On Wed, Feb 03, 2016 at 10:52:43AM -0800, Brandon Long wrote:
> We rolled out a RFC 5321 compliant parser to smtp in Aug/Sept of last year,
> to much gnashing of teeth for a small set of users with some crappy
> software.  We rolled it back for MSA (just silently replace with the
> auth-user), because apparently virtually all embedded devices (security
> cameras, mostly) send garbage at MAIL FROM.

As you know, I'm not a big fan of Gmail, but I fully support your
rollout of this and encourage you to enforce it for MSA as well.
Accomodating horribly-broken crap does nothing to encourage people to
fix it.  And I do mean "horribly-broken": accomodating things that
are a bit dubious or ambiguous or non-standard is fine, but when
something is this badly broken, it should be flat-out rejected.
It's the only way that this will ever get fixed, and getting it
fixed in the long term is far more important than accomodating it in
the short term.

---rsk

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