Earlier this month Laura Atkins over at Word to the Wise (great blog!) talked about the AOL/Verizon merger."Last year Verizon bought AOL. As part of that merger some @verizon.net e...
What is it?
The List-Unsubscribe header is in the unseen header portion of email messages. Recipients don't see the header itself but if the receiving email network leverages the L...
*Updated in September 2024
Barracuda Spam Firewall
Advanced Threat Protection
The Barracuda Email Security Service includes a rich set of inbound and outbound email filtering pol...
Navigate to your Domain Management page and chose the domain you are setting up the subdomain for to begin.Once you are in the management page for the domain you chose Add Record, ...
Are you frustrated by an SPF record that is not valid?One of the most common reason an SPF record will break is because it is including too many mechanisms.Are you looking for a qu...
*Updated in September 2024
Proofpoint is a cybersecurity and compliance company that protects people, data, and brands from advanced threats. Its flagship product, Proofpoint Emai...
*Updated in September 2024
When you add the Email Invalid Cause to display as a Column to any of your Deliverability Smart Lists, you will see a code value*, and potentially a su...
Gmail has started labeling mail that is sent without encryption with a broken lock icon .Email encryption in transit (TLS)Gmail supports encryption in transit using Transport Layer...
*Updated in September 2024
Cloudmark is a secure email gateway that uses fingerprinting technology to block spam. Cloudmark has a broad footprint of networks who leverage their te...
*Updated in September 2024
Identifying Unsuccessful Email Addresses
Option 1: Import Marketo’s Deliverability Program
Option 2: Creating your own Smart Lists
Smart List: Chr...