El lun, 26-01-2026 a las 08:49 -0800, Randy Bush via Postfix-users
escribió:
> so i was still getting crud.  the smtp server does indeed respond with a
> 550
> 
>     mail1.rg.net:/home/randy> telnet foo.com 25
>     Trying 2001:418:88::17...
>     Connected to foo.com.
>     Escape character is '^]'.
>     220 foo.com ESMTP Exim 4.98.2 Mon, 26 Jan 2026 16:13:09 +0000

If this is the machine you are trying to fix, unless you have changed the
HELO response, this is NOT Postfix, but Exim.


-- 
Victoriano Giralt           Retired sysadmin
==================================================================
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A: Yes.
> Q: Are you sure ?
>> A: Because it reverses the logical flow of conversation.
>>> Q: Why is top posting annoying in email ?


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