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Re: [Tools-discuss] [Emailcore] emails being truncated

John Levine <johnl@taugh.com> Wed, 21 July 2021 21:21 UTC

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From: John Levine <johnl@taugh.com>
To: tools-discuss@ietf.org
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Subject: Re: [Tools-discuss] [Emailcore] emails being truncated
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It appears that \'Toerless Eckert\' <tte@cs.fau.de> said:
>> I don't think this is a problem that can be solve by IETF.
>
>Let me disagree!
>
>It is of course very frustrating to see such bugs in deployments
>for a spec from 1982 (RFC821/RFC5321). But if the problem does happen in
>a large enterprise as ATT, it likely happens elsewhere too,
>and after 43 years its clear it will not go away by itself:
>
>I suspect that after 43 years this is not even bad old code, but
>badly written "recent" SMTP code. SMTP sending looks from the outset so
>simple, many attempt to just re-implement it as few lines of
>code in their app and of course miss out on details. I know
>i did (statue of limitations for me ;-).

An interesting guess, but clearly wrong, since it's still a well known bug
in Microsoft Exchange.

How about if you pop up to Redmond, explain to Microsoft what they're doing
wrong, and let us know what they say?

R's,
John

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