases Registration confirmations Download links in response to form fill-outs Requested assets (whitepapers, spec sheets, etc.)   What's a relationship message? A relationship message describes something that affects your business relationship with the lead. Here's some examples of relationship messages: Downtime notifications Changes to terms of service Recall notices End of service notifications   Operational messages should not contain any marketing content at all. In other words, do not use the operational setting to send a message that contains a receipt and a promotion, only a receipt.
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Leads can be auto unsubscribed due to default Feedback Loop setup with the ISPs listed on this page. You can use the following filters to find leads that have clicked the SPAM button in your emails:   Filter 1: Data Value Changed Attribute: Unsubscribe New Value: True Reason: Contains, Customer Complaint Received from ISP.   (Optional to Specify what Email Domain) Filter 2: Email Address Email Address: Contains, @domain.    
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Double opt-in is the gold standard of email permission. Also known as confirmed opt-in or COI, this practice is where a person fills out an opt-in form and is then sent an email and must click a confirmation message before they are added to the mailing list. Here are some great reasons to use double opt-in: Protects against typos and bots Protects against spamtraps Reduces bounce rates, improves deliverability Required in some regions Increases engagement rates   If you'd like to set up double opt-in with Marketo you can do this with the use of the Marketing Suspended function. Marketing Suspended is a status that is functionally equivalent to Unsubscribe - Marketo will not send these leads marketing emails, but will send them operational emails. You'll need an opt-in form and a pair of trigger campaigns. First, set up a trigger campaign such that, when the form is filled out, the flow has a Change Data Value to mark the lead as Marketing Suspended, and then a Send Email step to send an operational email that you will use to confirm their request to join your mailing list. Your confirmation email should be short and to the point, and make sure to set it as an operational email. We recommend that it is clearly branded, use a simple subject line such as "Confirm Your Request to Join Our Mailing List" or similar, and include a link within to a simple confirmation landing page. Set a second trigger campaign such that whenever someone clicks the confirmation link to the confirmation landing page, the flow will change data value Marketing Suspended new value is false. A follow up flow should be set up that if the recipient doesn't activate the link in the confirmation email the address is either deleted or set to Blacklist within the database after a reasonable timeframe, usually 2 weeks.  The Blacklist status will ensure that no email is set to that lead until they have completed the subscription process. This prevents future operational emails from being sent to this email address unintentionally. That's it!  Now, when someone fills out your opt-in form, they will be set to Marketing Suspended until they click the confirmation link in your operational confirmation email. You'll be well on your way to increasing the quality of leads on your mailing list by implementing this simple process.
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Issue If your IT department or a client asks for your Marketo dedicated sending IP address in order to whitelist your marketing emails, here is how you can find it.     Solution Your Marketo instance's dedicated IP address can be found by sending yourself a live version of one of your Marketo emails, then checking the message headers for the IP address that it was sent from.  It should also be included in the original documentation that Marketo's deliverability team would have provided you when the dedicated IP was set up.  If you are unable to locate the IP address in the emails, or are unable to find your original documentation, please reach out to Marketo Support and we can look it up for you.   Who This Solution Applies To Customers with a dedicated sending IP
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Issue You receive a DMARC report from an ISP saying that your email failed to pass the SPF alignment check, but when you check your SPF listing in Admin > Email > SPF/DKIM, SPF is verified. Solution The SPF record in Admin > Email > SPF/DKIM  is tied to your FROM domain.  DMARC alignment (using SPF) aligns the domain in the FROM address with the domain in the “return-path” address.  This “return-path” address, usually using a '*.mktomail.com' domain, is generally unseen by recipients and directs email bounces and errors back to Marketo for processing.    Failed DMARC alignment, between these two domains, is what is triggering the failure your DMARC reporting.   DMARC compliance requires EITHER DKIM or SPF compliance, not both in most cases.  This article reviews the two methods available for DMARC alignment - https://nation.marketo.com/docs/DOC-1202-technical-tip-set-up-dmarc-verified-domains-in-a-few-easy-steps Having DKIM DMARC alignment may be enough and you may not need to rely on full SPF DMARC alignment.   In order to set up SPF DMARC alignment, Branded Return-Path will allow you to align the “return-path” domain with your sending FROM address domain.  If you have a dedicated IP on the current pricing plan or are on the Trusted IP range, Marketo can brand your return path at no additional charge.  If you have a legacy Silver Dedicated IP package, or are on the Shared IP range, you can purchase the Branded Return Path as an add-on.   More technical info can be found here: What is DMARC? - https://nation.marketo.com/docs/DOC-1097 https://nation.marketo.com/docs/DOC-5910-branded-envelopefrom-on-shared-or-trusted-ips https://nation.marketo.com/docs/DOC-5951-branded-envelopefrom-on-dedicated-ips
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  Marketo Champions are customers who have demonstrated outstanding leadership in the Marketo Community, are experts in Marketo products, are avid contributors in the social world, and are loyal advocates of the Marketo brand. Benefits and perks our Champions receive include:   Access: Meetings with our product and marketing teams to give exclusive feedback Previews: Given early previews to products, features, and releases when available Publicity: Exclusive speaking opportunities at our annual Marketo Summit and other events Networking: Special networking events with Marketo executives and fellow Champions and semi-annual conference calls Ownership: Ownership of content and exclusive activities at our annual Marketo Summit that showcase your expertise and thought leadership Credibility: Special Champion badge on Marketo Community profiles, and profiled on Marketo's corporate website Sweet Swag: Champion-exclusive swag To find out more information and apply, click here. To view a complete list of current Champions, click here. Join the Marketo Elite Today!  
