Here's something interesting I learned which I thought I'd share.
If you use qmail-scanner and you change your server's hostname, you really must run qmail-scanner-reconfigure afterwards.
This is because qmails-canner hard-codes the hostname it finds at the point when it is installed, reinstalled or reconfigured into its code, and this hard-coded hostname is used in some circumstances.
In particular, if you use mailman, the return-path in emails generated by mailman will include the hard-coded hostname.
I hope this helps someone in the future.
wrong hostname in Return-Path with qmail-scanner (solution)
wrong hostname in Return-Path with qmail-scanner (solution)
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Re: wrong hostname in Return-Path with qmail-scanner (soluti
More tips after changing a hostname on an Atomic / ASL machine:
rkhunter --propupd
(rkhunter needs to be aware of the new hostname)
qmail-scanner-reconfigure
(because it needs to be fixed in /var/qmail/bin/qmail-scanner-queue.pl)
Also do not forget to change the HOSTNAME setting in /etc/asl/config and run 'asl -s -f' afterwards.
rkhunter --propupd
(rkhunter needs to be aware of the new hostname)
qmail-scanner-reconfigure
(because it needs to be fixed in /var/qmail/bin/qmail-scanner-queue.pl)
Also do not forget to change the HOSTNAME setting in /etc/asl/config and run 'asl -s -f' afterwards.
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