Re: Zmailer RFC822 parser barfs on null (<>) addresses

[Matti Aarnio <mea@nic.funet.fi>]

> Got a note from Eric Allman ponting out that one of our machines running
> ZMailer was complaining about null return addresses.  According to RFC822 and 
> RFC1123 this is not optional.  I have not had a chance to look at it yet,
> and won't get a chance until after returning from USENIX.  Eric's note
> is attached below.

        Hmm.. It has Toronto edition, my newer ESMTP server accepts that 
        just fine, but router complains in the processed email envelope
        (That is, RFC-821, the SMTP does accept it, but RFC-822 processing 
         has a bug in it..).

> -- Dan Ehrlich
> 
> To:	postmaster@guardian.cse.psu.edu
> From:	Eric Allman <eric@CS.Berkeley.EDU>
> Subject: apparent bug in your mail system
> Date:	Sat, 4 Jun 1994 10:30:30 -0400
> Sender: eric@mastodon.CS.Berkeley.EDU
> 
> The error message shown below seems to indicate that your mail
> system doesn't understand the null return address.  This syntax
> is required by RFC 821 and 1123.  I suggest you forward this
> bug to your vendor as a VERY HIGH priority item.
> 
> eric

	Right, use proper version :-)

> ------- Forwarded Message
...
>    ----- The following addresses had delivery problems -----
> <mji@guardian.cse.psu.edu>  (unrecoverable error)
> 
>    ----- Transcript of session follows -----
> ... while talking to guardian.cse.psu.edu.:
> >>> MAIL From:<>
> <<< 501 try without the junk at the end
> 554 <mji@guardian.cse.psu.edu>... Remote protocol error
> 
> 	[ ... Stuff Deleted ... ]
> -------- End Forwarded Message

	/Matti Aarnio	<mea@nic.funet.fi> <mea@utu.fi>