DNS of our servers: richhostdns.com, rich-host.com

The mail function is disabled on all servers in all php versions, to use the mail sending functions use smtp

Mail settings for mail programs and setting up sending from sites via smtp:

Received:

richhostdns.com server
imap protocol
port 993
ssl / tls encryption type

richhostdns.com server
pop3 protocol
port 110
starttls encryption type

Sending:

richhostdns.com server
encryption ssl / tls port 465

richhostdns.com server
no encryption port 587