Did u mean set this
disable_plaintext_auth = no Need some help as still having issues Can’t send or receive M181923P5865.pepino,S=7114,W=7258:2,S) failed: Cached message size smaller than expected (7114 < 8192, box$Feb 17 14:45:37 pepino dovecot: imap(pi): Error: read(/home/pi/Maildir/.Trash/cur/1550431162.M181923P5865.$Feb 17 15:16:04 pepino dovecot: doveadm: Error: This is Dovecot's error log (1550434564) Feb 17 15:16:04 pepino dovecot: doveadm: Fatal: This is Dovecot's fatal log (1550434564) Feb 17 15:16:10 pepino dovecot: doveadm: Error: This is Dovecot's error log (1550434570) Feb 17 15:16:10 pepino dovecot: doveadm: Fatal: This is Dovecot's fatal log (1550434570) * error occurred on SMTP session *** Error occurred while sending the message: 451 4.3.5 Server configuration error [15:45:38] IMAP> 9 UID STORE 6 +FLAGS.SILENT (\Deleted) [15:45:38] IMAP< 9 OK Store completed (0.001 + 0.000 secs). [15:45:38] IMAP> 10 EXPUNGE [15:45:38] IMAP< * 1 EXPUNGE >> On 17 February 2019 at 12:45 soydepr <soyd...@gmail.com> wrote: >> >> >> # 2.2.27 (c0f36b0): /etc/dovecot/dovecot.conf >> # Pigeonhole version 0.4.16 (fed8554) >> # OS: Linux 4.14.79-v7+ armv7l Debian 9.6 >> auth_mechanisms = plain login >> disable_plaintext_auth = no >> listen = * >> mail_location = mbox:~/mail:INBOX=/var/mail/%u >> namespace { >> inbox = yes