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(Article Updated - August 2024) Overview A blocklist is a database of IP addresses or domains that have been associated with the sending of unsolicited commercial email or spam. Internet Service Providers (ISPs) and business email networks use information from blocklists to filter out unwanted email. As a result there can be a drop to inbox delivery rates if the IPs or domains involved with sending email are listed on a blocklist. Marketo’s Email Delivery and Compliance team monitors blocklist activity on our IPs and domains daily. When an impactful listing occurs, we reach out to the blocklist, attempt to identify the sender that triggered it, and work with the blocklist organization to get the listing resolved. There are thousands of blocklists, most will not have a significant impact on your delivery rates. Below, we have compiled a list of the blocklists that commonly appear across our sender ecosystem. Each blocklist has been grouped into a top tier (Tier I) by most impactful, to the bottom least impactful tier (Tier III). These may have little to no impact across our sender network. Tier I Blocklist Spamhaus (SBL) Impact: Spamhaus is the only blocklist that we categorize as a Tier I for a reason: it has by far the greatest impact on delivery. It is the most well-respected and widely used blocklist in the world. A listing at Spamhaus will have a negative effect on your ability to deliver emails to your customer’s inbox and can cause bounce rates of over 50%. Evidence suggests that most of the top North American ISPs use Spamhaus to inform blocking decisions. How it works: Unlike many blocklists, Spamhaus lists senders manually. This means they are proactively watching sender activity, collecting data, and base listings on a number of variables. Most commonly senders are listed for mailing to spam trap addresses that Spamhaus owns. Sometimes Spamhaus will list senders based on recipient feedback as well. Next Steps: Please note that every Spamhaus email can be quite different depending on the information provided and the nature of the listing . Because Spamhaus has multiple types of listings, the remediation steps are based on which type of blocklisting has occurred. We have listed the most common types to affect Marketo customers, from most to least impactful. Impact can range from a full block of top severity, to a partial block that is less severe (CSS Data, DBL). If remediation isn’t performed and the problem not addressed, these listings can increase in severity and turn into a full blocklisting. Spamhaus Blocklistings Types SBL (full blocklisting) Considered the most impactful. Remediation steps: Our team monitors closely for Spamhaus listings. Once alerted to the listing, we send an email notifying the customer, and reach out to the Spamhaus contact to start the remediation process. Only a Marketo delivery team member should be in direct correspondence with the Spamhaus contact, to speak on behalf of the customer, and to relay their questions and instructions, ensuring quick resolution and reduced impact. Senders that trigger this listing on a shared IP range will be moved to a more isolated, penalty range (IPB), so as not to impact the other shared senders. Those affected on a Dedicated IP, only impact their own sending and will not be moved. However, depending on the severity of the issue, our team may need to revoke a customer’s ability to send any emails until full resolution. The listing will last until Spamhaus is satisfied that the offending sender has taken the appropriate steps to mitigate the problem. SBL CSS Customers are alerted of the listing with an email containing all the information needed to immediately begin the remediation process. This is part of an automated trigger listing, that allows for a customer to delist directly on the Spamhaus website, after they’ve completed remediation. Remediation steps: Customers will go to the Spamhaus IP lookup website, at https://check.spamhaus.org, where they can check on the status of their IP and continue to monitor it in real time, until it is no longer listed there. Follow the remediation and delisting instructions provided, and check for specific details in the blocklist notification email. DBL (Domain blocklisting) Customers will receive an email