Common Email Ports Flashcards
1
Q
25
A
The default port used in Simple Mail Transfer Protocol (SMTP) for non-encrypted communications.
2
Q
465
A
The port registered by IANA for SMTP over SSL (SMTPS).
3
Q
587
A
The Secure SMTP (SSMTP) protocol for encrypted communications, as defined in RFC 2478, using STARTTTLS.
4
Q
110
A
The default port used by the POP3 protocol in non-encrypted communications.
5
Q
995
A
The default port used by the POP3 protocol in encrypted communications.
6
Q
143
A
The default port used by the IMAP protocol in non-encrypted communications.
7
Q
993
A
The default port used by the IMAP protocol in encrypted (SSL/TLS) communications.
