Version 1.2.4-1.3 of clamassassin is marked for autoremoval from testing on Thu 09 May 2024. It depends (transitively) on sendmail, affected by #1066420. You should try to prevent the removal by fixing these RC bugs.
Standards version of the package is outdated.
high
The package is severely out of date with respect to the Debian Policy.The package should be updated to follow the last version of Debian Policy
(Standards-Version 4.7.0 instead of
3.7.2).
This package has been
orphaned. This means that it does not have a real
maintainer at the moment. Please consider adopting this package
if you are interested in it. Please see bug number #1068489 for more information.