Re: [Exim] HELO syntax check

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著者: Philip Hazel
日付:  
To: Paul Wilson
CC: Chris Edwards, exim-users
題目: Re: [Exim] HELO syntax check
On Wed, 21 Aug 2002, Paul Wilson wrote:

> I'd think so too... (well, either reject on mail from or rcpt to). "550
> Polite MTAs say hello first" would be nice.


RFC 2821 says "A client SMTP SHOULD start an SMTP session by issuing the
EHLO command." Note: SHOULD, not MUST.

--
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.