I created a mailbox. It can normally receive mail and send mail to the mailbox account of the same server, but send mail to other mailboxes, and other mailboxes can't receive mail

37 Dec. 28, 2021, 4:12 a.m. #1

I created a mailbox. It can normally receive mail and send mail to the mailbox account of the same server, but send mail to other mailboxes, and other mailboxes can’t receive mail

37 Dec. 28, 2021, 4:14 a.m. #2

Prompt connection timeout in MAIL QUEUE

Nitesh Kunnath Dec. 29, 2021, 5:26 a.m. #3

Please provide us the relevant logs to identify the issue.