cPanel

The Linux hostname command is not enough, as it won’t change HELLO for Exim, or reset the SSL certificates. The good hostname script is: /usr/local/cpanel/bin/set_hostname The hostname need to be FQDN, in the format, for example: /usr/local/cpanel/bin/set_hostname host.exampledomain.com

List email accounts with uapi and grep uapi –user=cpanelusername Email list_pops | grep email Use find and replace in order to generate the bulk command replace “@domain.com” with “quota=2048 domain=domain.com” replace ” email:” with “uapi –user=cpanelusername Email edit_pop_quota email=” The final command will look like: uapi –user=cpanelusername Email edit_pop_quota email=user quota=0 domain=example.com

There are multiple methods to check the EXIM SMTP server version in cPanel. If the current version doesn’t match the version reported by the SMTP connection, consider restarting the EXIM service. Method 1: via API command whmapi1 installed_versions packages=1|grep exim Method 2: in WHM Go in WHM > Server Status > Service status

This is related to cPanel  [CPANEL-23772] Pure-FTPd Couldn’t load the DH parameters file issue. Here is how to fix: openssl dhparam -out /etc/ssl/private/pure-ftpd-dhparams.pem 2048 /scripts/restartsrv_pureftpd Here are the default Cyphers for cPanel FTP server: HIGH:MEDIUM:+TLSv1:!SSLv2:+SSLv3