Hi All,
We have a fairly new Cent OS 7 Jira Service Desk server that has a delay in sending out emails. You can see during the busy times the messages just stack up in the Mail Queue. Slowly, they get sent out but during our busy times that can be several hours later. We can see both from the mail server end and the Jira Service Desk outbound mail log that there is an exactly 20 second delay between each email notification message the Service Desk server tries to send out.
It sounded a lot like the Reverse DNS issue here: notification-mail-slow-to-arrive-or-having-huge-delay so I did a "dig -x 10.1.1.5" and it returns:
";; ANSWER SECTION:
5.1.1.10.in-addr.arpa. 3600 IN PTR servicedesk.domain.com." which seems like a normal response to me.
In "Outgoing Mail" we have tried both a 10 and 30 second timeout, but that did not change the behavior. Is there something else I should be looking at? The server is not working that hard and only handles about 30 new tickets per day. Why would it wait exactly 20 seconds? Is it waiting for the mail server to respond with a specific message that the previous message was sent and it can move onto the next? Any guidance from the community would really be appreciated!
