Postfix problems

Hello,

I have a fresh new CentOS 7.1 with Virtualmin installed and configured.
I am trying to configure Postfix but I have problems with gmail and some others server.

I have these errors :

  • connect to io-118.arrakis.es[212.59.201.118]:25: Connection timed out
  • connect to club-internet.com[69.172.201.208]:25: Connection timed out
  • host mx1.free.fr[212.27.48.6] said: 451 too many errors from your ip
  • connect to unibeton.com[208.91.197.128]:25: Connection timed out
  • lost connection with web.dennyspage.com[46.17.100.214] while receiving the initial server greeting
  • ...
  • For gMail, I have the error : mail transport unavailable

Here is a postconf -n report :

[root@serveur ~]# postconf -n postconf: warning: /etc/postfix/master.cf: undefined parameter: mua_sender_restrictions postconf: warning: /etc/postfix/master.cf: undefined parameter: mua_client_restrictions postconf: warning: /etc/postfix/master.cf: undefined parameter: mua_helo_restrictions alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases allow_percent_hack = no broken_sasl_auth_clients = yes command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5 default_destination_concurrency_limit = 10 home_mailbox = Maildir/ html_directory = no inet_protocols = all mailbox_command = /usr/bin/procmail-wrapper -o -a $DOMAIN -d $LOGNAME mailbox_size_limit = 0 mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = $myhostname, localhost.$mydomain, localhost, serveur.mondomaine.fr mydomain = mondomaine.fr myhostname = serveur.mondomaine.fr newaliases_path = /usr/bin/newaliases.postfix readme_directory = /usr/share/doc/postfix-2.10.1/README_FILES sample_directory = /usr/share/doc/postfix-2.10.1/samples sender_bcc_maps = hash:/etc/postfix/bcc sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop slow_destination_concurrency_limit = 2 slow_destination_rate_delay = 1s slow_destination_recipient_limit = 2 slow_initial_destination_concurrency = 1 smtpd_recipient_restrictions = permit_mynetworks permit_sasl_authenticated reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_tls_cert_file = /etc/postfix/postfix.cert.pem smtpd_tls_key_file = /etc/postfix/postfix.key.pem smtpd_tls_mandatory_ciphers = high smtpd_tls_mandatory_protocols = SSLv3, TLSv1 smtpd_use_tls = yes transport_maps = hash:/etc/postfix/transport, regexp:/etc/postfix/transport_regexp unknown_local_recipient_reject_code = 550 virtual_alias_maps = hash:/etc/postfix/virtual

This is my master.cf :

[code]smtp inet n - n - - smtpd -o smtpd_sasl_auth_enable=yes
#smtp inet n - n - 1 postscreen
#smtpd pass - - n - - smtpd
#dnsblog unix - - n - 0 dnsblog
#tlsproxy unix - - n - 0 tlsproxy
#submission inet n - n - - smtpd

-o syslog_name=postfix/submission

-o smtpd_tls_security_level=

-o smtpd_sasl_auth_enable=yes

-o smtpd_reject_unlisted_recipient=no

-o smtpd_client_restrictions=$mua_client_restrictions

-o smtpd_helo_restrictions=$mua_helo_restrictions

-o smtpd_sender_restrictions=$mua_sender_restrictions

-o smtpd_recipient_restrictions=permit_sasl_authenticated,reject

-o milter_macro_daemon_name=ORIGINATING

smtps inet n - n - - smtpd -o syslog_name=postfix/smtps -o smtpd_tls_wrappermode=yes -o smtpd_sasl_auth_enable=yes -o smtpd_reject_unlisted_recipient=no -o smtpd_client_restrictions=$mua_client_restrictions -o smtpd_helo_restrictions=$mua_helo_restrictions -o smtpd_sender_restrictions=$mua_sender_restrictions -o smtpd_recipient_restrictions=permit_sasl_authenticated,reject -o milter_macro_daemon_name=ORIGINATING
#628 inet n - n - - qmqpd
pickup unix n - n 60 1 pickup
cleanup unix n - n - 0 cleanup
qmgr unix n - n 300 1 qmgr
#qmgr unix n - n 300 1 oqmgr
tlsmgr unix - - n 1000? 1 tlsmgr
rewrite unix - - n - - trivial-rewrite
bounce unix - - n - 0 bounce
defer unix - - n - 0 bounce
trace unix - - n - 0 bounce
verify unix - - n - 1 verify
flush unix n - n 1000? 0 flush
proxymap unix - - n - - proxymap
proxywrite unix - - n - 1 proxymap
smtp unix - - n - - smtp
relay unix - - n - - smtp

-o smtp_helo_timeout=5 -o smtp_connect_timeout=5

showq unix n - n - - showq
error unix - - n - - error
retry unix - - n - - error
discard unix - - n - - discard
local unix - n n - - local
virtual unix - n n - - virtual
lmtp unix - - n - - lmtp
anvil unix - - n - 1 anvil
scache unix - - n - 1 scache

====================================================================

Interfaces to non-Postfix software. Be sure to examine the manual

pages of the non-Postfix software to find out what options it wants.

Many of the following services use the Postfix pipe(8) delivery

agent. See the pipe(8) man page for information about ${recipient}

and other message envelope options.

====================================================================

maildrop. See the Postfix MAILDROP_README file for details.

Also specify in main.cf: maildrop_destination_recipient_limit=1

#maildrop unix - n n - - pipe

flags=DRhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient}

====================================================================

Recent Cyrus versions can use the existing “lmtp” master.cf entry.

