Re: SNDSMTPEMM Not Working With Gmail?

I will also add that a large number of people I've worked with don't think
they need to use a mail router and it wouldn't actually go through Gmail,
but instead delivered directly to the recipient. Now, whether that works
or not is a crapshoot.

I see the "if it works I don't care how or why" attitude with email, all
this while most of their emails, mostly outside of their domain, probably
aren't getting delivered.

On Tue, Feb 7, 2023 at 8:11 AM Patrik Schindler <poc@xxxxxxxxxx> wrote:

Hello Larry,

Am 07.02.2023 um 15:02 schrieb Larry DrFranken Bolhuis <
midrange@xxxxxxxxxxxx>:

Message that is coming back from gmail and other hosted email at google

is

"550-5.7.1 x.x.x.x Messages missing a valid messageId
header"

The very odd part is that even without this PTF, some systems don't see

the error. Seems (no proof) that if you're still routing through MSF then
the problem doesn't occur.

Interesting! This at least shades some light onto that "does not work"
issue.

But if sending directly through SMTP (clearly preferred) then it fails.

Even if that "direct send" provides a (proper) message-id header?

https://en.wikipedia.org/wiki/Message-ID

MSF seems to behave correctly that when no message-id is supplied, it adds
one.

:wq! PoC



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