Dovecot 2.2.30.2 has been released and is now on files1 (synced to mirrors within 24 hours)
https://www.dovecot.org/list/dovecot...ne/000348.html

It contains an important bug-fix introduced in 2.2.30.x which causes LMTP delivery issues, described here:
https://forum.directadmin.com/showthread.php?t=54880

John