<html><head></head><body><div style="font-family: arial,helvetica,sans-serif; font-size: 12px;">Hallo zusammen,<br><br>ich habe folgendes Problem: mein Dovecot mag nicht mehr von der Welt da draussen mit STARTTLS genutzt zu werden - localhost funktioniert es aber...<br><br>Folgendes Szenario ist installiert: CentOS 7.4, Postfix 2.10.1, Dovecot 2.3.0.1, MySQL 5.7.21 (die Benutzerdaten sind in MySQL gesichert). Als ich noch die ältere Dovecot Version 2.2.x genutzt habe war alles tutti.<br><br>Jetzt ist es so, das ich beim "telnet localhost imap" ganz sauber folgendes bekomme:<br>* OK [CAPABILITY IMAP4rev1 SASL-IR LOGIN-REFERRALS ID ENABLE IDLE LITERAL+ STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot ready.<br><br>Mache ich das ganze von extern, fehlt mir STARTTLS - eifach weg :o( Hat einer von euch eine Idee?<br><br>Danke, Sven<br><br>dovecot -n<br>***** schnipp<br># 2.3.0.1 (ffd8a29): /etc/dovecot/dovecot.conf<br># Pigeonhole version 0.5.0.1 (d33dca2)<br># OS: Linux 3.10.0-042stab127.2 x86_64 CentOS Linux release 7.4.1708 (Core) <br>auth_mechanisms = plain login<br>disable_plaintext_auth = no<br>mail_gid = vmail<br>mail_home = /opt/vmail/mailboxes/%d/%n<br>mail_location = maildir:~/Maildir:LAYOUT=fs<br>mail_privileged_group = vmail<br>mail_uid = vmail<br>managesieve_notify_capability = mailto<br>managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext imapsieve vnd.dovecot.imapsieve<br>namespace inbox {<br> inbox = yes<br> location =<br> mailbox Archive {<br> auto = no<br> special_use = \Archive<br> }<br> mailbox Archives {<br> auto = subscribe<br> special_use = \Archive<br> }<br> mailbox "Deleted Items" {<br> special_use = \Trash<br> }<br> mailbox "Deleted Messages" {<br> special_use = \Trash<br> }<br> mailbox Drafts {<br> auto = subscribe<br> special_use = \Drafts<br> }<br> mailbox Entw&APw-rfe {<br> special_use = \Drafts<br> }<br> mailbox "Gel&APY-schte Elemente" {<br> special_use = \Trash<br> }<br> mailbox Gesendet {<br> special_use = \Sent<br> }<br> mailbox "Gesendete Elemente" {<br> special_use = \Sent<br> }<br> mailbox Junk {<br> auto = subscribe<br> special_use = \Junk<br> }<br> mailbox Sent {<br> auto = subscribe<br> special_use = \Sent<br> }<br> mailbox "Sent Items" {<br> special_use = \Sent<br> }<br> mailbox "Sent Messages" {<br> special_use = \Sent<br> }<br> mailbox Spam {<br> special_use = \Junk<br> }<br> mailbox Trash {<br> auto = subscribe<br> special_use = \Trash<br> }<br> prefix =<br>}<br>passdb {<br> args = /etc/dovecot/dovecot-sql.conf.ext<br> driver = sql<br>}<br>plugin {<br> imapsieve_mailbox1_before = file:/opt/vmail/sieve/global/learn-spam.sieve<br> imapsieve_mailbox1_causes = COPY<br> imapsieve_mailbox1_name = Junk<br> imapsieve_mailbox2_before = file:/opt/vmail/sieve/global/learn-ham.sieve<br> imapsieve_mailbox2_causes = COPY<br> imapsieve_mailbox2_from = Junk<br> imapsieve_mailbox2_name = *<br> quota = maildir:User quota<br> quota_exceeded_message = Benutzer %u hat das Speichervolumen überschritten. / User %u has exhausted allowed storage space.<br> sieve = file:/opt/vmail/sieve/%d/%n/scripts;active=/opt/vmail/sieve/%d/%n/active-script.sieve<br> sieve_before = /opt/vmail/sieve/global/spam-global.sieve<br> sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.environment<br> sieve_pipe_bin_dir = /opt/vmail/sieve/global<br> sieve_plugins = sieve_imapsieve sieve_extprograms<br>}<br>postmaster_address = postmaster@xyz.de<br>protocols = imap lmtp sieve<br>service auth {<br> unix_listener /var/spool/postfix/private/auth {<br> group = postfix<br> mode = 0660<br> user = postfix<br> }<br> unix_listener auth-userdb {<br> group = vmail<br> mode = 0660<br> user = vmail<br> }<br>}<br>service imap-login {<br> inet_listener imap {<br> port = 143<br> }<br> inet_listener imaps {<br> port = 993<br> ssl = yes<br> }<br>}<br>service lmtp {<br> unix_listener /var/spool/postfix/private/dovecot-lmtp {<br> group = postfix<br> mode = 0660<br> user = postfix<br> }<br> user = vmail<br>}<br>service managesieve-login {<br> inet_listener sieve {<br> port = 4190<br> }<br>}<br>ssl_ca = </etc/letsencrypt/live/xyz.de/chain.pem<br>ssl_cert = </etc/letsencrypt/live/xyz.de/fullchain.pem<br>ssl_dh = # hidden, use -P to show it<br>ssl_key = # hidden, use -P to show it<br>userdb {<br> args = /etc/dovecot/dovecot-sql.conf.ext<br> driver = sql<br>}<br>protocol lmtp {<br> mail_plugins = " sieve"<br>}<br>protocol imap {<br> mail_plugins = " quota imap_quota imap_sieve"<br>}<br>***** schnapp<br> </div></body></html>