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  Welcome to Marketo Support This guide provides individual links that covers the following topics: Marketo Support Policies Service Level Agreement How to Contact Marketo Support How to Submit a Case Tips on Effective Case Submission Managing Authorized Support Contacts (Support Admins) Managing Your Cases How to Escalate    
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Issue You would like to understand the difference between "Send email" and "Delivered email" activity. Solution Send email activity confirms that the email which you have sent has been dispatched from Marketo to be delivered. Delivered email activity is recorded when the recipient email server responds that the email has been accepted for delivery. Delivered email activity doesn't actually mean that email has been delivered to lead's email inbox. For more information on what happens to the email once it reaches the recipient email server, check out this blog post: https://nation.marketo.com/community/support_solutions/blog/2016/02/26/between-the-delivery-and-the-inbox-what-happens.    
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Issue You are experiencing slow processing of campaigns, smart lists, and reports.     Solution There are three key components that can slow down an instance: Number of trigger campaigns: Trigger campaigns are always on, always listening.  If there are 50 campaigns triggering at the same time, all the 50 triggers will be in queue, slowing down your processing and routing inside Marketo. Solution: Reduce the number of Triggers. Convert some of the triggers to batches: Batches also run all the flow steps for every lead at once, instead of serially, which reduces total processing time.   Complexity of smart lists: The more complex a smart list, the harder it is for the system to figure it out, which increases backend processing and even creates campaign failures from timeouts. Solution: Reduce the number of nested smart lists called in a smart list. Whenever you ask Marketo to call another Smart List, it has to wait until all of the other smart lists finish, before putting together the final counts. Instead of Marketo looking for the list and running it, just put the filters in the trigger itself.   Volume of Leads: With regular cleaning and good systems design, it is fairly easy to keep your system running fast. Reduce the number of leads that can flow through with filters. Clean up the inactive leads at regular intervals.    
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  This is a article attached image Upon signing a contract with Marketo you are provisioned a Marketo instance and a Support Service. There are four different types of Support Services which are available to meet different customer support needs: Online (Legacy) Business or PREMIER SUPPORT BUSINESS (Legacy) Premier or PREMIER SUPPORT ENTERPRISE (Legacy) Elite or PREMIER SUPPORT ELITE Each Support Service has a different Service Level Target (SLT). An SLT is the amount of time Marketo Support targets to make first contact with you after a support case has been submitted. SLTs differ for each Support Service and priority level. Priority levels range from Priority P1 to Priority P4. Here are the SLTs and priority levels for each Support Service:   Priority Online (Legacy) Business PREMIER SUPPORT BUSINESS (Legacy) Premier PREMIER SUPPORT ENTERPRISE (Legacy) Elite PREMIER SUPPORT ELITE P1 1 hour 1 hour 1 hour 30 minutes 30 minutes 30 minutes 15 minutes P2 4 hours 3 hours 2 hours 2 hours 1 hour 2 hours 30 minutes P3 6 hours 5 hours 4 hours 4 hours 2 hours 2 hours 1 hour P4 3 days 1 day 1 day 1 day 1 day 1 day 1 day   Here are the descriptions for each priority level: Priority Description P1 Mission Critical: Core business function down or potential loss of mission critical data P2 Urgent: Major feature or workflow is not functioning. Mission critical workflow and majority of user community is not blocked P3 Important: Normal usability or task completion is impacted but functional, or workaround is available P4 Minor: Minor issue requiring a correction. Normal workflow is not impacted   Find more information About Support here!  
