Mautic Community Forums

No returning out of office replies and bounces

Hey everyone, we are having an issue while sending email Mailings via Mautic.
Whenever we try to send emails the actual sending goes smoothly. Aaccording to the view and click rates we assume the clients receive the mails prpoerly but we do not get any auto reply messages from our client’s servers. Like out of office replies or undeliverable messages. Occasionally we do get a couple but only very rarely and by far not the ‚to be expected‘ amount of OOO-replies one normally gets when sending out a mailing.

When we send the mailings via another system (company CRM) the auto replies returned normally and in the expected amounts. The only difference that we were able to figure out so far is, that the CRM server mails out slower than the Mautic server does. Might that have any impact?

Did any of you also encounter that issue with the Mautic mailings or does anyone have any idea whether this is a setup problem or a server issue?

Any help or suggestion would be welcome.

These are the server deatils in case it helps you with an idea.

PHP Version 7.0.27
Linux emm 4.9.0-6-amd64 #1 SMP Debian 4.9.88-1+deb9u1 (2018-05-07) x86_64, Build Date Jan 5 2018 13:51:52

Server API Apache 2.0 Handler
Client API library version mysqlnd 5.0.12-dev
OpenSSL Library Version OpenSSL 1.1.0f 25 May 2017

mariadb-server 10.1.26-0+deb9u1

THANKS in advance!!
Michael & Steve