Inbound emails are down. Outbound works.
the ASA 5510 shows this in the log.
Deny tcp src outside:18.104.22.168/38723 dst inside:22.214.171.124/25 by access-group "inside_access_out" [0x0, 0x0]
One minute everything was ok then it stopped working.
In the inside interface(incoming rules), i have a rule that states (source) email server name (destination) any (service) smtp (action) permit.
In the outside interface(incoming rule), i have a rule that states.. (source) any (destination) public ip of email server (service) smtp (action) permit.