notification alerting of the company domain being listed. The email will contain specific information to help narrow down and identify which email source likely triggered it within Marketo. It’s important to note that any email sent from outside of Marketo, that contained the company domain, is suspect. This means, if the sender uses multiple IPs and/multiple email platforms, then any of those could be the source. Remediation steps: Follow the detailed instructions in the email, which will also provide a link to the Spamhaus Domain reputation checker webpage, to check the real time listing status of the affected domain. Once the email source is identified and cause addressed, this customer will follow the online instructions to request to be delisted. Tier II Blocklist SpamCop Impact: SpamCop is not used by any of the major North American ISPs to inform blocking decisions, but it makes it to the Tier II list because it can have a significant impact on B2B email campaigns. SpamCop is considered a Tier I one blocklist for B2B marketers but a Tier II for B2C marketers. SpamCop is a dynamic IP blocklist, that can affect a single IP or a subset of IPs Typically, the block will automatically lift within one business day, but can take longer for relisted IPs. To have triggered a SpamCop listing likely means the sender has a list management problem that should be addressed. How it works: SpamCop lists IPs for one of two reasons: Either the email hit SpamCop spam trap addresses OR A SpamCop user has reported the email unwanted. Most of SpamCop’s spam traps are previously valid addresses that have not been active for 12 months or longer. Remediation steps: If you are seeing a significant number of bouncing emails caused by a SpamCop blocked IP but aren’t sure if your email activity triggered the listing, first identify whether you are sending on a shared sender network or not. If sending from a shared IP range when this occurs, you or any other customer sending from the same network may have contributed to the IP block. This IP block will automatically get dropped within a business day. For those on a Dedicated IP that trigger a listing, refer to the above remediation steps and resources, to address the list management issue. Tier III Blocklist (Low/ No impact ) These are considered the lowest tier and therefore cause the least impact across the Marketo sender ecosystem. Some of these blocklists were more impactful at one time, while others are only impactful based on the sender region (Manitu). Others still can suddenly flare up (Lashback). There are also many blocklists that are ignored (0spam), and are not taken seriously because they do not provide any means to delist once on the list (NoSolicitado) or that they charge money to have the listing removed ( UCEPROTECT ). The pay-to-delist model is not well respected in the email industry. When using blocklist tool checkers, such as MXToolBox, many blocklists will appear, but very few are relevant. Here is our selection of Blocklists you may come across that are least impactful: Project Honey Pot SpamAssassin URIBL/SURBL DrMX PSBL 0spam HostKarma Ascams ZapBL Barracuda Trendmicro Inc. Cloudmark Proofpoint Invaluement ISP Blocklists Some ISPs use internal blocklists to make blocking decisions. Examples include AOL, Yahoo, Gmail, Outlook and Hotmail. If your IP is being blocked by one of these networks, and those networks have a large presence in your lists, a block of this kind could have a noticeable negative impact on delivery. Marketo monitors for significant ISP blocks. Those experiencing deliverability issues with emails not making it to the Inbox and bulking in the spam folder may benefit from additional services with our Email Delivery Consultants. Remediation Steps: Email Delivery Compliance Team works to resolve any ISP blocks. ISP blocks are are usually resolved or lifted within less than 24 hours of a delisting request. Customers experiencing significant blocks for Microsoft domains (outlook.com, live.com, microsoft.com), can submit a request to the delivery team to seek mitigation on their behalf. Additional Resources: Blocklist Deep Dive Abuse Report Deep Dive What is a spamtrap, or spam trap, and why does it matter? Blocklist remediation Blocklist resolution flowchart Successful lead reconfirmation What is a blocklist?

