[Dovecot] Filed to write auth token secret file

[Chris Vaas]

Hey guys,
I am getting the following error. It seems not be be severe, since my setup
works without any signs of drawbacks. But I'd rather rely on a professional
opinion.

May 28 23:02:54 example dovecot: auth: Error:
open(/var/run/dovecot/auth-token-secret.dat.tmp) failed: Permission denied
May 28 23:02:54 example dovecot: auth: Error: Failed to write auth token
secret file; returned tokens will be invalid once auth restarts

Thanks in advance
Chris