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From the Marketo Email Use Policy: "...You may not send any Unsolicited Email by use or means of the Marketo Service. "Unsolicited Email" is defined as email sent to persons other than: persons with whom you have an existing business relationship, OR (ii) persons who have consented to the receipt of such email, including publishing or providing their email address in a manner from which consent to receive email of the type transmitted may be reasonably implied." The full text of the policy is here: https://documents.marketo.com/legal/use-policy/ An abuse report is a report that an individual sends to abuse@marketo.com alleging that a Marketo customer sent unsolicited email. There are a number of reasons why someone might report abuse. Here are a few common reasons people report abuse to us: The person forgot they opted-in to the mailing The person received genuinely unsolicited email The person opted in, but the branding in the email was different than the branding on the opt in form so it was not clear the email they received was connected to their opt-in experience Someone signed up for your list with the wrong address, and the person who actually received your email felt it was abusive   For additional reference - Abuse Report Deep Dive  
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Issue Emails cannot be delivered from the Marketo instance and the following Soft Bounce code was recorded in the record's activity log. 554 5.4.7 [internal] (last transfail: 435 5.7.8 Authentication credentials invalid) Environment Dedicated IP Address SMTP Relay credential invalid Soft Bounce Code: 554 5.4.7 [internal] (last transfail: 435 5.7.8 Authentication credentials invalid) Cannot send email Email Delivered not recorded in activity log Solution Provide Marketo Support with the updated credentials so Support can create an internal request to get the update the credentials on Marketo's end. The process can take up to three (3) business days to complete.  Note: Avoid using special characters in the password such as quotation mark (") as it can alter the configuration.    Root Cause The credentials for the SMTP Relay has been changed and no longer match what is stored in Marketo. In most cases it is the password as it need to be change on an annual basis.
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What is a Blocklist? Can I Still Send My Emails, or Are You Blocking Me from Sending? What Is a Spamtrap and Why Do They Matter? Can You Give Me the Spam Trap Address That Triggered the Blocklist So I Can Remove It from My Database? Can You Give Me More Information regarding the Blocklist Issue? What Is the Quarantined IP Range? I Sent This Email Campaign a While Ago. Why Am I Only Getting Notification of the Blocklist Issue Now, and Am I Still Blocklisted? The Blocklist Notification Went to the Wrong Email Address. Why Was It Sent to That Address? Which blocklists should I be concerned about? - Top Blocklists – What You Need to Know How do blocklist issues get resolved? What steps do I need to take to resolve the blocklist issue? - Blocklist Remediation  
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Summary You have set up a campaign or campaigns in the Email Deliverability Tool (250ok), but there is no engagement metric showing Total opens and Unique opens, which should be available in the ‘Engagement Overview’ in the Email Deliverability tool. You would need to ensure that you have configured the necessary setup for the tracking to work in the Email Deliverability tool. Issue Campaigns created in the Email Deliverability tool (250ok) doesn’t show any engagement overview metric such as total opens and unique opens. Environment Email Deliverability tool (Production/Sandbox) Solution You would need to implement the necessary setup for the metric to show in the Engagement Overview in the Email Deliverability tool (250ok)    Follow the steps below to ensure you have configured the setup for campaign tracking.   1. Ensure your DNS CNAME is configured. (All that is required is creating a CNAME DNS entry on this domain that points to 250analytics.com)  For more information, you can refer to this external documentation: https://www.validity.com/knowledge-base/what-are-custom-domains-in-250ok-analytics/   2. Insert the correct tracking pixel code retrieved from the Email Deliverability tool.    3. Always utilizing the ‘c=‘ tag in your tracking code for your campaigns to ensure the tracking is measured correctly in the Email Deliverability tool. (Obviously, the CNAME above is essential to have it set up correctly). You can follow a guide on how to implement the ‘c=‘ tag and retrieve the tracking pixel is here: https://help.returnpath.com/hc/en-us/articles/360046308092-How-Do-I-Add-My-250ok-Tracking-Pixel-   Once you have all these configuration settings, you can start tracking your campaigns which are sent via Marketo in the Email Deliverability > Engagement Overview. Root Cause Mis-configuration or no configuration made causing the campaign tracking does not work.