Issue You have Visibility Rules enabled for a field on your form, but the field is not shown or hidden as expected based on the values in the other fields. Solution If you have enabled visibility rules for Field B but the field is not showing/hiding as expected when the correct value is chosen in Field A, one possibility could be the with the setup with the selected operator in the rule. When using visibility rules for Field B, the "is" operator will use and reference the displayed values of Field A, but "contains" will use the stored values. For example, let's say you have a visibility rule that should display the a particular field when 'Marketo Lead Management' is selected for the "Product Interest" field. The displayed value for the field (the one shown to the customer) may be "Marketo Leads Management" but the stored value for the field (the value written to the lead record) is "MLM". If you set up the visibility rule as "Product Interest is Marketo Leads Management", the rule will look at the Display Value and see a match. However, "Product Interest contains Marketo Leads Management" will look at the Stored Value, which is "MLM." It will not see the match, and the field will not be displayed.

Issue: When I try to approve an email I get the following error: Error approving Email Name - Sending IP is empty or not valid This is a article attached image Solution: You likely have multiple dedicated IPs and you did not choose which one to send this email from. 1. Edit Draft of the email in question. 2. Select which IP Address you want this email to sent from and click Save. This is a article attached image 3. Close the email editor and under Email Actions click on Approve.

Issue Embedded Marketo form not visible in Firefox Private Browsing mode. Solution Firefox's private mode will be enabled by default. When you embed a Marketo form in your own webpages and view it in Firefox's private mode, it will disable the Javascript as part of the tracking protection of this browser. JavaScript is needed for the forms to appear on the landing pages or webpages. The "Tracking Protection" in the Firefox browser will need to be deactivated for the form to appear. Here is an article from FireFox regarding the Tracking Protection: https://support.mozilla.org/en-US/kb/tracking-protection

Issue Marketo forms that are embedded on external web pages see loading errors. Examples of this could be that the fields load with delay, or once submitted the form lags before moving to a follow up page. Solution Two things to check: Is there custom CSS in your form? Is the embed code on your form customized? Isolate the cause You can isolate the root of the lag by testing your form on a Marketo Landing Page 1. Locate the embedded form with in your instance 2. Build a landing page to test the form: Landing Page with a Form 3. Place your form on the new testing landing page, approve the page and close it. 4. Load the Landing Page using the URL If the form loads with no delay, the issue lies with the embed code used to push the form onto the external page. Please work with your custom developer to find a resolution. If the form is loading with a delay (and there is custom CSS): 1. Clone your form 2. Remove any custom CSS from with in the form 3. Build a landing page to test the form: Landing Page with a Form 4. Place your form on the new testing landing page, approve the page and close it. 5. Load the Landing Page using the URL If you are not seeing any loading errors, the issue lies with in the custom CSS of your form. Please work with your custom coder to improve the loading speed of your form. Note: Occasionally, incorporating the form embed script into containers (custom coding) and utilizing custom JavaScript may lead to delays in form functionality. In such instances, it is recommended to collaborate with your developer to identify a solution, as Marketo Support does not troubleshoot issues specifically related to custom coding. If you are still seeing lag errors on your form loading on the Marketo Page, please submit a ticket with support@marketo.com

Issue The same email looks different in different email clients, and does not match what is shown in the Email Previewer. Solution Different browsers and email clients render HTML and CSS differently. While there are standards set forth by W3C, there is room for flexibility. At a high level, it is expected for emails to look different, even within the same platform such as Outlook 2013 vs Outlook 2010. With that said, you can code against some of these anomalies by adding extra code in CSS to account for the differences. You should consult with an HTML/CSS designer to make these changes. In all likelihood, the issue is related to how Outlook(or any other email client) is rendering the email and reviewing the Outlook settings as well as email and template code should resolve any issues customers are experiencing as when we send test emails to both outlook and gmail both are generally rendered differently (gmail seems a bit fine though). FAQs Where should I start trying to determine whether this is a Marketo or Outlook issue? In most cases if the email is loading within another email client without issue then Outlook would be the best location to review. Is there a way for me to see if it is a template problem? Yes, does the issue occur when an email is created and sent with another template? What are the steps to troubleshoot? In general, to provide the most accurate troubleshooting steps, a bit more information will be helpful. I have provided a few general tips below which may be helpful. As a rule of thumb, Outlook sometimes requires custom coding to appear as it does in other email clients since they use their own word engine to render the html. If the images when they are downloaded are not displaying as expected, we would typically recommend reviewing any code in the email since Outlook uses its word engine to render html and additional code may be needed for Outlook specifically as a result. A developer may be required to implement any custom code required to display the emails as expected. You may consider reaching out to the Community to understand what other users have done to overcome similar obstacles. I have provided a few links below which may be relevant. Is there any reference Documentation ? https://nation.marketo.com/docs/DOC-4765-why-does-my-email-looks-different-on-various-version-of-the-same-platform-like-outlook HTML Email Display in Outlook Marketo emails don't render properly in MS Outlook app for iOS Re: Help - My Emails Look Terrible in Outlook 2016 Here are a few resources that may help with Outlook rendering issues: It’s Not You, It’s Outlook – The Complete Guide for Email Marketers http://www.verticalresponse.com/blog/its-not-you-its-outlook-the-complete-guide-for-email-marketers/ Gallery of Common Outlook Rendering Issues Gallery of Common Outlook Rendering Issues MICROSOFT OUTLOOK CONDITIONAL STATEMENTS http://labs.actionrocket.co/microsoft-outlook-conditional-statements Outlook 2007/2010/2013/2016 and Word HTML Outlook 2013 / 2016 / 2019 / 365 and Word HTML - HowTo-Outlook 12 Techniques for Excellent Emails in Outlook.com How to Create Excellent Emails for Outlook.com A Guide to Rendering Differences in Microsoft Outlook Clients Outlook Email Rendering Issues and How to Solve Them - Litmus Surface Pro 3 and Outlook Email Rendering Redirecting

