Security 

SMTP Tweak 

Overview 

The SMTP tweak will prevent users from bypassing the mail server to send mail 

(this is a common practice used by spammers). It will only allow the MTA (mail 

transport agent), mailman, and root to connect to remote SMTP servers.  

Steps 

1

 To access the 

Server Setup Menu

, click on 

Server Setup

, on the main screen of 

your WebHost Manager interface. Then, click on 

Tweak Security.

2

 Click on 

Configure

 in the SMTP Tweak section. 

3

 Click on the check box next to 

Allow connections to localhost on port 25

 to 

allow users to connect to localhost on port 25.  

4

 Click on 

Enable

 to enable the SMTP tweak.  

cPanel

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