25
Port number of SMTP is 25 and of IMAP is 143. (These are the standard port numbers used)
Port Number For SMTP(Simple Mail Transfer Protocol) is 25.
465 is the default port number for SMTP. SMTP stands for Simple Mail Transfer Protocol. It is used for sending Emails over the network.
An SMTP port is the port used to transfer email using the SMTP protocol. Typically SMTP is configured to use TCP port 25, although some servers will use TCP port 587.
For Send Mail Transfer protocol default port number as is 25. SMTP actually stands for Simple Mail Transfer Protocol. I agree with the port number
SMTP and HUB ports!
SMTP uses port number 465 by default. It stands for Simple Mail Transfer Protocol. It is the protocol for sending emails in a network.
generally smtp is on 25 and pop3 is on 110. but there are different ports for different types of mail servers too.
Port 25 is reserved for SMTP traffic. Hence, it is listening for email.
SMTP is normally run on port 25, regardless of what operating system is running the service.
25
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.