Issue Email asset does not show which template it was built on and shows the word "none" instead of the name of the template that was used to create that asset. Solution Any edit directly to the HTML code of an email will break the connection between the email and the template. Changes made to the template will no longer flow down to the email. After making those change you will see a template name of None instead of the name of a template. When editing the HTML in the email, you will see this warning message: This is a article attached image

What is the Email API? What is the Email API used for? What is Email 2.0? Does the Email API Work on Email 2.0 Assets? Will the Email API Break when Enabling Email Experience 2.0? How Are 1.0 Assets Upgraded to 2.0 Assets? What to Do When an Email Was Accidentally Converted to Email 2.0 format? What is the Email API? API stands for Application Programming Interface and the Email API allows an automated process to create and edit emails in Marketo. There are also other API calls that involve emails, such as Approve Snippet (assuming the Snippet is used in an Email) and Clone Program (assuming the Program contains Emails). There are also API calls to create and update Email Templates. Essentially, the API can do many things that you can also do through the Marketo user interface, but then in an automated fashion. What is the Email API used for? There are many scenarios: an external system could create Emails in Marketo using data that lives outside of Marketo. A translation service provider could clone a master Email, translate it to many languages, then save them back into Marketo as localized Emails. A reporting system could extract Emails from Marketo to use in reports that are generated outside of Marketo. An external system could Clone a Program that contains Emails, then populate the Program Tokens and schedule the Email to be sent out at a specific time. There could be an external email template creation system that creates new Email templates in Marketo through the API. What is Email 2.0? “Email Experience 2.0” is the new Marketo product feature with the enhanced email editor, documented here: https://docs.marketo.com/display/public/DOCS/Email+Editor+v2.0+Overview. It can be switched on in Admin > Email > Edit Email Editor Settings. All Emails and Email Templates also have a version number, either 1.0 (the old version) or 2.0 (the new version). If we refer to “Email 2.0 asset” we mean an email or email template in the new upgraded 2.0 format. Does the Email API Work on Email 2.0 Assets? Yes. Will the Email API Break when Enabling Email Experience 2.0? No. Enabling Email 2.0 will not automatically upgrade Emails or Email Templates to the new 2.0 format. The Email API can still create new Emails and Email Templates in the 1.0 format. However – after enabling Email 2.0 – any Email or Email Template that is created or edited and approved through the Marketo User Interface will automatically be upgraded to the 2.0 format. How Are 1.0 Assets Upgraded to 2.0 Assets? If you edit an “Approved" or “Approved with Draft” 1.0 Email with Email 2.0 enabled, the draft is converted to the 2.0 format. You can still discard the draft to go back to the approved 1.0 format. Once you approve the email and it becomes 2.0, the Email cannot be converted back to 1.0. If you edit a “Draft” 1.0 Email (never been approved), this will automatically be converted to 2.0 with no option to revert back to the 1.0 format. The same applies to Email Templates. What to Do When an Email Was Accidentally Converted to Email 2.0 format? If an Email or Email Template was accidentally converted to the 2.0 format, you’d have to copy the asset contents to a text editor, disable Email 2.0, then create a new 1.0 asset using the content that you copied.

Issue You have been receiving form submissions that appear to have bogus/nonsensical data in the fields, such as "kjsag@sm4.to" for email address, or "111-111-1111" for phone number, or in a Comment field other random nonsensical text. Solution Currently, there are no default settings in Marketo that prohibit a form submission if the required fields are filled out. A great workaround for addressing these bogus form submissions in Marketo is to implement a 'honeypot' field on the form. To do this, you will need to create a custom Marketo field, string type, and name it something distinctive (such as "spam" or "honeypot"). After creating this field in Marketo Admin > Field Management, place this new field on the form as a hidden field. Real live end-users do not see hidden fields, but spam bots will see them and fill out all available fields. So now when we see form fills with this honeypot field "not empty," we know that it was a bot fillout. Setting up the Honeypot Field Say that you have a Trigger Campaign that's having some issue with these spam/bogus form fills. In the flow of this campaign, you can add a flow step at the top: Remove from Flow, with a Choice. Choice: If Honeypot field Is not empty, then remove from flow Default: do nothing This way, the lead record is removed from the flow. You can also have other campaigns to handle these bogus form fills, such as a daily recurring batch to delete the record. Other Options Another method of dealing with bot fillouts is to enable a reCaptcha. In fact, a very prolific Marketo user has written custom code that you feasibly could use to enable a reCaptcha on the form! Check this out: https://codepen.io/figureone/pen/meybqN?editors=0110

Issue You want to have one email address in the From field ( abc@test.com) a different email address in the Reply-To (all@test.com)? Solution Yes, you can use different email addresses in the From and Reply-To. If the Reply-To is an email alias that sends to a group, you should confirm that email is working and able to receive email. Please note: Automatic replies, such as out-of-office notifications will be sent to the From address, not the Reply-To. Reply-To is only used when the person who received the email clicks the Reply button in their email client. Note :- The SMTP envelope sender typically appears as <uniqueidentifier>@*.mktomail.com. You will only receive responses of this nature if you have configured a branded sender for your subscription. While this serves as the correct destination for auto-responses, regrettably, it is frequently overlooked.

Issue -Error editing image in email: “image URL does not exist” or “image URL cannot be found” Environment -SSL not enabled on Marketo instance -Browser blocks unsecured content Solution Option 1 -Set up SSL for landing pages (Recommended! SSL should be a baseline configuration for all landing pages and tracking domains). Add SSL to Your Landing Pages | Adobe Marketo Engage Option 2 (Not recommended! Warning! This is a security risk.) -Allow browser to view unsecured content (can choose to turn this setting back off in the browser after viewing the content) This link below describes how to enable this content in Chrome. https://docs.adobe.com/content/help/en/target/using/experiences/vec/troubleshoot-composer/mixed-content.html This link below describes how to enable this content in Firefox. https://support.mozilla.org/en-US/kb/mixed-content-blocking-firefox Option 3 -Try to use a different browser or try turning off all browser extensions. Root Cause This issue could be caused by SSL not being enabled. If the issue was sudden, and SSL is enabled, it is likely due to the browser needing an update. Check if there are any updates that need to be done.

