Additional Services

Basic Mail Delivery Services

SMTP (Simple Mail Transport 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".

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".

IMAP4 (Internet Message Access Protocol version 4) Allows email clients to access messages remotely. Email 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 email client and server. For information on IMAP4, see "IMAP4 Server".

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".

Additional Services

Web Calendaring A Web-based calendar accessible from any Web browser. IMail Web Calendaring provides a user-friendly interface for storing schedules, setting appointments, recording notes and tasks, and receiving email reminders for appointments. Users can also send email requests to others inviting them to appointments or events. IMail Web Calendaring also supports online advertising. For information on Web Calendaring, see "IMail Web Calendaring".

Lightweight Directory Access Protocol (LDAP) version 3 server Allows remote access to user data through any LDAP client. User data includes standard LDAP information such as the user's name, organization, mailing address, and telephone number. For information, see "LDAP Server".

List server Allows you to set up automated mailing lists, which receives mail and resends it to all users on the list. The list server supports moderated and unmoderated lists, and the ability to group messages into a digest. For information, see "List-Server Mailing Lists".

Monitor server Monitors each service by polling. It can be configured to send email, beeper, or pager notifications and restart a service that is down. It can also monitor other services (DNS, NNTP, WWW, Telnet, and FTP), the default gateway, and disk space, from either the local or a remote system.
You can access the Monitor server remotely using a Web browser to view the status of services and perform administration functions. For more information, see "The Monitor Server".

IMail Syslog Log Records transaction and debug information when enabled in each of the servers (for example, POP3 and SMTP).

Finger and Whois servers These servers allow you to publish user information on the Internet. For information, see "Finger Server".

Password server Allows users of older mail clients (Eudora and NuPOP) to change their passwords remotely.

Queue Manager service Provides control over the flow of messages through the queue by allowing you to set options based on your system's needs. The queue manager can regulate SMTP32 threads so the maximum is not exceeded. A daily report can be sent to administrators detailing the server's performance.

SMTP (Simple Mail Transport 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".
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".
IMAP4 (Internet Message Access Protocol version 4)	Allows email clients to access messages remotely. Email 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 email client and server. For information on IMAP4, see "IMAP4 Server".
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".

Web Calendaring	A Web-based calendar accessible from any Web browser. IMail Web Calendaring provides a user-friendly interface for storing schedules, setting appointments, recording notes and tasks, and receiving email reminders for appointments. Users can also send email requests to others inviting them to appointments or events. IMail Web Calendaring also supports online advertising. For information on Web Calendaring, see "IMail Web Calendaring".
Lightweight Directory Access Protocol (LDAP) version 3 server	Allows remote access to user data through any LDAP client. User data includes standard LDAP information such as the user's name, organization, mailing address, and telephone number. For information, see "LDAP Server".
List server	Allows you to set up automated mailing lists, which receives mail and resends it to all users on the list. The list server supports moderated and unmoderated lists, and the ability to group messages into a digest. For information, see "List-Server Mailing Lists".
Monitor server	Monitors each service by polling. It can be configured to send email, beeper, or pager notifications and restart a service that is down. It can also monitor other services (DNS, NNTP, WWW, Telnet, and FTP), the default gateway, and disk space, from either the local or a remote system. You can access the Monitor server remotely using a Web browser to view the status of services and perform administration functions. For more information, see "The Monitor Server".
IMail Syslog Log	Records transaction and debug information when enabled in each of the servers (for example, POP3 and SMTP).
Finger and Whois servers	These servers allow you to publish user information on the Internet. For information, see "Finger Server".
Password server	Allows users of older mail clients (Eudora and NuPOP) to change their passwords remotely.
Queue Manager service	Provides control over the flow of messages through the queue by allowing you to set options based on your system's needs. The queue manager can regulate SMTP32 threads so the maximum is not exceeded. A daily report can be sent to administrators detailing the server's performance.

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