Mail box replying to ticket

Currently Zammad works great except when replying to a ticket
the mailbox used for Zammad also reply to the ticket shortly after with exactly the agent just send

I tried ingoreing the address in the filter setting but to no effect

  • Used Zammad version: 5.1.1-11
  • Used Zammad installation type: Docker Desktop
    (command: Docker compose up, default yam file)
  • Operating system: Win 11
  • Browser + version:
    1.Microsoft Edge 103.0.1264.37
    2.Google Chrome 102.0.5005.115

Zammad setup:
Incoming Mailbox: POP3
Outgoing MailBox: SMTP
mail address/server are the same

I know that Zammad recommand using IMAP instead of POP3
but currently I get stuck on verifying when I try to use IMAP
and since I am just testing out Zammad, I can’t request change to the company mail server

Expected behavior:

mail box does not replay to ticket

Actual behavior:

mail box used replays to ticket after agent send a replay to customer

Steps to reproduce the behavior:

1.Replay customer on a ticket
2.wait for few second
3.mailbox replay to the ticket

1.Is this a mail server setting error?
2.Can Zammad workaround this?

Thank you for your time and help