Unable to connect SMTP port,There is a easy to check this.
(ptian) ptian- telnet server_host 25
Trying ip...
telnet: Unable to connect to remote host: Connection refused
This means probably, SMTP port 25 is not open.
Solution:
To resolve the issue,you need login with root user.
1.Verify sendmail packages
In order to configure sendmail, you will require the sendmail and sendmail-cf packages.
[root@bej301441 oracle]$ rpm -qa | grep sendmail sendmail-doc-8.13.8-8.1.el5_7 sendmail-8.13.8-8.1.el5_7 sendmail-devel-8.13.8-8.1.el5_7 sendmail-devel-8.13.8-8.1.el5_7 sendmail-cf-8.13.8-8.1.el5_7 [root@bej301441 oracle]$
2.changes to /etc/mail/sendmail.mc
2.2 Comment below line
From: DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA') To: dnl DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA')
3.Start/Restart sendmail
root@bej301441 admin]# /sbin/service sendmail status sendmail (pid 2373) is running... [root@bej301441 admin]# /sbin/service sendmail stop Shutting down sm-client: [ OK ] Shutting down sendmail: [ OK ] [root@bej301441 admin]# [root@bej301441 admin]# /sbin/service sendmail start Starting sendmail: [ OK ] Starting sm-client: [ OK ] [root@bej301441 admin]#
4. Test outbound mail
mutt -s "test email" test@abc.com < /dev/null
Also,test telnet
(ptian) ptian- telnet xxx.com 25 Trying xxxxxxxxIP... Connected to xxx.com (xxxxxxIP). Escape character is '^]'.
References
Workflow Notification Mailer Remains in Starting Status (Doc ID 1400353.1)
Enable outbound Sendmail on Linux (Doc ID 1353507.1)
How to Perform a Meaningful SMTP Telnet Test to Troubleshoot Java Mailer For Sending Email Notifications (Doc ID 753845.1)
http://cybergav.in/2010/09/14/how-to-configure-sendmail-on-linux-to-use-smtp-mail-relays/