Mailing List CGatePro@mail.stalker.com Message #106479
From: Marcel Hochuli <mhochuli@a-f.ch>
Subject: Re: mail.domain.dom versus domain.dom greeting
Date: Mon, 26 Jun 2017 15:17:16 +0000
To: CommuniGate Pro Discussions <CGatePro@mail.stalker.com>
I found it on

Users -> Domain Defaults -> HELO Prefix



Marcel

_______________________________________



> Am 26.06.2017 um 17:03 schrieb Marcel Hochuli <mhochuli@a-f.ch>:
>
> Hi
>
> I thought I once read about an option to switch from domain.dom greeting to mail.domain.dom greeting starting from Version x.y of CommuniGate Pro.
>
> Actually a customer cannot receive E-Mail from hotmail.com as it doesn't accept the domain.dom greeting while the PTR record is mail.domain.dom.
>
> Hotmail says:
> Mail server hostname does not match with EHLO/HELO greeting. The SMTP greeting include 3-digit code, followed by a space or a dash, and the mail server host name. If your email header hostname does not match with EHLO or HELO, your email may be blocked by anti-spam software. This is a technical violation of RFC 821 Section 4.3 and RFC 2821 Section 4.3.1. The hostname given in the SMTP greeting must have an A record pointing back to the mail server.
>
> Where can I switch this setting?
>
>
> Regards,
> Marcel
>
> +---
> mailto:mhochuli@a-f.ch
> otherto:noway@a-f.ch
> _______________________________________
>
>
>

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