Issue When trying to edit an email you are receiving the error "Cannot Load Email" with out any other details. This is only when trying to edit the email, other functionalities like cloning still work. Solution The reason you are receiving this error message is because the HTML of the email has been corrupted. Extract the HTML of the email by following the instructions here: https://docs.marketo.com/display/DOCS/Download+an+Email's+HTML Find the email and select it In the Email Actions Drop down click Download HTML Once the emails HTML is extracted you can check on the errors by pushing the HTML through a validator (https://validator.w3.org/) **If no Errors are evident please create a support ticket. If there are errors but you would still like to use the HTML in an email. Create a new email, replace the HTML with the extracted content from the old email Append the HTML to resolve any errors that would corrupt the content Save and Approve Email for use in campaigns and programs Root Cause Sometimes emails can become corrupted in Marketo. When this occurs unexpected behavior may occur. Typically emails become corrupted when a copy of a copy of a copy (etc.) occurs. With each clone of an asset there is a small chance that the asset could become corrupted, this becomes more and more likely as clones of clones are made. A solution to help prevent corruption would be to create a 'master' email that you can clone from each time instead of cloning from something else that was cloned. This same solution can be applied to other assets such as landing pages.

Issue Clearing cache and cookies in your browser will fix a number of different problems related to page display, browser errors, and login issues. Solution Here are links to the support articles on how to clear cache and cookies for the most commonly used browsers. Chrome Clear cache and cookies - Computer - Google Account Help FireFox How to clear the Firefox cache | Firefox Help Internet Explorer https://support.microsoft.com/en-us/help/278835/how-to-delete-cookie-files-in-internet-explorer Microsoft Edge Microsoft Edge, browsing data, and privacy – Microsoft privacy

Issue You have two SFDC picklist fields mapped to one Marketo field but it isn't showing all picklist values for both SFDC fields. Solution When two SFDC picklist fields are mapped to one field in Marketo, the only values that will show in Marketo will be the values that exist in both picklists. Review the picklist values in Salesforce and add any missing values to the picklists so that they match exactly. This could happen in situations where the field in Marketo is mapped to a SFDC picklist field on leads as well as a SFDC field on contact/account.

Adobe Marketo offers a number of ways to contact Marketo Support directly for assistance from our different support regions. Further details about your Adobe Success Plan can be found HERE. Note: If your Marketo Instance and Users have been migrated to Admin Console, refer to this Admin Console Overview page for managing the Adobe entitlements across your organization and to engage Marketo Support. Marketo Support Portal (https://support.marketo.com) The Marketo Support Portal features a web form to submit support cases to Marketo Support. The form provides Authorized Support contacts the ability to provide details on the support issue that allows Marketo Support to efficiently and effectively assign your case to the best suited available support engineer. We encourage you to leverage our Best Practices when submitting your case to Marketo Support. Support Services – Regions, Hours, and Languages Authorized Support contacts can engage Marketo Support by calling one of our Adobe Enterprise Phone Numbers for your region. Live Telephone and Online Technical Support Priority 1 incidents: 24x7x365 via phone or online support case Priority 2-4 incidents: Support available during regional business hours via chat or online support case. Regional Business Hours Applicable regional business hours are based on the billing address in the Sales Order or purchasing documents. If Adobe is contacted for support by someone other than the designated Named Support Contacts, Adobe may request that that the support case be resubmitted by a Named Support Contact. Languages Japanese language support is available during Japanese regional business hours, excluding holidays or Adobe days off. Japanese support is not available for Adobe Commerce. With the above exception, all Support will only be provided in English. Support Access Customer will grant Adobe Support access to applicable customer systems via remote support tools controlled by Adobe for the purpose of troubleshooting and support services. Regional Business Hours for Support Applicable regional business hours are based on the billing address in the Sales Order or purchasing documents. Americas Europe, Middle East & Africa Asia Pacific Japan 6 am – 5:30 pm 9 am – 5 pm 9 am – 5 pm 9 am – 5 pm

Issue You may notice this permission error "You do not have sufficient privileges to perform this action" when previewing an email even though the user role has permission to access the emails. Solution This can happen when the user role didn't have any access to the lead database as shown in the picture. This is a article attached image The user role needs the top-level access to the Lead Database(1 of 15). This is because the email previewer allows one to view the asset as if you were a specific lead, but if you can't see the leads, then the error will trigger. To fix this issue, you would need to provide the user role with top-level access to the lead database.

