cPanel is the most commonly used web hosting control panel in the web hosting industry. One of the most common issues we have faced in cPanel is spamming. Spamming happens many ways on the mail server. It is the most common issue in the web hosting industry and it causes our server IP's blacklisted [...]
cPanel provides three standard webmail applications, namely Horde, Roundcube, and SquirrelMail. I would like to explain two errors which we face during sending mails from the Email web interface applications and the solution to fix the errors. 1 Roundcube Webmail “An error occurred” If you came around the error “Unexpected condition from IMAP server, closed [...]
Login to the server SSH as root. Make a sender whitelist file. touch /etc/exim_whitelist_senders Take a backup of the exim conf and open it. cp -p /etc/exim.conf /etc/exim.conf.BKP vi /etc/exim.conf Add the line on top of the file addresslist whitelist_senders = wildlsearch;/etc/exim_whitelist_senders Now search for the line require verify = sender/callout Comment that line and add [...]
Its an issue with spamassasign. Edit the file /etc/mail/spamassassin/local.cf and add the following lines: score FH_DATE_PAST_20XX 0.0 restart spamd and exim.
Login to WHM >> Main >> Service Configuration >> Exim Configuration Editor . Uncheck the option: Sender Verification If it doesn't help, reset ALL EXIM configuration to default and try again.