Title: Mu 1.7.23 Causing Maildir Corruption Author: Matthew Smith Posted: 2022-06-26 Revision: 1 News-Item-Format: 2.0 Display-If-Installed: =net-mail/mu-1.7.23 Development versions of mu between 1.7.18 and 1.7.25 (only 1.7.23 was ever packaged in Gentoo) have a bug causing mail file names to sometimes get mangled after moving messages between directories. Symptoms include unread messages never being marked as read. Affected messages have the ':2,' flag appended multiple times. Using the following commands, users can remove the extra flags. find ~/Maildir -name '*:2,*:*' | sed "s/\(\([^:]*\)\(:2,\)\{1,\}\(:2,.*$\)\)/mv '\0' '\2\4'/" \ > rename.sh # review rename.sh. empty file indicates that you are unaffected sh rename.sh Upstream issue: https://github.com/djcb/mu/issues/2268