Change effective GID as well before trying chdir() to mail directory.
Change effective GID as well before trying chdir() to mail directory.

damoxc/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,Distrotech/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,damoxc/dovecot,damoxc/dovecot,LTD-Beget/dovecot,Distrotech/dovecot,damoxc/dovecot,damoxc/dovecot