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-   -   Postfix: connection to mail server REFUSED (http://www.howtoforge.com/forums/showthread.php?t=4453)

sramdane 22nd May 2006 15:38

Postfix: connection to mail server REFUSED
 
Hi all,

Please, can you help me? I am having problem to receive mail and I am not that much knowledgeable with postfix mail server. Following are output of the problem and different informations:

cansado postfix/postfix-script starting the Postfix mail system
cansado postfix/master[12691] daemon started -- version 2.2.5, configuration /etc/postfix
cansado postfix/qmgr[12693] 74A6420047: from=<root@elmouritania.com>, size=687681, nrcpt=1 (queue active)
cansado postfix/smtp[12731] connect to mail.elmouritania.com[82.127.33.113]: Connection refused (port 25)
cansado postfix/smtp[12731] 74A6420047: to=<root@elmouritania.com>, orig_to=<root>, relay=none, delay=33904, status=deferred (connect to mail.elmouritania.com[82.127.33.113]: Connection refused)

cansado:~ # postconf -d | grep mail_version
mail_version = 2.2.5

cansado:~ # netstat -tap

Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 localhost:cadlock *:* LISTEN 5258/fam
tcp 0 0 localhost:10024 *:* LISTEN 12618/amavisd (mast
tcp 0 0 *:5801 *:* LISTEN 5338/xinetd
tcp 0 0 *:mysql *:* LISTEN 4938/mysqld
tcp 0 0 *:5901 *:* LISTEN 5338/xinetd
tcp 0 0 *:sunrpc *:* LISTEN 4630/portmap
tcp 0 0 *:hosts2-ns *:* LISTEN 7407/ispconfig_http
tcp 0 0 *:ftp *:* LISTEN 7754/proftpd: (acce
tcp 0 0 cansado.elmourit:domain *:* LISTEN 7737/named
tcp 0 0 localhost:domain *:* LISTEN 7737/named
tcp 0 0 *:ipp *:* LISTEN 5038/cupsd
tcp 0 0 *:smtp *:* LISTEN 13091/master
tcp 0 0 localhost:953 *:* LISTEN 7737/named
tcp 0 0 *:pop3 *:* LISTEN 4836/couriertcpd
tcp 0 0 *:imap *:* LISTEN 4829/couriertcpd
tcp 0 0 *:www-http *:* LISTEN 7585/httpd2-prefork
tcp 0 0 *:domain *:* LISTEN 7737/named
tcp 0 0 *:ssh *:* LISTEN 5019/sshd
tcp 0 0 *:smtp *:* LISTEN 13091/master
tcp 0 0 localhost:953 *:* LISTEN 7737/named
tcp 0 0 *:https *:* LISTEN 7585/httpd2-prefork
cansado:~ #

cansado:~ # postconf -n

alias_maps = hash:/etc/aliases
biff = no
broken_sasl_auth_clients = yes
canonical_maps = hash:/etc/postfix/canonical
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/lib/postfix
debug_peer_level = 2
defer_transports =
disable_dns_lookups = no
disable_mime_output_conversion = no
html_directory = /usr/share/doc/packages/postfix/html
inet_interfaces = all
inet_protocols = all
mail_owner = postfix
mail_spool_directory = /var/mail
mailbox_command =
mailbox_size_limit = 0
mailbox_transport =
mailq_path = /usr/bin/mailq
manpage_directory = /usr/share/man
masquerade_classes = envelope_sender, header_sender, header_recipient
masquerade_domains =
masquerade_exceptions = root
message_size_limit = 10240000
mydestination = /etc/postfix/local-host-names
mydomain = elmouritania.com
myhostname = cansado.$mydomain
mynetworks = 192.168.50.0/24, 127.0.0.0/8
myorigin = $mydomain
newaliases_path = /usr/bin/newaliases
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/packages/postfix/README_FILES
relay_domains =
relayhost =
relocated_maps = hash:/etc/postfix/relocated
sample_directory = /usr/share/doc/packages/postfix/samples
sender_canonical_maps = hash:/etc/postfix/sender_canonical
sendmail_path = /usr/sbin/sendmail
setgid_group = maildrop
smtp_sasl_auth_enable = no
smtp_tls_note_starttls_offer = yes
smtp_use_tls = yes
smtpd_client_restrictions =
smtpd_helo_required = no
smtpd_helo_restrictions =
smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,check_ relay_domains
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain =
smtpd_sasl_security_options = noanonymous
smtpd_sender_restrictions = hash:/etc/postfix/access
smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem
smtpd_tls_auth_only = no
smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt
smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_tls_session_cache_timeout = 3600s
smtpd_use_tls = yes
strict_8bitmime = no
strict_rfc821_envelopes = no
tls_random_source = dev:/dev/urandom
transport_maps = hash:/etc/postfix/transport
unknown_local_recipient_reject_code = 550