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  Syntax Recommendations Common Look Up mechanisms Common Modifiers Too Many Mechanisms Character String Too Long Null Records in the SPF Record Repetitive Records in the SPF Record - Void Lookups Validation Tools Syntax Recommendations Common Look Up mechanisms a: mx: include: ip4: ip6: exists: ptr: all Common Modifiers redirect= exp=   An A Record must ALWAYS contain IP address (map host to IP) CNAME (Alias) must contain hostnames. No IPs here NS an MX records must contain host names. No IPs allowed. MX records (for mail servers)  should contain hostnames NOT IPs. Too Many Mechanisms Section 10.1, "Processing Limits" of the SPF RFC 4408 specifies the following in regards to DNS lookups: SPF implementations MUST limit the number of mechanisms and modifiers that do DNS lookups to at most 10 per SPF check, including any lookups caused by the use of the "include" mechanism or the "redirect" modifier.  If this number is exceeded during a check, a PermError MUST be returned.  The "include", "a", "mx", "ptr", and "exists" mechanisms as well as the "redirect" modifier do count against this limit.  The "all", "ip4", and "ip6" mechanisms do not require DNS lookups and therefore do not count against this limit. The "exp" modifier does not count against this limit because the DNS lookup to fetch the explanation string occurs after the SPF record has been evaluated. This limit is in place to prevent SPF lookups from being a useful avenue for Denial of Service attacks. Using an example SPF record as an example to illustrate, this record was breaking with 12 look-ups: example.com text = "v=spf1 include:_spf-a.example.com include:_spf-b.example.com include:_spf-c.example.com include:_spf-ssg-a.example.com include:spf-a.anotherexample.com ip4:131.107.115.215 ip4:131.107.115.214 ip4:205.248.106.64 ip4:205.248.106.30 ip4:205.248.106.32 ~all" [ 5 mechanisms] _spf-a.example.com  text = "v=spf1 ip4:216.99.5.67 ip4:216.99.5.68 ip4:202.177.148.100 ip4:203.122.32.250 ip4:202.177.148.110 ip4:213.199.128.139 ip4:213.199.128.145 ip4:207.46.50.72 ip4:207.46.50.82 a:mh.example.m0.net ~all"  [ +1 = 6 mechanisms] mh.example.m0.net a = 209.11.164.116 _spf-b.example.com text = "v=spf1 include:spf.messaging.example.com ip4:207.46.22.35 ip4:207.46.22.98 ip4:207.46.22.101 ip4:131.107.1.27 ip4:131.107.1.17 ip4:131.107.65.22 ip4:131.107.65.131 ip4:131.107.1.101 ip4:131.107.1.102 ip4:217.77.141.52 ip4:217.77.141.59 ~all" [+1 = 7 mechanisms] spf.messaging.example.com text = "v=spf1 include:spfa.anotherexample.com include:spfb.anotherexaple.com include:spfc.anotherexample.com -all"  [+3 = 10 mechanisms] spfa.anotherexample.com  text = "v=spf1 ip4:157.55.116.128/26 ip4:157.55.133.0/24 ip4:157.55.158.0/23 ip4:157.55.234.0/24 ip4:157.56.112.0/24 ip4:157.56.116.0/25 ip4:157.56.120.0/25 ip4:207.46.100.0/24 ip4:207.46.108.0/25 ip4:207.46.163.0/24 ip4:134.170.140.0/24 ip4:157.56.110.0/23 -all" [+0 = 10 mechanisms] spfb.anotherexample.com  text = "v=spf1 ip4:207.46.51.64/26 ip4:213.199.154.0/24 ip4:213.199.180.128/26 ip4:216.32.180.0/23 ip4:64.4.22.64/26 ip4:65.55.83.128/27 ip4:65.55.169.0/24 ip4:65.55.88.0/24 ip4:94.245.120.64/26 ip4:131.107.0.0/16 ip4:157.56.73.0/24 ip4:134.170.132.0/24 -all" [+0 = 10 mechanisms] spfc.anotherexample.com  text = "v=spf1 ip4:207.46.101.128/26 ip6:2a01:111:f400:7c00::/54 ip6:2a01:111:f400:fc00::/54 ip4:157.56.87.192/26 ip4:157.55.40.32/27 ip4:157.56.123.0/27 ip4:157.56.91.0/27 ip4:157.55.206.0/24 ip4:157.55.207.0/24 ip4:157.56.206.0/23 ip4:157.56.208.0/22 -all" [ +0 = 10 mechanisms] _spf-c.example.com  text = "v=spf1 