Error 451, Temporary local problem– please try later
EXIM ERROR: Our client could not send email from horde on Linux . The error was :
Horde error 451, response: Temporary local problem – please try later
The mails were not being sent or received to the domain. After some research I found that the error arises due to one of these reasons:
1) The domain is not listed in /etc/localdomains
2) The exim is corrupt or cannot solve functions
Checking For Host Name In Localdomains
First I ensured that the host is added in /etc/localdomains. It was added there so i figured out that the problem was somehow associated with exim on our linux server.
Checking EXIM Issue:
After detailed analysis of exim error logs I found the error. The error was found in following directory:
It showed some errors with functions in exim. To solve the exim issue, I reinstalled the exim (update) by using following command using ssh
The problem was solved and the client was able to receive and send emails. The error temporary local problem was solved by updating exim .