reply by email rake test fails

[root@git ~]# sudo gitlab-rake gitlab:incoming_email:check
Checking Reply by email ...

Address formatted correctly? ... yes
IMAP server credentials are correct? ... yes
Init.d configured correctly? ... skipped (omnibus-gitlab has no init script)
MailRoom running? ... can't check because of previous errors

Checking Reply by email ... Finished

centos 7

Can't reply issues from email

Status changed to closed

What was the resolution here?

mentioned in merge request !14785