On 06/23/2021 10:15 PM, Kenneth Porter wrote: > --On Wednesday, June 23, 2021 10:54 PM -0400 H <agents at meddatainc.com> wrote: > >> Viewing /var/log/maillog I get some information but cannot see which >> application generated that e-mail, nor the content of it which would >> likely allow me to see where it comes from. >> >> Can anyone suggest how to track down the app so I can reconfigure the >> mail address? > > Hold all delivery so you can examine the mystery message in the queue. I found this article on how to hold mail with Postfix: > > <https://serverfault.com/questions/92981/how-do-i-temporarily-suspend-mail-delivery-to-a-specific-domain-non-local-with> > > This requires creating the file /etc/postfix/hold with a static hold rule and "compiling" it with the postmap command. Add a line to main.cf to use the new map. > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos There are plenty of messages, basically every few minutes, see the e-mail I just posted.