Greg Sims:
> Hi There,
>
> We recently moved from RHEL 6/Postfix to CentOS 7/Postfix. I see a change
> in the maillog that I need help understanding.
>
> We are using mailman to manage three lists totaling 21K subscribers. Each
> email is sent using VERP so that the Sender and Errors-to headers
Hi There,
We recently moved from RHEL 6/Postfix to CentOS 7/Postfix. I see a change
in the maillog that I need help understanding.
We are using mailman to manage three lists totaling 21K subscribers. Each
email is sent using VERP so that the Sender and Errors-to headers are
unique -- containin