I have a new Plesk 8.2 server, setup a domain on it and the website is working properly, however when I use http://webmail.domainname.com
, I login, and cant send or reply to any emails.
I get the error: There was an error sending your message: unable to add recipient [<email address>]: Invalid response code received from server.
I believe it is using horde as the address in internet explorer is http://webmail.domainname.com/horde/imp/compose.php
I'm not sure what to do as I dont have much experience with Plesk/Horde.