ip4:203.32.4.25 ip4:213.199.138.181 ip4:213.199.138.191 ip4:207.46.52.71 ip4:207.46.52.79 ip4:131.107.1.18 ip4:131.107.1.19 ip4:131.107.1.20 ip4:131.107.1.48 ip4:131.107.1.56 ip4:86.61.88.25 ip4:131.107.1.44 ip4:131.107.1.37 ~all" [+0 = 10 mechanisms] _spf-ssg-a.example.com  text = "v=spf1 include:_spf-ssg-b.example.com include:_spf-ssg-c.example.com ~all"  [+2 = 12 mechanisms] _spf-ssg-b.example.com  text = "v=spf1 ip4:207.68.169.173/30 ip4:207.68.176.1/26 ip4:207.46.132.129/27 ip4:207.68.176.97/27 ip4:65.55.238.129/26 ip4:207.46.222.193/26 ip4:207.46.116.135/29 ip4:65.55.178.129/27 ip4:213.199.161.129/27 ip4:65.55.33.70/28 ~all"  [+0 = 12 mechanisms] _spf-ssg-c.example.com text = "v=spf1 ip4:65.54.121.123/29 ip4:65.55.81.53/28 ip4:65.55.234.192/26 ip4:207.46.200.0/27 ip4:65.55.52.224/27 ip4:94.245.112.10/31 ip4:94.245.112.0/27 ip4:111.221.26.0/27 ip4:207.46.50.221/26 ip4:207.46.50.224 ~all" [+0 = 12 mechanisms] spf-a.secondexample.com  text = "v=spf1 ip4:157.55.0.192/26 ip4:157.55.1.128/26 ip4:157.55.2.0/25 ip4:65.54.190.0/24 ip4:65.54.51.64/26 ip4:65.54.61.64/26 ip4:65.55.111.0/24 ip4:65.55.116.0/25 ip4:65.55.34.0/24 ip4:65.55.90.0/24 ip4:65.54.241.0/24 ip4:207.46.117.0/24 ~all" [+0 = 12 mechanisms] Character String Too Long 255 character limitation in a single string https://kb.isc.org/article/AA-00356/0/Can-I-have-a-TXT-or-SPF-record-longer-than-255-characters.html http://www.string-functions.com/length.aspx You may have more than 255 characters of data in a TXT or SPF record, but not more than 255 characters in a single string. If you attempt to create an SPF or TXT record with a long string (>255 characters) in it, BIND will give an error (e.g. "invalid rdata format: ran out of space".)  Strings in SPF and TXT records should be no longer than 255 characters.  However to get around this limitation, per RFC 4408 a TXT or SPF record is allowed to contain multiple strings, which should be concatenated together by the reading application.  In the case of use for SPF (using either TXT or SPF RRs) the strings are concatenated together without spaces as described below.  Reassembly by other applications of multiple strings stored in TXT records might work differently. 3.1.3. Multiple Strings in a Single DNS record As defined in [RFC1035] sections 3.3.14 and 3.3, a single text DNS record (either TXT or SPF RR types) can be composed of more than one string. If a published record contains multiple strings, then the record MUST be treated as if those strings are concatenated together without adding spaces. For example: IN TXT "v=spf1 .... first" "second string..." MUST be treated as equivalent to IN TXT "v=spf1 .... firstsecond string..." SPF or TXT records containing multiple strings are useful in constructing records that would exceed the 255-byte maximum length of a string within a single TXT or SPF RR record. EXAMPLE text = "v=spf1 ip4:199.15.212.0/22 ip4:72.3.185.0/24 ip4:72.32.154.0/24 ip4:72.32.217.0/24 ip4:72.32.243.0/24 ip4:94.236.119.0/26  ip4:37.188.97.188/32 ip4:185.28.196.0/22 ~all“ text = "v=spf1 ip4:199.15.212.0/22“ " ip4:72.3.185.0/24 ip4:72.32.154.0/24 ip4:72.32.217.0/24" " ip4:72.32.243.0/24 ip4:94.236.119.0/26" " ip4:37.188.97.188/32 ip4:185.28.196.0/22 ~all" Null Records in the SPF Record A record that is NULL or that does not exist will break an SPF record.  Syntax within the record is very important, if there are extra spaces between mechanisms it will count as NULL. EXAMPLE text = "v=spf1 ip4:199.15.212.0/22“ <- accurate text = "v=spf1 ip4: 199.15.212.0/22“ <- NULL (NOTE the space between IP4: and the IP) Repetitive Records in the SPF Record - Void Lookups If there are too many repetitive mechanisms in the SPF record, including records that cascade (for example when using "include:") the record will break. There is a MAX of 2 void look ups in an SPF record.  