doveconf -n output: # 2.3.2.1 (0719df592): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.2 () # OS: Linux 4.18.0-12-generic x86_64 Ubuntu 18.10 # Hostname: mail.example.org auth_debug = yes auth_debug_passwords = yes auth_mechanisms = plain login auth_verbose = yes director_mail_servers = XX.XX.XX.XX hostname = mail.example.org log_path = /var/log/dovecot.log login_trusted_networks = XX.XX.XX.XX mail_debug = yes mail_location = mbox:~/mail:INBOX=/var/mail/%u mail_privileged_group = mail namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = } passdb { args = proxy=y host=XX.XX.XX nopassword=y driver = static } protocols = imap submission service director { fifo_listener login/proxy-notify { mode = 0600 user = $default_login_user } inet_listener { port = 9090 } unix_listener director-userdb { mode = 0600 } unix_listener login/director { mode = 0666 } } service imap-login { executable = imap-login director } service submission-login { executable = submission-login } ssl = required ssl_cert =
Logging: Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Connection created Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Received new command: EHLO [10.225.11.41] Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command EHLO; 250 reply: Submitted Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command EHLO: Ready to reply Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Trigger output Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Sending replies Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command EHLO: Completed Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Connection state reset Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command EHLO; 250 reply: Sent: 250-mail.example.org 8BITMIME BURL imap CHUNKING ENHANCEDSTATUSCODES SIZE STARTTLS PIPELINING Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command EHLO: Destroy Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command EHLO; 250 reply: Destroy Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Trigger output Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: No more commands pending Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Sending replies Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: No more commands pending Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Received new command: STARTTLS Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command STARTTLS: Next to reply Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command STARTTLS; 220 reply: Submitted Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command STARTTLS: Ready to reply Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Trigger output Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Sending replies Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command STARTTLS; 220 reply: Sent: 220 2.0.0 Begin TLS negotiation now. Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command STARTTLS: Destroy Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Starting TLS Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Connection clear Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Connection state reset Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command STARTTLS; 220 reply: Destroy Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Trigger output Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: No more commands pending Dec 18 16:36:39 submission-login: Debug: SSL: where=0x10, ret=1: before SSL initialization Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2001, ret=1: before SSL initialization Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: before SSL initialization Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: before SSL initialization Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: before SSL initialization Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: before SSL initialization Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2001, ret=1: before SSL initialization Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2001, ret=1: SSLv3/TLS read client hello Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2001, ret=1: SSLv3/TLS write server hello Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2001, ret=1: SSLv3/TLS write certificate Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2001, ret=1: SSLv3/TLS write key exchange Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2001, ret=1: SSLv3/TLS write server done Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: SSLv3/TLS write server done Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: SSLv3/TLS write server done Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Sending replies Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: SSLv3/TLS write server done Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: No more commands pending Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: SSLv3/TLS write server done Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: SSLv3/TLS write server done Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: SSLv3/TLS write server done Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: SSLv3/TLS write server done Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2001, ret=1: SSLv3/TLS write server done Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: SSLv3/TLS read client key exchange Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: SSLv3/TLS read client key exchange Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Sending replies Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: SSLv3/TLS read client key exchange Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: No more commands pending Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: SSLv3/TLS read client key