Why can some emails display as “on behalf of” or “via”?
Starting in February 2024, Gmail and Yahoo are rolling out new authentication requirements which require using a custom DKIM authenticated domain with DMARC reinforced.
GetResponse strongly advises all senders to use emails addresses from own sending domains
For additional details on these modifications, refer to our blog
Gmail and Yahoo’s Authentication Changes: All You Need to Know
Regardless of your ‘From’ address settings which you choose for each message, it may happen that some of your subscribers
From: [xyz@getresponse-mail.com]
on behalf of [your_from_email]
-OR-
From: John Smith [your_from_email]
via getresponse.com
The situation described above may occur for only some of your subscribers using certain email clients