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-   -   My SMTP is not working (http://www.howtoforge.com/forums/showthread.php?t=43321)

rutame 6th February 2010 22:20

My SMTP is not working
 
Hello to everyone.

I have many problems with my smtp postfix, i trying to send email but is like not working smtp and not listening at any port.

I trying to connect by telnet to port 25 but it stand by waiting all time.

I have a basic installation the ubuntu server (9.04) and ispconfig 3.

It is very weird because the pop3 server is working fine, and imap and webmail too.

I dont understund nothing... this situation drive me crazy all time.

Could anybody help me?

Thank you very much.

This is my netstat

root@virt175:/var/log# netstat -ntpl
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:21 0.0.0.0:* LISTEN 873/pure-ftpd (SERV
tcp 0 0 94.23.87.214:53 0.0.0.0:* LISTEN 762/mydns
tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 762/mydns
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 481/sshd
tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN 10687/master
tcp 0 0 0.0.0.0:443 0.0.0.0:* LISTEN 1704/apache2
tcp 0 0 127.0.0.1:10025 0.0.0.0:* LISTEN 10687/master
tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 563/mysqld
tcp 0 0 127.0.0.1:783 0.0.0.0:* LISTEN 695/spamd.pid
tcp 0 0 0.0.0.0:8080 0.0.0.0:* LISTEN 1704/apache2
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 1704/apache2
tcp6 0 0 :::21 :::* LISTEN 873/pure-ftpd (SERV
tcp6 0 0 ::1:53 :::* LISTEN 762/mydns
tcp6 0 0 :::22 :::* LISTEN 481/sshd
tcp6 0 0 :::993 :::* LISTEN 728/couriertcpd
tcp6 0 0 :::995 :::* LISTEN 750/couriertcpd
tcp6 0 0 :::110 :::* LISTEN 736/couriertcpd
tcp6 0 0 :::143 :::* LISTEN 714/couriertcpd

My main.cf
# Debian specific: Specifying a file name will cause the first
# line of that file to be used as the name. The Debian default
# is /etc/mailname.
#myorigin = /etc/mailname

smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h

readme_directory = /usr/share/doc/postfix

# TLS parameters
smtpd_tls_cert_file = /etc/postfix/smtpd.cert
smtpd_tls_key_file = /etc/postfix/smtpd.key
smtpd_use_tls = yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.

myhostname = ispconfig.unelink.net
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = ispconfig.unelink.net, localhost, localhost.localdomain
relayhost =
mynetworks = 127.0.0.0/8
mailbox_command = procmail -a "$EXTENSION"
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
html_directory = /usr/share/doc/postfix/html
virtual_alias_domains =
virtual_alias_maps = proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf, mysql:/etc/postfix/mysql-virtual_email2email.cf
virtual_mailbox_domains = proxy:mysql:/etc/postfix/mysql-virtual_domains.cf
virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql-virtual_mailboxes.cf
virtual_mailbox_base = /var/vmail
virtual_uid_maps = static:5000
virtual_gid_maps = static:5000
smtpd_sasl_auth_enable = yes
broken_sasl_auth_clients = yes
smtpd_sasl_authenticated_header = yes
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, check_recipient_access mysql:/etc/postfix/mysql-virtual_recipient.cf, reject_unauth_destination
smtpd_tls_security_level = may
transport_maps = proxy:mysql:/etc/postfix/mysql-virtual_transports.cf
relay_domains = mysql:/etc/postfix/mysql-virtual_relaydomains.cf
virtual_create_maildirsize = yes
virtual_maildir_extended = yes
virtual_mailbox_limit_maps = proxy:mysql:/etc/postfix/mysql-virtual_mailbox_limit_maps.cf
virtual_mailbox_limit_override = yes
virtual_maildir_limit_message = "The user you are trying to reach is over quota."
virtual_overquota_bounce = yes
proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $virtual_mailbox_limit_maps
smtpd_sender_restrictions = check_sender_access mysql:/etc/postfix/mysql-virtual_sender.cf
smtpd_client_restrictions = check_client_access mysql:/etc/postfix/mysql-virtual_client.cf
maildrop_destination_concurrency_limit = 1
maildrop_destination_recipient_limit = 1
virtual_transport = maildrop
header_checks = regexp:/etc/postfix/header_checks
mime_header_checks = regexp:/etc/postfix/mime_header_checks
nested_header_checks = regexp:/etc/postfix/nested_header_checks
body_checks = regexp:/etc/postfix/body_checks
#content_filter = amavis:[127.0.0.1]:10024
receive_override_options = no_address_mappings
message_size_limit = 0

falko 7th February 2010 13:48

Any errors in your mail log?

