Alternative SMTP Port

66carolin · #1 (**permalink**) 05-17-11, 04:22

What is the alternative SMTP port and how to configure an email client to use it?

vps-RecS · #2 (**permalink**) 05-17-11, 04:52

Hello,

The alternative SMTP port can be anything like 26 or 587.
In cpanel server you can do it through WHM >> Main >> Service Configuration >> Service Manager >> exim on another port.

PATRICIAF5 · #3 (**permalink**) 05-17-11, 05:05

How to check whether SMTP port 25 is blocked?

vps-RecS · #4 (**permalink**) 05-17-11, 05:19

Hello,

The easiest way to check the port 25 is to telnet the port.
Following command can be used from CLI(command prompt or Terminal) of local machine.

Quote:

telnet domain-name.com 25

If the above command will conncet the smpt server through port 25 and show the following reslut

Quote:

220-server-xxx.yyy ESMTP Exim 4.63 #1 Tue, 17 May 2011 07:17:30 -0500
220-We do not authorize the use of this system to transport unsolicited,
220 and/or bulk e-mail.

if the connection is refused then server is running on other port.