On 2024-11-28 22:07, Lucio Chiappetti via Alpine-info wrote:
On Thu, 28 Nov 2024, Carlos E. R. via Alpine-info wrote:On Linux, you can use a tool to download email, like fetchmail. This handles the mail to an MTA, this to a sorting tool, like procmail, which calls spamassassin as a part of the process, then finally Alpine.Yes, I sort of second this approach. But there may be caveats.But you loose the immediacy of imap.True. I have a ~5 min delay (the time interval between my fetchmail runs, controlled bu crontab). What you gain is that e-mail is stored forever on your local machine, and not on anybody else's computer. Of course you can't access the mail on the local computer from another computer unless: - you ssh onto your local computer and run alpine there (what I do now) - you run a local IMAP server (I did it long ago when travelling)
Or you copy email to your computer, leaving it in the server.I used the fetchmail approach in the past, but it is important to me to be able to read email in at least two computers.
I precise the "sort of" and caveats above. ------In the past (quite som years ago) my institution managed its own sendmail on a server. This might deliver to the user local machine. We had spamassassin on the server, trained on our ham-and-spam message base. We had also a daily crontab warning each user about quarantined messages (we had global quarantine, not user's spam directories).I also had procmail privately on my machine, with a further tier of spam filters (and also sorting-in-folders-per-subject).We had very few false negatives and false positives. I mean I received very few true spam, and almost never had to recover good messages marked incorrectly as spam in the quarantine.------ Then my institution moved to Gsuite (gmail).I arranged fetchmail to get my Gsuite inbox (then it was easy, today is not so easy) every 5 min, so I could run all my procmail filters, sorting by subject etc.For Gsuite Spam folder I instructed alpine to (then easy) to access it, which I did once per day. I found a bit more false positives (good messages marked as spam by the wondeful Google filters). At the time what I did was then to use the Gsuite web interface and tag the messages as "not spam". I hoped that would uinstuct the filters, but this is NOT the cass. so I gave up. Now if I find a false positive in Gsuite Spam folder when looking at it with alpine, I just save (mov) it to my local inbox.------ Recent complication with Gsuite.They disabled support to "less secure apps" (they call fetchmail or alpine so, apparently because of refusal to pay a bribe, to say it in a politically uncorrect way), forced 2FA and/or OAUTH2, etc.There are two ways to overcome that: - one is to use an "app password" (different from the normal user personal password) for alpine and fetchmail
That's what I do.
...
many nuances.
--
Cheers / Saludos,
Carlos E. R.
(from 15.5 x86_64 at Telcontar)
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