We weren't properly checking if X-IMAPbase header was seen when we parsed X-UID header. Could cause assert-crash while rewriting.
We weren't properly checking if X-IMAPbase header was seen when we parsed
X-UID header. Could cause assert-crash while rewriting.

damoxc/dovecot,damoxc/dovecot,Distrotech/dovecot,damoxc/dovecot,damoxc/dovecot,Distrotech/dovecot,Distrotech/dovecot,damoxc/dovecot,Distrotech/dovecot,Distrotech/dovecot