Hello!

When a postfix server replies to the HELO/EHLO command, the response starts with this line:

250-mail.dialtelecom.cz

However, when Exim or other server replies, the first line contains additional information:

250-mx01.dialtelecom.cz Hello office.dialtelecom.cz [212.24.132.66], pleased to meet you

I would like to know if there is a way to customize this reply in Postfix, specifically, if there is a way to include the information about the sender IP and reverse DNS name as in the second reply via modifying Postfix configuration, and if it is possible, then I would like to know which configuration directives should be used.

I thank anyone in advance for any useful information, and I apologize in advance if my question does not adhere to a required standard, or if the question seems trivial. I did look through the Postfix documentation, and I also looked through all the postconf configuration directives in the active configuration of my server, but I did not find anything relevant.

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S pozdravem,
Daniel Ryšlink
System Administrator

Dial Telecom a. s.
Křižíkova 36a/237
186 00 Praha 3, Česká Republika
Tel.:+420.226204627
daniel.rysl...@dialtelecom.cz
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