Panic: Module context expire_mail_user_module missing (Debian 10)

[Thomas Krause]

Am 2019-08-02 10:39, schrieb Alexander Dalloz via dovecot:
> Am 2019-08-02 10:31, schrieb Thomas Krause via dovecot:
>> Hi all,
>> I tried to migrate a mailserver from Debian 9 (Dovecot 2.2.27) to
>> Debian 10 (Dovecot 2.3.4.1). I moved the mail-partition and
>> /etc/dovecot from the old to the new server. Dovecot started with
>> 2 warnings. When trying to fetch mails via pop3 the server crashes:
>> 
>> 
>> Aug  1 16:56:47 mail19 dovecot: pop3-login: Login: user=<testuser>,
>> rip=::1, mpid=22394, session=<rutwcw+PRp4AAAAAAAAAAAAAAAAAAAAB>
>> Aug  1 16:56:47 mail19 dovecot:
>> pop3(testuser)<22394><rutwcw+PRp4AAAAAAAAAAAAAAAAAAAAB>: Panic: Module
>> context expire_mail_user_module missing
> 
> Disable the expire plugin in your configuration.
> 
After disabling the expire module it works. But I need the expire
module. What can I do?

Regards,
Thomas.