Created attachment 216550 [details]
Portscout flagged this port and since it has no maintainer, here's an update to the latest version.
Also, upstream moved to GitLab. This change reflects that.
Build info is available at https://gitlab.com/swills/freebsd-ports/pipelines/168164032
^Triage: If there is a changelog or release notes URL available for this version, please add it to the URL field
A commit references this bug:
Date: Sun Aug 2 14:15:36 UTC 2020
New revision: 543964
mail/isbg: Update to 2.2.1
Submitted by: Marcel Bischoff <email@example.com>