Re: Compu$erve RFC 1123 5.3.3 violation

[Jared Mauch <jared () wolverine hq cic net>]

        I agree.  They should say deferred and let sendmail retry until
the local configuration says to bounce a warning or return the message.

        I will note, students.uiuc.edu also does this if a mailbox
is full.

        - Jared

Randy Bush graced my mailbox with this long sought knowledge:
> The following bounce from Comp$Serve violates RFC 1123 5.3.3.  They have
> been repeatedly informed of this and refuse to fix their mail system.
> Hence mailing lists here prevent subscription by Compu$erve addressees.
> I suggest that others, e.g. the nanog list, do the same.
>
> randy
>
>
> Message-ID: <961115221415_515664.456256_JHO109-62 () CompuServe COM>
> Date: 15 Nov 96 17:14:16 EST
> From: Electronic Postmaster <POSTMASTER () CompuServe COM>
> Comments: Returned from:  <103311.571 () CompuServe COM>
> Message-Type: Delivery Report
> To: Randy Bush <rbush () wna net>
> Subject: Undeliverable message
>
> Your message could not be delivered for the following reason:
>
> Mailbox 103311.571 is currently full.
> Please resend your message at a later time.
>
> --- Returned message ---
>
> Sender: owner-nanog () merit edu
> Received: from merit.edu (merit.edu [35.1.1.42]) by hil-img-2.compuserve.com (8.6.10/5.950515)
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>       id m0vOW9V-0007zfC; Fri, 15 Nov 96 13:50 PST (Smail3.1.29.1#1)
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> Date: Fri, 15 Nov 96 13:50 PST
> To: Scott Huddle <huddle () mci net>
> Cc: nanog () merit edu
> From: Randy Bush <rbush () wna net>
> Subject: Re: The Cidr Report
> References: <199611152058.PAA17223 () new6 Reston mci net>
> Sender: owner-nanog () merit edu
>
> > > Number of ASes announcing only one prefix:  737 (378 cidr, 359 classful
> > Wow!  Is a correct assumption that some 40% of the ASs could be 
> > reclaimed?
>
> I do not see how you get to this conclusion.  He did not say number of ASs
> which only appear through one other unique AS, i.e. are single homed.  Oh,
> Joel!
>
> > > Largest number of  cidr routes:                    461 announced by AS3561
> > > Largest number of classful routes:                1266 announced by  AS174
> > Neat stuff.  Could you list the top ten or five of each of these?
>
> What is a 'top' prefix?  Lowest IP?  Shortest prefix?  Actually, for
> embarrassment sake, I would want to see the most likely candidates for
> aggregation.  But if I wanna see it, I can look in one of my routers.
>
> > > Top 20 Withdrawn Routes from 08Nov96 to 15Nov96
> > >    -304  AS174 Performance Systems International
> > Are congrats due to PSI?
>
> Far out!  Maybe so!  
>
> > >     -50 AS2914 WNA, premasticated for MCI :-)
> > ???
>
> Sorry.  I have to convert my RADB RPSL one into a placeholder RIPE-181++ for
> the MCI-RR, and that's the descr:.  For the real aut-num: see the RADB.  I
> would think Tony would be picking up the latter.  Old habits, TB?
>
> randy

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