How to change HELO in Postfix ?

Virtualmin
1

How to change HELO in Postfix ?

2

Howdy,

Postfix uses the hostname for that, so you can either change your server’s hostname, or set the hostname parameter in Postfix.

-Eric

3

This is the real example, please check on both cases the rDNS

Your IP address 5.134.115.231 is associated with the domain first.smtp-sender.com. Nevertheless your message appears to be sent from ns1.smtp-sender.com.

You may want to change the host name of your server to first.smtp-sender.com.

Here are the tested values for this check:

IP: 5.134.115.231
HELO: ns1.smtp-sender.com

rDNS: first.smtp-sender.com

Here are the tested values for this check:

IP: 5.134.115.225
HELO: ns1.smtp-sender.com

rDNS: ns1.smtp-sender.com

4

Howdy,

Hmm, I’m not sure I understand your question… what is your server’s hostname currently set to?

-Eric

5

my hostname is ns1.smtpsender.com