exchange Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: SSLv3/TLS read client key exchange Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: SSLv3/TLS read client key exchange Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=-1: SSLv3/TLS read client key exchange Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2001, ret=1: SSLv3/TLS read client key exchange Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2001, ret=1: SSLv3/TLS read change cipher spec Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2001, ret=1: SSLv3/TLS read finished Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2001, ret=1: SSLv3/TLS write change cipher spec Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2001, ret=1: SSLv3/TLS write finished Dec 18 16:36:39 submission-login: Debug: SSL: where=0x20, ret=1: SSL negotiation finished successfully Dec 18 16:36:39 submission-login: Debug: SSL: where=0x2002, ret=1: SSL negotiation finished successfully Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Sending replies Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: No more commands pending Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Received new command: EHLO [XX.XX.XX.XX] Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command EHLO; 250 reply: Submitted Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command EHLO: Ready to reply Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Trigger output Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Sending replies Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command EHLO: Completed Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Connection state reset Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command EHLO; 250 reply: Sent: 250-mail.example.org 8BITMIME AUTH PLAIN LOGIN BURL imap CHUNKING ENHANCEDSTATUSCODES SIZE PIPELINING Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command EHLO: Destroy Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command EHLO; 250 reply: Destroy Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Trigger output Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: No more commands pending Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Sending replies Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: No more commands pending Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Received new command: AUTH PLAIN Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command AUTH: Next to reply Dec 18 16:36:39 auth: Debug: client in: AUTH 1 PLAIN service=submission secured=tls session= lip=XX.XX.XX.XX rip=XX.XX.XX.XX lport=587 rport=49679 local_name= mail.example.org ssl_cipher=ECDHE-RSA-AES256-GCM-SHA384 ssl_cipher_bits=256 ssl_pfs= ssl_protocol=TLSv1.2 resp= (previous base64 data may contain sensitive data) Dec 18 16:36:39 auth: Debug: static(): lookup Dec 18 16:36:39 auth: Debug: static(): Allowing any password Dec 18 16:36:39 auth: Debug: client passdb out: OK 1 user= proxy host= XX.XX.XX.XX pass= Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command AUTH; 235 reply: Submitted Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command AUTH: Ready to reply Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Trigger output Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Sending replies Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command AUTH: Completed Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command AUTH; 235 reply: Sent: 235 2.7.0 Authentication successful Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command AUTH: Destroy Dec 18 16:36:39 submission-login: Info: proxy( ): started proxying to XX.XX.XX.XX:587: user=< >, method=PLAIN, rip=XX.XX.XX.XX, lip=XX.XX.XX.XX, TLS, session=<> Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Disconnected: Connection closed Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: command AUTH; 235 reply: Destroy Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Connection destroy Dec 18 16:36:39 submission-login: Debug: smtp-server: conn [0]: Connection state reset Dec 18 16:36:40 submission-login: Info: proxy( ): disconnecting XX.XX.XX.XX (Disconnected by server(0s idle, in=533, out=295)): user=< >, method=PLAIN, rip=XX.XX.XX.XX, lip=XX.XX.XX.XX, TLS, session=<> Dec 18 16:36:40 submission-login: Debug: SSL alert: close notify
Op di 18 dec. 2018 om 07:18 schreef Aki Tuomi aki.tuomi@open-xchange.com:
On 18 December 2018 at 02:30 Adi Pircalabu via dovecot < dovecot@dovecot.org> wrote:
On 2018-12-18 07:33, Ruud Voorjans wrote:
Dear all,
I'm running dovecot # 2.3.2.1 - Pigeonhole version 0.5.2 () - OS: Linux 4.18.0-12-generic x86_64 Ubuntu 18.10 with Submission. It works great except with apple mail (Iphone).
I get an error with the MTA (postfix): ""postfix/submission/smtpd[32552]: warning: non-SMTP command from mail.example.org [1][xx.xx.xx.xx]: Content-Transfer-Encoding: 7bit""
with other mail-client(s) (Outlook (Desktop and Iphone app)) i have no problem and it proxy-sends the e-mail beautiful out to the recipient.
Hardly anything to do with Dovecot. When it comes to email clients Apple Mail has been and is still one of the worst flops (no offence intended, just my opinion based on personal experience). If you can reliably reproduce it, try and log the raw SMTP conversation between Postfix and the client by enabling per IP debugging in Postfix: postconf -e "debug_peer_level = 20" postconf -e "debug_peer_list = xx.xx.xx.xx" postfix reload where xx.xx.xx.xx is the unlucky client IP address.
Possibly some crappy SMTP PIPELINING implementation at the Apple end, who knows.
-- Adi Pircalabu
It's not unconceivable that there are bugs in submission either. Can you provide doveconf -n and submission rawlogs? See https://wiki.dovecot.org/Submission for settings.
Aki Tuomi