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The Simple Mail Transfer Protocol ( SMTP) is an Internet standard communication protocol for electronic mail transmission. Mail servers and other message transfer agents use SMTP to send and receive mail messages. User-level email clients typically use SMTP only for sending messages to a mail server for relaying, and typically submit outgoing ...
The port numbers in the range from 0 to 1023 (0 to 2 10 − 1) are the well-known ports or system ports. They are used by system processes that provide widely used types of network services. On Unix-like operating systems, a process must execute with superuser privileges to be able to bind a network socket to an IP address using one of the well ...
There are two different protocols you can choose when setting up a third-party email app: POP or IMAP. POP downloads a copy of your emails from your account (mail.aol.com) to the app. This means that if you delete an email from your account after it's been downloaded, the downloaded copy remains in the app. Additionally, POP only downloads ...
To send and receive AOL email via a 3rd party email client, you'll need to manually configure the servers and port numbers with supported AOL Mail info. If you access AOL Mail through mail.aol.com or the AOL app you don't need to make any changes to your settings. You may be prompted to select either IMAP or POP3, so if you change the ...
The Internet Message Access Protocol is an application layer Internet protocol that allows an e-mail client to access email on a remote mail server. The current version is defined by RFC 9051. An IMAP server typically listens on well-known port 143, while IMAP over SSL/TLS (IMAPS) uses 993. [2] [3]
In early 1997, the Internet Assigned Numbers Authority registered port 465 for smtps. Late 1998 this was revoked when STARTTLS was standardized. With STARTTLS, the same port can be used with or without TLS. The use of well-known ports for mail exchanges communicating with SMTP was discussed in particular at the time.
Settings may be in a different location in each email client, though the AOL server and port settings will always be the same. For additional questions specific to the email client, check the manufacturer’s website. Manufacturers cannot answer questions about your Netscape/AOL Mail settings, or your Netscape username or password.
It can use a Transmission Control Protocol (TCP) transport like SMTP, but must not use port number 25, the well-known port for SMTP. Usage of port 24 ("any private mail system") is common among some mail server applications however. Differences from SMTP. LMTP conversation syntax is based on the same commands as SMTP (formerly called Extended ...