A common error on private email serversWhen they try to send e-mail from a specific area or a specific email address.
The scenario is quite simple.
We have a private email address (that is, it does not belong to Gmail, MSN, OutLook, iCloud, Yahoo !, etc.) from which we can not send messages to another private email address. The message returned will be:
A message sent you That Could not Be Delivered to one or more of STI
recipients. This is a permanent error. GMT address (es) failed:
All hosts for 'domain.tld' have been failing for a long time (and not retry time Reached)
In most cases this error It occurs when database “Exim Retry"is corrupt. So the problem is The server that is trying to send the message.
resolving error consists Exim delete Retry Database si EXIM service restart server.
Perform the following server command line to delete database Exim Relay:
cd / var / spool / exim / db rm -f retry retry.lockfile rm -f remote_smtp wait-wait-remote_smtp.lockfile
After executing these commands that will be deleted fieserele: retry, retry.lockfile, wait-and wait-remote_smtp.lockfile remote_smtp, restart service "exim".
service exim restart
To run these commands, you must have access to the server console (or SSH access) and sufficient permissions.