EPEL9 currently provides msmtp 1.8.22 which was released 2022-08-07. Please update to 1.8.27 released on 2024-10-06. https://marlam.de/msmtp/ For rawhide there is already a bug open: https://bugzilla.redhat.com/show_bug.cgi?id=2278142 Thanks.
Closing this ticket as a more recent version exists, see bug#2278142
Ah this was for EPEL 9. On my side I do need msmtp for EPEL 10. If the latest version updates fine for EPEL 9, I will build it there too.