search for: ekg9ngiir1r9raaauxb6

I did some more digging around and found this is reproducible on multiple hosts running the same version of Dovecot/Pigeonhole/Postfix. The problem resurfaces on any host to an account with enabled Vacation/OOO response. The Vacation/OOO reply filter was created in Roundcubemail, but has been fine for years. One thing to note is in Dovecot 2.3.0 I did enable UTF8, but even if I disable UTF8

...bug: quota: quota_over_flag check: quota_over_script unset - skipping Dec 29 21:21:39 doveadm(recipient at domain.net): Debug: Namespace : Using permissions from /home/vmail/domain.net/recipient at domain.net/Maildir: mode=0700 gid=default Dec 29 21:21:39 dsync-local(recipient at domain.net)<eKG9NGIiR1r9RAAAUXb6+w>: Debug: doveadm-sieve: Iterating Sieve mailbox attributes Dec 29 21:21:39 dsync-local(recipient at domain.net)<eKG9NGIiR1r9RAAAUXb6+w>: Debug: sieve: Pigeonhole version 0.5.0 (d68c23a1) initializing Dec 29 21:21:39 dsync-local(recipient at domain.net)<eKG9NGIiR1r9RAAAUXb6+w>:...

...g check: quota_over_script unset - skipping > Dec 29 21:21:39 doveadm(recipient at domain.net): Debug: Namespace : > Using permissions from > /home/vmail/domain.net/recipient at domain.net/Maildir: mode=0700 > gid=default > Dec 29 21:21:39 > dsync-local(recipient at domain.net)<eKG9NGIiR1r9RAAAUXb6+w>: Debug: > doveadm-sieve: Iterating Sieve mailbox attributes > Dec 29 21:21:39 > dsync-local(recipient at domain.net)<eKG9NGIiR1r9RAAAUXb6+w>: Debug: > sieve: Pigeonhole version 0.5.0 (d68c23a1) initializing > Dec 29 21:21:39 > dsync-local(recipient at domain.net)<eK...