I'm passing this along in case there is anyone still listening to
spambayes-dev who might have some relevant/recent IMAP experience. In a
non-SpamBayes application I just dumped imaplib in favor of IMAPClient in
part because I didn't want to mess with IMAP4, so I'm not able to help
(willinging, at least). I will poke around a bit though.
Thanks,
Skip
---------- Forwarded message ---------
From: Alexei Potashnik <notifications(a)github.com>
Date: Mon, Feb 1, 2021 at 2:38 PM
Subject: Re: [smontanaro/spambayes] sb_imapfilter with Hotmail causes loss
of emails (#6)
To: smontanaro/spambayes <spambayes(a)noreply.github.com>
Cc: Skip Montanaro <skip.montanaro(a)gmail.com>, Comment <
comment(a)noreply.github.com>
are you implying that you have used sb_imapfilter with other IMAP servers
and not experienced message lossage
No, this is my first time trying sb_imapfilter
My expectation is that SpamBayes should never delete email
I suspect this comment in sb_imapfilter points to what might be happening:
"""Warnings:
o We never delete mail, unless you use the -e/purge option, but we do
mark a lot as deleted, and your mail client might remove that for
you. We try to only mark as deleted once the moved/altered message
is correctly saved, but things might go wrong. We *strongly*
recommend that you try this script out on mail that you can recover
from somewhere else, at least at first.
"""
Now if I look at gmail vs hotmail IMAP settings there are these extra
options that gmail provides and hotmail doesn't:
When I mark a message in IMAP as deleted:
Auto-Expunge on - Immediately update the server. (default)
Auto-Expunge off - Wait for the client to update the server.
When a message is marked as deleted and expunged from the last visible IMAP
folder:
Archive the message (default)
Move the message to the Trash
Immediately delete the message forever
I have a feeling hotmail behaves like gmail with "Auto-Expunge on" and
"Immediately delete the message forever".
I'm wondering if someone with IMAP expertise can comment on the above
theory or maybe propose a workaround for hotmail.
Can you attach your config file with your Hotmail credentials xxxxxx-d out
[imap]
server:outlook.office365.com
use_ssl:True
username:
filter_folders:Inbox
spam_folder:Inbox/spam.90
unsure_folder:Inbox/spam
ham_train_folders:Inbox/train.ham
spam_train_folders:Inbox/train.spam
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