Issue Issue Description "${button-link}" appears on the Email Link Performance report in place of the URL the buttons point to. Solution Issue Resolution To stop this "${button-link}" from appearing on the reports, edit the text version of the emails to replace the "${button-link}" with the URL the button points to. This occurs because the text version of the email didn't get edited to provide a valid button link. The "${button-link}" value is part of HTML templates and if the setting 'Copy HTML to Text version of email' is checked then those values get copied across. From there, if the text version doesn't get edited or reviewed after that copy over happens, tracked links for "http://${button-link}?mkt_tok=..." will be sent out for those leads that get the text version of the email in place of the URL the button points to. The next question after hearing this solution is often, "If this is just for the text version, who is reading the text version of emails?", and the answer is that it's probably automated link scanners or security software visiting the link and triggering the click to show on reports.

If you sent an email from the Lead Database (as a Single Flow Action), as part of a campaign, or as a test email but didn't receive it, here are some tips. Check the "From:" address When sending a test message, make sure to check the "From:" address setting on your message. To do this, go to the Email Settings tab of the email editor. In the "From:" field, make sure that you either have a single valid email address, or a valid email address as the default, if you are using a token. Many people want to send their messages from the lead owner. When you use the send test feature, the email address you are sending to doesn't have a full lead record, and so it doesn't have a lead owner. Since Marketo cannot send an email with no "From:" address, test messages without a valid email address in the "From:" field will not send. Send as a Lead If you have verified that the email had a valid From: address and you still aren't getting it, make sure to create yourself as a lead and send using a flow action. See if the mail was sent If you sent the email as part of a campaign or Single Flow Action, check the campaign's Results tab or your lead detail page to see if that mail was already sent to you. If it hasn't been sent yet, try waiting a little while longer. Check your Junk Mail In your email client, check your Junk Mail or Spam folder to see if the mail landed there. If it did, you should change the content of your email. Check your corporate spam filter Your corporate mail server may have blocked emails from Marketo; you should contact your IT department to see if this is the case. Please see our instructions for whitelisting Marketo's email servers: Add Marketo to Your Corporate Email Whitelist Try sending to a different recipient If you sent the original mail to your corporate account, try sending to a personal account on Yahoo or Gmail. If you sent it to a personal account, try your corporate mail account. Use Marketo's Email Deliverability product The Email Deliverability PowerPack, with Design Informant and Inbox Informant, can warn you when your mail is being rejected because of its content and help you identify junk mail pitfalls. Also, using Domain Keys and SPF improve the chances of your email landing in your leads' inboxes. Contact Marketo If you still can't figure out what happened contact Marketo to see if we can help.

Issue You have multiple domains for your landing page CNAMES and want to choose which one is used for a landing page. Solution First, you will need to make sure your secondary domains are set up with a CNAME and a domain alias. You don't choose a domain when creating the page. All pages are created under the default/original landing page domain, but they're all available from all domain aliases as well. Swapping out the default domain with the domain alias in the URL will take you to the same page. You find more detail on this here - Multiple Domains (CNAMEs) in a Single Marketo Instance

Issue Users for your Marketo instance are unable to log into the instance. Solution Check your landing page URLs and email links. If these are also unavailable, your Marketo instance may have been shut off. Marketo Support can confirm whether your instance has been deactivated, but are not able to reactivate it. In this situation, please contact your Marketo Account Representative to discuss the status of the instance and regaining access.

Issue You created a picklist field in SFDC and want to know if that field will sync down to Marketo with the field type of picklist. Solution Marketo has a picklist option in form fields, but not in Lead Database fields. When you sync a field from SFDC that has the type of picklist, this field will show in Marketo with a type of String. However, when you create a form, the field type for your field will show as "select," which is a picklist.

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Different Email Addresses in the From and Reply-To Lines

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Contact Adobe Marketo Engage Support

Permission Error When Previewing Email

Email Link Performance Report Shows "${button-link}" Instead of URL

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Using Multiple Landing Page Domains for Your Landing Pages

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Picklist Field Type in SFDC and Marketo