SquirrelMail is no longer maintained, should be removed

[tristanbob]

Last news entry was 2013.
Last software release was 2011.

http://squirrelmail.org/index.php
https://sourceforge.net/projects/squirrelmail/files/

[myfirstnameispaul]

According the SourceForge project home page, the last development commit was 9 hours ago. Seems they just haven't released a new version in quite some time.