| SMTP (Simple Mail Transfer Protocol) |
Sends and receives mail from other servers using the SMTP Protocol. SMTP authentication methods are supported to provide a secure means of sending user IDs and passwords across networks. You control access to the SMTP server, by specifying an IP address or IP range that are either granted or denied access. Mail relay options provide additional security, by defining who can send mail through your server. For information on SMTP, see "SMTP Server".
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| POP3 (Post Office Protocol) |
POP3 mail clients can communicate with IMail Server. POP3 is the most common protocol for retrieving messages from a mail server. POP3 servers hold messages until users download them to their local machine. For information on POP3 see "POP3 Server".
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| IMAP4 (Internet Message Access Protocol version 4) |
Allows e-mail clients to access messages remotely. E-mail stored on an IMAP server can be accessed from a home computer without transferring messages between computers. Like POP3, IMAP4 uses SMTP for communication between the e-mail client and server. For information on IMAP4 see "IMAP4 Server".
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| Web Messaging |
Allows users to access mail using any web browser. Users can maintain an address book, manage mailboxes, and use delivery rules to process incoming mail. Web messaging is equipped with a Spell Checker and various dictionaries. Administrators can manage virtual hosts, aliases, users and list-server mailing lists. They can also customize the web templates to change their look and functionality. Web Messaging also supports online advertising. For information on Web Messaging see "IMail Web Messaging".
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