Problem with exim and SMTP: Invalid response code received from server

[admin]

If you have a problem in sending email via smtp with pear.

and got this error message :

Code Select Expand

[message] =>  authentication failure [SMTP: Invalid response code received from server (code: 454, response: TLS currently unavailable)]

You need to change the user and group of exim.cert and exim.key to be mail:

Code Select Expand

chown mail:mail /etc/exim.cert
chown mail:mail /etc/exim.key