More than that and the record will break.  This prevents SPF records from being used in Denial of Service style attacks. Validation Tools SPF checker, syntax validator and SPF tester http://www.kitterman.com/spf/validate.html SPF checker http://vamsoft.com/support/tools/spf-policy-tester SPF validator http://vamsoft.com/support/tools/spf-syntax-validator CIDR Calculator http://www.subnet-calculator.com/cidr.php Nslookup http://network-tools.com/nslook/ SPF creation wizard http://www.microsoft.com/mscorp/safety/content/technologies/senderid/wizard/ Common SPF errors http://www.openspf.org/FAQ/Common_mistakes SPF syntax definitions http://www.openspf.org/SPF_Record_Syntax
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An email being filtered to a quarantine or bulk mail folder happens after the recipient mail server has accepted message.  Once an email has been accepted by a mail server, it is impossible to tell where it went or what happened to it.  Note that this is true of any mail sent by any system on the Internet.   Every mail server has configurable filters that determine how received mail will be handled.  The mail server administrator should be able to adjust those filters to ensure delivery of emails based on their business standards, or there may even be end-user-configurable controls that can accomplish the same thing.   If test mailings you are sending to yourself or your colleagues are being filtered to a quarantine or bulk mail folder, you should consider asking your email administrator to whitelist Marketo’s IP ranges.  They can be found here.   You can also improve your deliverability in general by setting up SPF and DKIM records, and branding your tracking links.
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We have enhanced the behavior of the unsubscribe functionality to make it “durable”.  We have added a master email status, which is separate from the unsubscribe flag visible on the lead detail record.   If the unsubscribe flag is set from false to true, the master email status is updated, and the change is propagated to other leads with the same email address. Update the Unsubscribe flag from True to False (e.g. Re-subscribe a lead) When a lead is imported, the unsubscribe flag WILL NOT be overwritten by the import. Here are the ways a lead can be re-subscribed: 1.   In SFDC, uncheck the Email Opt Out field.  This WILL sync to Marketo. 2.   Manually update the lead detail record by un-checking the unsubscribe flag 3.   Run a Change Data Value Flow Action on one or many leads a.  Select the attribute “unsubscribe” and set the value to False 4.   Update an existing lead via SOAP API 5.   Form Field – set a field on a form to set the unsubscribe flag to “false” and this will unsubscribe the lead a. Best practice would be to have text on the form that says that by filling out this form, they are agreeing to receive email communication Creating a New Lead When a new lead is created, we check it against the master email status table.  If the lead was previously unsubscribed, we will update the record to be unsubscribed.   Changing an email address If you change the email address of a lead to an unsubscribed email address, the lead will be unsubscribed.  This change can occur in either Marketo or SFDC. If you change an unsubscribed email address to one that is subscribed, the lead will be subscribed.    
