18.01.2025 17:11:52 Ron Minnich <rminn...@p9f.org>:

> I think upas/debug is a great idea.
>
> I was unable to send mail yesterday because apple changed its x509
> cert. Now, I can find that, but it is a pain. A upas/debug would be
> very useful. I would hope it would check the certs.

I have a "do not check certs" flag in my smtpd, but I'd prefer some proper 
chain cert check instead. The original way is to add each and every cert thumb 
to a file, which is quite annoying and a lot of manual labor. Even a TOFU would 
be much better than not checking any certs.

A upas/debug would be nice, though upas is used in various scenarios, which 
makes it harder to debug. Maybe a general mail/debug suite would be better (for 
checking a mail server and a pure mail client, as those are quite different).

Nowadays, I rarely use upas as a mail client. I use my mail server via some 
other mail client on my phone. And I'm pretty sure that I'll have issues 
setting up my mail server again, since it's running reliably for many months 
now. A proper guide (and cleaned up config files) would help a lot.

In general, we have a lot of "this is how tool X works" manuals, and a lack of 
"this is how task X can be done" documentation. The fqa is probably the most 
famous example of the latter, next to the intro man pages. I would be happy if 
we had more on-line documentation like the intro pages, but for more specific 
tasks. I feel that many new users especially encounter situations where they 
just don't know what can be done.

There's lots of knowledge about this hidden in various mailing list threads, 
chat groups, and blogs.

sirjofri

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