SSL can be used on many ports; for web traffic, the common port is 443.
Gmail is a mail sending application of the web. It uses two ports for SSL and TCL. The port number for SSL is 465 and the port number to TCL is 587.
Gmail uses 2 ports for sending and receiving data. the port number 487 is for SSL. The port number 587 is for TLS.
The default port should be 443 but it can be changed.
993 IMAP over SSL or MMP IMAP Proxy over SSL
port 636
Gmail uses the technology or the protocols to send mails. It works on port number 487 for SSL. IMAP and SMTP are the protocols used.
mail.messagingengine.com IMAP SSL Port 993
A secure certificate (SSL).
Generally port 21 is for FTP 22 for FTP using SSH 990 FTP using SSL
Google uses 2 ports for SMTP most often. On is for SSL and the other is for TLS. SSL is operated on 465 and TLS uses 587.
993
It depends on what SSL is being used for (HTTP, as in secure web pages; FTP; Telnet; etc.). Below is a non-exhaustive list of various port numbers used for protocols with SSL implemented: * HTTP: Port 443 * FTP (Data): Port 989 * FTP (Control): Port 990 * Telnet: Port 992 * IRC: Port 994 * pop3: Port 995 I hope this was the information you were looking for.