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No, if you have received the blacklist notification, you are not blocked from sending mail.  You can continue to mail while you work through the remediation steps. The only time we will ever block you from sending mail is if you trigger a listing at Spamhaus, the world’s most respected and widely used blacklist. If this happens, you will receive a call or email to let you know what’s going on and we will work with you to resolve the issue. This is a rare occurrence. Additional Resources: Can you give me the spam trap address that triggered the listing? What is a spamtrap, or spam trap, and why does it matter? What is a blacklist? How does Marketo respond to blacklisting and spam notifications? Top blacklists - What you need to know Blacklist Remediation Successful Reconfirmation
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We manage our network to provide our customers with the highest server availability and best deliverability possible.  Marketo has a strong anti-spam policy and a team that handles blacklist notifications in our IP space and spam complaints.  We also cooperate with most major anti-spam providers and ISPs.  In addition, we maintain feedback loops for many of the most popular email providers.  For more information on feedback loops and ISPs with whom we have this arrangement, click here. Blacklistings are usually caused by sending mail to a spam trap email address.  For an explanation on what causes blacklisting, click here. When we receive notification of a blacklisting, we react in two ways.  First, we go through the procedures to remove the listing from that blacklist as soon as possible.  Second, we determine (if possible) which of our customers caused the blacklisting and work with them to improve their mailing lists to prevent a reoccurrence in the future.  This is usually a cooperative process, most frequently, a review of mailing policies and strategic pruning of a customer’s lead database will return them to best practices.    
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  Quick points: *Spamtraps are addresses owned by antispam organizations *Emailing a spamtrap (usually) gets your IP or domain blacklisted *Maintain current, direct opt-in with an active lead database to avoid this     What is a spam trap or spamtrap?   A spam trap, or spamtrap is an email address secretly owned by an antispam organization that is used to detect spam. Antispam organizations do not sign up for mailing lists, so they consider any email sent to these addresses to be spam. Once email is sent to the spamtrap, the antispam organization that owns this address will blacklist the IP that sent the email (or, less often, domains that are linked in the message).   Email administrators purchase subscriptions to various blacklists, and use the lists to block all incoming email from listed IPs or containing listed domains. From the marketer’s perspective, this can mean a high number of bounced emails leading to low lead engagement, and ultimately to weak revenue performance.   There are two types of spamtraps – pristine traps, and repurposed/recycled traps. A pristine trap is an email address that was never used by a person. A repurposed trap is an email address that once belonged to someone but is no longer a valid address; these addresses will bounce as bad addresses for at least six months before an antispam organization will turn them into live traps.<   How can a spamtrap get into my Marketo lead database?   Purchased data   Purchased data is unreliable. The antispam world does not like the use of purchased data so antispam administrators have made a concerted effort to get spamtrap addresses into the databases of data vendors. While data vendors may say they provide opt-in data in reality consent should be direct to your company./p> Sending unsolicited email is prohibited by the Marketo Terms of Use because this practice has a high risk of causing blacklist issues that can destroy deliverability for multiple Marketo customers. To avoid spam traps get direct opt-in before sending email. If you have purchased data in the past we recommend setting any inactive purchased leads to marketing suspended or simply removing them from your database. Old data Repurposed traps are email addresses that were once valid but are now owned by an antispam organization. This can happen when a company goes out of business; expired domains are often purchased by antispam organizations. Sometimes a company that has a direct partnership with an antispam organization will allow email addresses of former employees or users to become spamtraps. Because antispam organizations will generally make sure future spam traps return a bounce as bad addresses for at least six months before they become spam traps you can prevent repurposed traps in your database by emailing remaining engaged with everyone in your database at least once every six months. Avoid “wake the dead” campaigns to addresses you have not contacted in more than six months. Unconfirmed form entries People can unintentionally enter spamtrap addresses into forms either by making a typo or by intentionally using a fake email address that happens to be a spamtrap. If you use single opt-in, you may add spamtraps to your mailing list. This is more likely to happen if you are a B2C company or if someone thinks they can get whitepapers or free trials simply by filling out a form with made-up information.   How can I identify spamtrap addresses?   Spamtrap addresses are considered trade secrets by the antispam organizations. They do not share these addresses because their goal is for senders to change their mailing practices rather than to simply remove spamtraps from their mailing lists.   That said, one thing we do know about spamtraps is that they tend to be automated processes and do not engage. Spamtraps do not click links. You can use smart list filters to identify inactive leads in Marketo.   How can I prevent spamtraps in my database? Maintain active, direct opt-in for all leads. Don’t purchase data. (To grow your list, sponsor events, use list rental services that send the first message for you, or use co-branded content that sends you only good leads) Email everyone you want to email at least once every six months Don’t add old data directly to your mailing list. (If you need to, add in small batches and send a welcome email with a slightly different subject to each batch.) Regularly clean your database of inactive leads Grant access to assets such as free trials and whitepapers as email links to discourage intentional use of fake email addresses on forms Use scripting on your forms to identify potential typos
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