[SOLVED] Mail delivery issues for POP/IMAP in latest Grommunio releases

ozy · 2024-08-22T14:10:58+00:00

I noticed that POP/IMAP clients had huge delays in mail delivery, whereas Exchange accounts worked just fine. After some investigations, I found out that my...

mwilliams

morbificagent

Yes, we have identified another case in the meantime, hang tight.

jengelh

GeneralProbe @jengelh can you please comment on this?

I don't follow the fourm—there is just too much noise in it.
Current hypothesis is that notifications are getting emitted too early, and midb/imap tries to read a message right then before the message data has made it to the database. All per-mbox operations were previously serialized, but have gained read concurrency in 2.30.

jengelh

workaround: gromox.cfg: exmdb_force_write_txn=1

GeneralProbe

@jengelh
yes that helps, thank you!

morbificagent

Here it didn't helped for some reason. Not sure if it's like that because I'm on the dev gromox version at the moment but anyway... Waiting for a general fix which hopefully comes in some days

GeneralProbe

have you removed your settings?

morbificagent

Yes, i tried it with and without the midb_reload_interval change via config, was rebooting the services and the whole server and decided to wait for the fix ;-)

GeneralProbe

I tested it again right now, it still works as expected.
Maybe it is stable vs. dev?

morbificagent

OK. My fault. I had entered exmdb_force_write_txn=1 not in the gromox.cfg. Because I was editing the midb.cfg so often I put it there.

Now I'm testing with the right settings at the right place ;-)

morbificagent

Hm... Don't know what I'm doing wrong. It's in the /etc/gromox/gromox.cfg now... Restarted... Doesn't help...

Downgraded gromox to version gromox-2.33.30.g4a6189a... Still with the exmdb_force_write_txn=1... Doesn't help... It stays the same. One or two new mails are visible via imap, and silence after that.

Back to my contab restart imap services every few minutes and waiting for better days.

mwilliams

morbificagent

gromox-2.33.42.g0b2b5ae. Reset everything back to original.

morbificagent

Many thanks, now it's working here too

ozy

Can confirm, works on both of my systems for a couple of days now, without any troubles.
Thank you.

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