Re: [ietf-smtp] [Proposal] confusing parts of the mail system, was 250-MARKDOWN

valdis.kletnieks@vt.edu Fri, 11 January 2019 21:52 UTC

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Date: Fri, 11 Jan 2019 16:52:48 -0500
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Subject: Re: [ietf-smtp] [Proposal] confusing parts of the mail system, was 250-MARKDOWN
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On Fri, 11 Jan 2019 13:38:24 -0800, Gene Hightower said:

> But how many people use a webmail service, access their mail via the
> web interface and delivery is direct, one hop?  Maybe it's 99.x% of
> email users?  The 0.y% of power users with procmail rules and strange
> forwarding and all that keep using DATA with base64.

The problem arises when Joe Sixpack sends Fred Poweruser an email,
and Joe's MTA has to know what Fred's system does.

And when you're running at scale, even 4 9's worth of "worked right" means
a very high potential number of trouble tickets...