Version in base suite: 4.96-15+deb12u7
Base version: exim4_4.96-15+deb12u7
Target version: exim4_4.96-15+deb12u8
Base files: exim4_4.96-15+deb12u7.dsc
Target files: exim4_4.96-15+deb12u8.dsc

-E: version-substvar-for-external-package exim4 -> exim4-daemon-custom
-W: newer-standards-version 4.6.2 (current is 4.5.1)
+E: version-substvar-for-external-package Depends ${source:Version} exim4 -> exim4-daemon-custom [debian/control:196]
+W: obsolete-url-in-packaging http://lists.alioth.debian.org/mailman/listinfo/pkg-exim4-users [debian/control]