Jump to content

Smart Relay Host Port in Sendmail: Difference between revisions

From TetraWiki
← Older editNewer edit →
Sakshi (talk | contribs)
3 edits
No edit summary
No edit summary
Line 1: Line 1:
[[category:CDIL]]
'''Issue:''' Database Server 192.168.1.1 was not able to send the cron mails to local server 192.168.1.10
Diagnosis :
# Was connecting to internet for email.cdil.com , it should connect to local server 192.168.1.10 for sending mails
# database server was using sendmail on port 25 to send the mails , It should relay all the mails via 192.168.1.10 on port 26 ( only port opened on it , 25 was closed )
So
'''''There is an alternative to relay email using a different port at their mail server and their mail server supports SMTP authentication. You may follow the simple Sendmail setup below: –'''''
'''''There is an alternative to relay email using a different port at their mail server and their mail server supports SMTP authentication. You may follow the simple Sendmail setup below: –'''''


Line 13: Line 25:




3. Add the following line below in /etc/mail/access file in one line: –
3. Then, restart your Sendmail service as below: –
 
'''AuthInfo:mail.example.com "U:user@example.com" "I:user@example.com" "P:password" "R:example.com" "M:LOGIN PLAIN"'''
 
 
4. Then, restart your Sendmail service as below: –




Revision as of 09:51, 28 October 2019


Issue: Database Server 192.168.1.1 was not able to send the cron mails to local server 192.168.1.10

Diagnosis :

  1. Was connecting to internet for email.cdil.com , it should connect to local server 192.168.1.10 for sending mails
  2. database server was using sendmail on port 25 to send the mails , It should relay all the mails via 192.168.1.10 on port 26 ( only port opened on it , 25 was closed )

So


There is an alternative to relay email using a different port at their mail server and their mail server supports SMTP authentication. You may follow the simple Sendmail setup below: –


1. Find “DS” in /etc/mail/sendmail.cf and add your mail server name as below: –

DSmail.example.com


2. Find “Mrelay” in /etc/mail/sendmail.cf and add “2525” to “A=TCP $h” as below: –

A=TCP $h 2525


3. Then, restart your Sendmail service as below: –


service sendmail restart


5. Finally, you can monitor your maillog using the command below: –

tail -f /var/log/maillog


Reference [1] http://wingloon.com/2008/04/06/setup-smart-relay-host-port-in-sendmail/

Retrieved from "https://wiki.tetrain.com/index.php?title=Smart_Relay_Host_Port_in_Sendmail&oldid=3040"