Fetchs emails, but does not import them

Infos:

  • Used Zammad version: 5.2.x
  • Used Zammad installation type: Docker-Compose
  • Operating system: Linux

Expected behavior:

  • Sending email to support email (set up as inbound & outbound email on options>email with type imap/smtp)
  • Scheduler fetchs emails and then import them to Zammad
  • getting notification on Zammad

Actual behavior:

  • Sending email to support email (set up as inbound & outbound email on options>email)
  • Scheduler fetchs emails but does not import them to Zammad
  • getting no notification on Zammad

Steps to reproduce the behavior:

  • I don’t know what I should describe here?
  • Zammad was installed with these steps

Railsserver log:

Here is a snippet of the log with docker logs -f <container_id>

I, [2022-08-04T08:39:59.073368 #1-109540]  INFO -- : execute Channel.fetch (try_count 0)...
I, [2022-08-04T08:39:59.075867 #1-109540]  INFO -- : fetching imap (swg-it-ticket.stahl-groeditz.de/it-ticket.swg port=1143,ssl=false,starttls=false,folder=INBOX,keep_on_server=false,auth_type=LOGIN)
I, [2022-08-04T08:39:59.468486 #1-109540]  INFO -- :  - message 1/3
I, [2022-08-04T08:39:59.606062 #1-109540]  INFO -- :  - message 2/3
I, [2022-08-04T08:39:59.804963 #1-109540]  INFO -- :  - message 3/3
I, [2022-08-04T08:40:00.005721 #1-109540]  INFO -- : ended Channel.fetch took: 0.940949484 seconds.
I, [2022-08-04T08:40:04.207457 #1-131340]  INFO -- : execute Stats.generate (try_count 0)...
I, [2022-08-04T08:40:04.441195 #1-131340]  INFO -- : ended Stats.generate took: 0.239571846 seconds.
I, [2022-08-04T08:40:04.826549 #1-108520]  INFO -- : 2022-08-04T08:40:04+0000: [Worker(host:57fa8270e2c0 pid:1)] Job SearchIndexAssociationsJob [1fff5be4-704e-48c5-9ea1-2c6ec7c34835] from DelayedJob(default) with arguments: ["StatsStore", 1] (id=1034) (queue=default) RUNNING
I, [2022-08-04T08:40:04.963364 #1-108520]  INFO -- : 2022-08-04T08:40:04+0000: [Worker(host:57fa8270e2c0 pid:1)] Job SearchIndexAssociationsJob [1fff5be4-704e-48c5-9ea1-2c6ec7c34835] from DelayedJob(default) with arguments: ["StatsStore", 1] (id=1034) (queue=default) COMPLETED after 0.1366
I, [2022-08-04T08:40:04.967346 #1-108520]  INFO -- : 2022-08-04T08:40:04+0000: [Worker(host:57fa8270e2c0 pid:1)] Job SearchIndexAssociationsJob [a8e695c0-37be-46dc-827b-f70fd7daaef6] from DelayedJob(default) with arguments: ["StatsStore", 2] (id=1035) (queue=default) RUNNING

However, IMAP doesn’t work at me, I changed to POP3 and it works now.