Specify in cyrus.conf:

lmtp cmd=“lmtpd -a” listen=“localhost:lmtp” proto=tcp4

Specify in main.cf one or more of the following:

mailbox_transport = lmtp:inet:localhost

virtual_transport = lmtp:inet:localhost

====================================================================

Cyrus 2.1.5 (Amos Gouaux)

Also specify in main.cf: cyrus_destination_recipient_limit=1

#cyrus unix - n n - - pipe

user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -r ${sender} -m ${extension} ${user}

====================================================================

Old example of delivery via Cyrus.

#old-cyrus unix - n n - - pipe

flags=R user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -m ${extension} ${user}

====================================================================

See the Postfix UUCP_README file for configuration details.

#uucp unix - n n - - pipe

flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)

====================================================================

Other external delivery methods.

#ifmail unix - n n - - pipe

flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)

#bsmtp unix - n n - - pipe

flags=Fq. user=bsmtp argv=/usr/local/sbin/bsmtp -f $sender $nexthop $recipient

#scalemail-backend unix - n n - 2 pipe

flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store

${nexthop} ${user} ${extension}

#mailman unix - n n - - pipe

flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py

${nexthop} ${user}

submission inet n - n - - smtpd -o smtpd_sasl_auth_enable=yes

Slow - config

slow unix - - n - 5 smtp
-o syslog_name=postfix-slow
-o smtp_destination_concurrency_limit=3
-o slow_destination_rate_delay=1
[/code]

And finally my transport :

wanadoo.com slow: wanadoo.fr slow: orange.com slow: orange.fr slow: #yahoo.fr slow: free.fr slow: aliceadsl.fr slow: alicepro.fr slow: aliceteam.fr slow: libertysurf.fr slow: libertysurf.net slow: worldonline.fr slow: freesbee.fr slow: infonie.fr slow: monsieurcinema.com slow: teamtiscali.com slow: nomade.fr slow: chez.com slow: nordnet.fr slow: hotmail.com slow: yopmail.com slow: laposte.net slow: alice.fr slow: ymail.com slow: rocketmail.com slow: gmail.com slow: yahoo.fr slow:

I am very annoyed, so any help will be appreciated :roll:
Thank you

Check if you have open port 25 and if you can connect from outside.

Re,

I finnaly solved my problem with GMail (I hope so…). In the logs I read this error :
postfix/trivial-rewrite[952]: warning: database /etc/postfix/transport.db is older than source file /etc/postfix/transport

So I force postfix to reload the transport configuration by executing :
postmap /etc/postfix/transport
service postfix restart

I have checked my open ports and everything seems ok :
[root@serveur ~]# netstat -lnt
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 0.0.0.0:20000 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:993 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:995 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:587 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:110 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:783 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:143 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:10000 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:465 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:11000 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN
tcp6 0 0 :::993 :::* LISTEN
tcp6 0 0 :::995 :::* LISTEN
tcp6 0 0 :::587 :::* LISTEN
tcp6 0 0 :::110 :::* LISTEN
tcp6 0 0 ::1:783 :::* LISTEN
tcp6 0 0 :::143 :::* LISTEN
tcp6 0 0 :::80 :::* LISTEN
tcp6 0 0 :::465 :::* LISTEN
tcp6 0 0 :::21 :::* LISTEN
tcp6 0 0 :::22 :::* LISTEN
tcp6 0 0 :::25 :::* LISTEN
tcp6 0 0 :::443 :::* LISTEN

Now I have a lot of SASL error like these one :
May 22 10:16:17 serveur postfix/smtpd[5532]: warning: unknown[194.63.142.101]: SASL LOGIN authentication failed: authentication failure
May 22 10:16:19 serveur postfix/smtpd[5532]: warning: unknown[194.63.142.101]: SASL LOGIN authentication failed: authentication failure
May 22 10:16:21 serveur postfix/smtpd[5532]: warning: unknown[194.63.142.101]: SASL LOGIN authentication failed: authentication failure
May 22 10:16:22 serveur postfix/smtpd[5535]: warning: ec2-54-208-194-166.compute-1.amazonaws.com[54.208.194.166]: SASL LOGIN authentication failed: authentication failure
May 22 10:16:25 serveur postfix/smtpd[5532]: warning: ec2-54-208-194-166.compute-1.amazonaws.com[54.208.194.166]: SASL LOGIN authentication failed: authentication failure
May 22 10:18:14 serveur postfix/smtpd[5861]: warning: hostname serveur.kappadev.fr does not resolve to address 87.98.142.111
May 22 10:18:16 serveur postfix/smtpd[5861]: warning: unknown[87.98.142.111]: SASL LOGIN authentication failed: authentication failure
May 22 10:18:19 serveur postfix/smtpd[5861]: warning: unknown[87.98.142.111]: SASL LOGIN authentication failed: authentication failure
May 22 10:18:21 serveur postfix/smtpd[5861]: warning: unknown[87.98.142.111]: SASL LOGIN authentication failed: authentication failure

I change my server and 87.98.142.111 was the old IP address… the new server resolve to a new IP address. So why is there an error with this IP ?
I check my DNS and my reverse… everything is configured with the new address.
Any Idea ??

Thank you.

Howdy,

Well, ignoring that error for a moment – is everything else working properly? And are you able to log into your email client and send an email through your server?

If everything else is working, those errors may be just bots trying to guess at email accounts, and failing.

-Eric