rutame 7th February 2010 20:56

Quote:

Originally Posted by falko (Post 218755)
Any errors in your mail log?

hello Falko,

Not, no errors in mail.log. There is not nothing is like not exist the service ??

This is all in the mail.log about smtp

Feb 7 19:50:01 virt175 postfix/smtpd[22914]: connect from localhost.localdomain[127.0.0.1]
Feb 7 19:50:01 virt175 postfix/smtpd[22914]: lost connection after CONNECT from localhost.localdomain[127.0.0.1]
Feb 7 19:50:01 virt175 postfix/smtpd[22914]: disconnect from localhost.localdomain[127.0.0.1]

khawaja 8th February 2010 08:17

Hi falko...

I am having a bit same error. i am able to

telnet localhost 25

but i am unable to telnet 172.26.24.6 25 (172.26.24.6 is my Server IP)


and got such logs "did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA"



Quote:

Originally Posted by falko (Post 218755)
Any errors in your mail log?

Feb 8 11:15:02 isp1 imapd: Disconnected, ip=[::ffff:127.0.0.1], time=0
Feb 8 11:15:02 isp1 pop3d: Connection, ip=[::ffff:127.0.0.1]
Feb 8 11:15:02 isp1 pop3d: Disconnected, ip=[::ffff:127.0.0.1]
Feb 8 11:20:01 isp1 pop3d: Connection, ip=[::ffff:127.0.0.1]
Feb 8 11:20:01 isp1 pop3d: Disconnected, ip=[::ffff:127.0.0.1]
Feb 8 11:20:01 isp1 imapd: Connection, ip=[::ffff:127.0.0.1]
Feb 8 11:20:01 isp1 imapd: Disconnected, ip=[::ffff:127.0.0.1], time=0
Feb 8 11:20:01 isp1 sendmail[787]: o186K11h000787: localhost.localdomain [127.0.0.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
Feb 8 11:25:01 isp1 sendmail[994]: o186P1wn000994: localhost.localdomain [127.0.0.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
Feb 8 11:25:01 isp1 pop3d: Connection, ip=[::ffff:127.0.0.1]
Feb 8 11:25:01 isp1 pop3d: Disconnected, ip=[::ffff:127.0.0.1]
Feb 8 11:25:01 isp1 imapd: Connection, ip=[::ffff:127.0.0.1]
Feb 8 11:25:01 isp1 imapd: Disconnected, ip=[::ffff:127.0.0.1], time=0
Feb 8 11:30:01 isp1 sendmail[1202]: o186U1Nj001202: localhost.localdomain [127.0.0.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
Feb 8 11:30:01 isp1 pop3d: Connection, ip=[::ffff:127.0.0.1]
Feb 8 11:30:01 isp1 pop3d: Disconnected, ip=[::ffff:127.0.0.1]
Feb 8 11:30:01 isp1 imapd: Connection, ip=[::ffff:127.0.0.1]
Feb 8 11:30:01 isp1 imapd: Disconnected, ip=[::ffff:127.0.0.1], time=0
Feb 8 11:35:01 isp1 imapd: Connection, ip=[::ffff:127.0.0.1]
Feb 8 11:35:01 isp1 imapd: Disconnected, ip=[::ffff:127.0.0.1], time=0
Feb 8 11:35:01 isp1 pop3d: Connection, ip=[::ffff:127.0.0.1]
Feb 8 11:35:01 isp1 pop3d: Disconnected, ip=[::ffff:127.0.0.1]
Feb 8 11:35:01 isp1 sendmail[1409]: o186Z1lq001409: localhost.localdomain [127.0.0.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
Feb 8 11:40:01 isp1 sendmail[1616]: o186e16X001616: localhost.localdomain [127.0.0.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
Feb 8 11:40:01 isp1 imapd: Connection, ip=[::ffff:127.0.0.1]
Feb 8 11:40:01 isp1 imapd: Disconnected, ip=[::ffff:127.0.0.1], time=0
Feb 8 11:40:01 isp1 pop3d: Connection, ip=[::ffff:127.0.0.1]
Feb 8 11:40:01 isp1 pop3d: Disconnected, ip=[::ffff:127.0.0.1]
Feb 8 11:45:01 isp1 imapd: Connection, ip=[::ffff:127.0.0.1]
Feb 8 11:45:01 isp1 imapd: Disconnected, ip=[::ffff:127.0.0.1], time=0
Feb 8 11:45:01 isp1 pop3d: Connection, ip=[::ffff:127.0.0.1]
Feb 8 11:45:01 isp1 pop3d: Disconnected, ip=[::ffff:127.0.0.1]

