Re: SMTP behavior: 553 5.5.2 Bad command format(h)

["Steven M. Bellovin" <smb () research att com>]

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