doveadm: Error: open(/proc/self/io) failed

A. Schulze sca at
Wed Jul 31 20:45:30 EEST 2019

Am 31.07.19 um 08:27 schrieb Sami Ketola via dovecot:
> service lmtp {
>  user = vmail
> }
> please remove user = vmail from here or change it to root.
> for security reasons lmtp service must be started as root since version 2.2.36. lmtp will drop root privileges after initialisation but it needs to open /self/proc/io as root before that.

Hello Sami,

I don't read "root is required for lmtp" in neither does say so.
Could you proof that statement somehow?


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