[69230] in North American Network Operators' Group
Re: SMTP behavior: 553 5.5.2 Bad command format(h)
daemon@ATHENA.MIT.EDU (Steven M. Bellovin)
Wed Mar 31 19:01:59 2004
From: "Steven M. Bellovin" <smb@research.att.com>
To: Scott Call <scall@devolution.com>
Cc: nanog@merit.edu
In-Reply-To: Your message of "Wed, 31 Mar 2004 15:19:50 PST."
<Pine.LNX.4.33L2.0403311519260.1938-100000@twomix.devolution.com>
Date: Wed, 31 Mar 2004 18:30:51 -0500
Errors-To: owner-nanog-outgoing@merit.edu
In message <Pine.LNX.4.33L2.0403311519260.1938-100000@twomix.devolution.com>, S
cott Call writes:
>
>On Wed, 31 Mar 2004, Miguel Mata-Cardona wrote:
>
>>
>> WTF? can anyone please explain me why must I enclose my
>> address between the "<>"?
>
>http://www.faqs.org/rfcs/rfc2821.html
>
>
Yup -- that's what the spec says. See, in particular, 4.1.1.2, which
gives the syntax of the MAIL FROM: command, and 4.1.2, which gives the
syntax of a Reverse-path.
There are some SMTP servers which don't require the <>, but they're
being generous -- they've always been required.
--Steve Bellovin, http://www.research.att.com/~smb
