In MailPlus Server, these ports are IMAP ( port number: 143 ), IMAPS (port number: 993), POP3 (port number: 110), and POP3S (port number: 995). Through these protocols, you can retrieve email information from MailPlus Server using different email clie
You must enable at least one of the protocols (POP3,POP3 SSL/TLS,IMAP and IMAP SSL/TLS) to receive mails via mail clients. You can enable multiple protocols.