cansado:~ # cat /etc/postfix/master.cf | grep -v '#'

smtp inet n - n - - smtpd
pickup fifo n - n 60 1 pickup
cleanup unix n - n - 0 cleanup
qmgr fifo n - n 300 1 qmgr
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
smtp unix - - n - - smtp
relay unix - - n - - smtp
-o fallback_relay=
showq unix n - n - - showq
error 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
maildrop unix - n n - - pipe
flags=DRhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient}
cyrus unix - n n - - pipe
user=cyrus argv=/usr/lib/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user}
uucp unix - n n - - pipe
flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
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=foo argv=/usr/local/sbin/bsmtp -f $sender $nexthop $recipient
procmail unix - n n - - pipe
flags=R user=nobody argv=/usr/bin/procmail -t -m /etc/procmailrc ${sender} ${recipient}

Thanks in advance for your help.

Kind regards

sramdane 22nd May 2006 22:30

Re install without ISPconfig
 
Since no one wanted to react for my problem and since I was in rush I have re-installed my server but now without the ISPconfig, which was something very new for me.

Thanks anyway for those who have looked at my message:-)

Kind regards

falko 23rd May 2006 00:03

Quote:

Originally Posted by sramdane
cansado postfix/smtp[12731] connect to mail.elmouritania.com[82.127.33.113]: Connection refused (port 25)
cansado postfix/smtp[12731] 74A6420047: to=<root@elmouritania.com>, orig_to=<root>, relay=none, delay=33904, status=deferred (connect to mail.elmouritania.com[82.127.33.113]: Connection refused)

Might have been a firewall problem.

sramdane 23rd May 2006 15:31

Thanks
 
I agree! however, related to ISPconfig where it was activated. I will let you know when I re enable my server tonight or tomorrow.

Anyway it was Suse 10.0 and I followed exact. the perfect setup doc you have on howto forge, which worked seemeless but left the postfix refusing mail.

Thanks!

Kind regards

falko 23rd May 2006 19:58

But did you enable the ISPConfig firewall before the problem occurred?
Might also be a problem with wrong DNS records.

sramdane 24th May 2006 00:03

It was because of amavis
 
I activated firewall after installation of ISPConfig. For this I repead I have followed the perfect setup for Suse 10.0.

However I have found the reason of this:

cansado postfix/postfix-script starting the Postfix mail system
cansado postfix/master[12691] daemon started -- version 2.2.5, configuration /etc/postfix
cansado postfix/qmgr[12693] 74A6420047: from=<root@elmouritania.com>, size=687681, nrcpt=1 (queue active)
cansado postfix/smtp[12731] connect to mail.elmouritania.com[82.127.33.113]: Connection refused (port 25)
cansado postfix/smtp[12731] 74A6420047: to=<root@elmouritania.com>, orig_to=<root>, relay=none, delay=33904, status=deferred (connect to mail.elmouritania.com[82.127.33.113]: Connection refused)

This simply was because of amavis, which was not started for a strange reason in Suse 10.0 and 10.1. It complained of not FQN. So I had to refer $myhostname in /etc/amavisd.conf.

So this was nothing to do with ISPConfig - I repeat which is new for me.

So, I guess, Falko, you win some euros here - look for future comm when I will get some time to clean the 10.1 I have installed.

Thanks again

Kind regards


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