Autor: Renaud Allard Data: A: John W. Baxter CC: exim-users Assumpte: Re: [exim] SIZE callout
John W. Baxter wrote:
>
> Long term, one files a change request (with or without suggested patch), and
> then we hope that somewhere in the available documentation is the reason
> Philip elected to use HELO, so that the coding isn't done only to find the
> reason the hard way.
I guess Philip choose HELO, because in RFC2821 (par 2.2.1) it is noted that
servers and clients MUST accept the old HELO mechanisms as a fallback.
Furthermore many broken antispam/firewall solutions reject EHLO.