Bug#1034015: exim4: exim paniclog on lenovo has non-zero size

[Wensheng Xie]

Package: exim4
Severity: important
X-Debbugs-Cc: none, Wensheng Xie <xiewensheng at hotmail.com>

Dear Maintainer,

*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?
     Installed exim4 and setup localhost as mailserver
     
   * What exactly did you do (or not do) that was effective (or
     ineffective)?
     Sending/receiving emails to local users is ok;
     LAN users receiving emails from server PC is ok, but cannot send
     emails.
   * What was the outcome of this action?
     exim paniclog /var/log/exim4/paniclog on lenovo has non-zero size, mail system might be broken. Up to 10 lines are quoted below.

2023-03-17 23:26:36 daemon_notifier_socket bind: Address already in use
2023-03-17 23:31:06 socket bind() to port 25 for address 127.0.0.1 failed: Address already in use: daemon abandoned
2023-03-17 23:31:34 socket bind() to port 25 for address 127.0.0.1 failed: Address already in use: daemon abandoned
   * What outcome did you expect instead?
     There is no error, and emails for LAN users via port 25 should work.

*** End of the template - remove these template lines ***


-- System Information:
Debian Release: 11.6
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.10.0-20-amd64 (SMP w/4 CPU threads)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=zh_CN.UTF-8, LC_CTYPE=zh_CN.UTF-8 (charmap=UTF-8), LANGUAGE=zh_CN:zh
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled