Re: [exim] SIZE callout

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著者: Heiko Schlittermann
日付:  
To: exim-users
題目: Re: [exim] SIZE callout
Renaud Allard <renaud@???> (Do 08 Nov 2007 09:19:23 CET):
>
>
> 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.


But if they accept HELO and later reject EHLO the callback (-forward) is
worth about nothing.

--
Heiko