I am not getting any emails and my Server Down
October 12th, 2009
If your server down , Email senders mail server will continue to deliver emails to your domain. Senders will get message if it can’t deliver in predefined time schedules (1-4 hrs ).
Anyway senders email server will continue to retry till it delivers to your domain or it reaches maximum develivery schedule ( 4- 6 days ). After 4-6 days the email server gives up and noitfies sender about non-deliverable email.