Every email you send has a purpose. In marketing, and if you’re a commercial organization, the objective is a sale (either directly or indirectly). It matters therefore if there are things getting in the way of meeting your marketing objective; one such issue some people face is that recipients see the terms Marketing Mail, Newsletter or Suspicious URL Content in their subject line. This, of course, is likely to lead to fewer people opening your email campaigns.
Recipients see the warnings preceding the subject line of your Mailchimp sent email campaigns if they use Symantec for their email security. Symantec security uses various means that identify the content of the incoming email message and label it accordingly.
Why “Suspicious Content” is added to the subject line
Below is a questions I recently received from a large sports organization:
Not sure if you would be able to assist me. I have been having an issue with email sent from Mailchimp onto our domain. We are using Symantec Anti-Spam filter and whenever emails are sent from Mailchimp, as per our policy in Symantec, subject gets tagged as “Suspicious Content”. There is an option to put the sender domain and email address as whitelist on Symantec but even after adding all available Mailchimp domains onto the whitelist, the same issue recurs. Any idea to overcome this issue? Any sort of suggestion would be greatly appreciated. Symantec and I have been working on this for a while now and still stuck up with this issue.
How to remove Symantec subject line warnings
My response was as follows:
Try the following:
- Whitelist the IP addresses that Mailchimp send from per https://mailchimp.com/help/about-company-whitelisting/
- Make sure that your sending domain (in Mailchimp) is Authenticated: https://mailchimp.com/help/set-up-custom-domain-authentication-dkim-and-spf/
This should solve the issues.
Within two days the person that asked the question replied that white-listing the Mailchimp IP addresses solved the issue. Symantec is no longer inserting warning messages in the email campaign subject line.
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