till 8th February 2010 10:28

Please post the output of:

netstat -tap

khawaja 8th February 2010 10:34

[root@isp1 ~]# 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.localdomain:2208 *:* LISTEN 2928/hpiod
tcp 0 0 *:vce *:* LISTEN 4179/ricci
tcp 0 0 localhost.localdomain:smux *:* LISTEN 2944/snmpd
tcp 0 0 *:5801 *:* LISTEN 31660/Xvnc
tcp 0 0 *:mysql *:* LISTEN 3086/mysqld
tcp 0 0 *:5803 *:* LISTEN 31821/Xvnc
tcp 0 0 *:5901 *:* LISTEN 31660/Xvnc
tcp 0 0 localhost.localdomain:5902 *:* LISTEN 3302/Xvnc
tcp 0 0 localhost.local:dyna-access *:* LISTEN 3002/clamd
tcp 0 0 *:5903 *:* LISTEN 31821/Xvnc
tcp 0 0 *:sunrpc *:* LISTEN 2649/portmap
tcp 0 0 *:ndmp *:* LISTEN 4212/perl
tcp 0 0 *:752 *:* LISTEN 2690/rpc.statd
tcp 0 0 *:6001 *:* LISTEN 31660/Xvnc
tcp 0 0 *:6003 *:* LISTEN 31821/Xvnc
tcp 0 0 *:16851 *:* LISTEN 4104/modclusterd
tcp 0 0 192.168.122.1:domain *:* LISTEN 3557/dnsmasq
tcp 0 0 *:ftp *:* LISTEN 3201/pure-ftpd (SER
tcp 0 0 isp1.wateen.com:domain *:* LISTEN 3111/mydns
tcp 0 0 localhost.localdomai:domain *:* LISTEN 3111/mydns
tcp 0 0 localhost.localdomain:ipp *:* LISTEN 2966/cupsd
tcp 0 0 localhost.localdomain:smtp *:* LISTEN 31650/sendmail: acc
tcp 0 0 localhost.localdomain:2207 *:* LISTEN 2933/python
tcp 0 0 *:imaps *:* LISTEN 3132/couriertcpd
tcp 0 0 *:pop3s *:* LISTEN 3144/couriertcpd
tcp 0 0 *:pop3 *:* LISTEN 3138/couriertcpd
tcp 0 0 *:imap *:* LISTEN 3125/couriertcpd
tcp 0 0 *:webcache *:* LISTEN 3190/httpd
tcp 0 0 *:http *:* LISTEN 3190/httpd
tcp 0 0 *:6001 *:* LISTEN 31660/Xvnc
tcp 0 0 *:6003 *:* LISTEN 31821/Xvnc
tcp 0 0 *:sd *:* LISTEN 2989/acronisagent
tcp 0 0 *:ftp *:* LISTEN 3201/pure-ftpd (SER
tcp 0 0 localhost6.localdoma:domain *:* LISTEN 3111/mydns
tcp 0 0 *:ssh *:* LISTEN 2957/sshd
tcp 0 0 *:https *:* LISTEN 3190/httpd
tcp 0 0 isp1.testserver1.com:ssh ::ffff:172.29.3.161:a15 ESTABLISHED 4554/2
tcp 0 0 isp1.testserver1:ssh ::ffff:172.29.3.161:lv-auth ESTABLISHED 28780/1


i tried "service iptables stop" also, but again there was a same message

C:\>telnet 172.26.24.6 25
Connecting To 172.26.24.6...Could not open connection to the host, on port 25: Connect failed

on the same side port 110 is working fine.


Please help....

falko 8th February 2010 14:13

Quote:

Originally Posted by rutame (Post 218784)
hello Falko,

Not, no errors in mail.log. There is not nothing is like not exist the service ??

This is all in the mail.log about smtp

Feb 7 19:50:01 virt175 postfix/smtpd[22914]: connect from localhost.localdomain[127.0.0.1]
Feb 7 19:50:01 virt175 postfix/smtpd[22914]: lost connection after CONNECT from localhost.localdomain[127.0.0.1]
Feb 7 19:50:01 virt175 postfix/smtpd[22914]: disconnect from localhost.localdomain[127.0.0.1]

Can you post the output of
Code:

netstat -tap
?

rutame 8th February 2010 16:06

i cant send email
 
Hello to everybody.

Here my netstat -tap

root@virt175:~# netstat -tap
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 *:ftp *:* LISTEN 873/pure-ftpd (SERV
tcp 0 0 virt175.unelink.:domain *:* LISTEN 762/mydns
tcp 0 0 localhost.locald:domain *:* LISTEN 762/mydns
tcp 0 0 *:ssh *:* LISTEN 481/sshd
tcp 0 0 *:smtp *:* LISTEN 11878/master
tcp 0 0 *:https *:* LISTEN 1704/apache2
tcp 0 0 localhost.localdo:10025 *:* LISTEN 11878/master
tcp 0 0 *:mysql *:* LISTEN 563/mysqld
tcp 0 0 localhost.localdo:spamd *:* LISTEN 695/spamd.pid
tcp 0 0 *:http-alt *:* LISTEN 1704/apache2
tcp 0 0 *:www *:* LISTEN 1704/apache2
tcp 0 248 virt175.unelink.net:ssh 175.Red-88-8-232.:14524 ESTABLISHED 7795/0
tcp6 0 0 [::]:ftp [::]:* LISTEN 873/pure-ftpd (SERV
tcp6 0 0 ::1%134631480:domain [::]:* LISTEN 762/mydns
tcp6 0 0 [::]:ssh [::]:* LISTEN 481/sshd
tcp6 0 0 [::]:imaps [::]:* LISTEN 728/couriertcpd
tcp6 0 0 [::]:pop3s [::]:* LISTEN 750/couriertcpd
tcp6 0 0 [::]:pop3 [::]:* LISTEN 736/couriertcpd
tcp6 0 0 [::]:imap2 [::]:* LISTEN 714/couriertcpd

astewart 8th February 2010 17:52

In my case, I have no problems telnetting into localhost 25, but cannot externally.

If you have a router connected make sure you have port 25 forwarded to your Servers internal IP.

If you already have that setup or don;t have a router, then your ISP is blocking port 25, as they are in my case :(

I have to use the 'relayhost' option in the ISP Server config. Just put your ISP's outgoing mail server there.

rutame 8th February 2010 21:05

Quote:

Originally Posted by astewart (Post 218863)
In my case, I have no problems telnetting into localhost 25, but cannot externally.

If you have a router connected make sure you have port 25 forwarded to your Servers internal IP.

If you already have that setup or don;t have a router, then your ISP is blocking port 25, as they are in my case :(

I have to use the 'relayhost' option in the ISP Server config. Just put your ISP's outgoing mail server there.

Ok, my domain it is in virtualserver but they say me that all ports it is not blocked.

When i had my server with router adsl all worked fine, but Telefonica in Spain wants more money for statics IP (16 per month) and this is same a robbish (atrack without pistol xDDD).

I dont understund nothing :(

Thank you... may be Till or Falko could help us because they are very experts.


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