Protocols and ports
To synchronize your IceWarp account with Outlook interface, you need to set correct outgoing and incoming ports depending on the protocol type.
SmartDiscover helps to avoid manual settings. It automatically receives all necessary information about ports from the server. See SmartDiscover for more information.
Figure. SmartDiscover settings.
To check what ports are used in your server, go to System -> Services -> General -> double-click a service to its properties.
Protocols
|
Protocol |
Description |
|---|---|
|
IMAP (Incoming connection) |
IMAP protocol is used for main communication between the IceWarp server and Outlook Sync. All items are synchronized from the server using an extended IMAP protocol and vice versa. Ports are 143 for plain communication and 993 for secured channel. |
|
POP3 (Incoming connection) |
POP3 protocol is used by Outlook itself for receiving messages, unless you have groupware only profile, you do not need to worry about this protocol. Ports are 110 for plaint communication and 995 for secured channel. |
|
SMTP (Outgoing connection) |
SMTP protocol is used by Outlook itself for sending messages. Ports are 25 for plain communication and 465 for secured channel. |
|
HTTP (Supportive protocols) |
HTTP is used for license requests and for WebDAV requests while downloading event attachments and for SmartDiscover. Required ports depend on server settings, but generally it is port 80, and 443 for secured ports. Port 5229 is used for license requests. SmartDiscover always uses secured channel on port 443. |
|
WebDAV (Attachments retrieval) |
WebDAV is a protocol over HTTP that is used for downloading attachments. Its link is sent by the server depending on the “WebDAV & SmartAttach” setting on the server. It is recommended that this link is set to HTTPS on the server. |
Ports
|
Port number |
Description |
|---|---|
|
143 |
Incoming IMAP port for plain connection |
|
993 |
Incoming IMAP port for secured connection (SSL) |
|
25 |
Outgoing SMTP port for plain connection |
|
465 |
Outgoing SMTP port for secured connection (SSL) |
|
110 |
Incoming POP3 port for plain connection |
|
995 |
Incoming POP3 port for secured connection (SSL) |
|
80 |
HTTP port for complement services (WebDAV) |
|
443 |
HTTP port for complement services (WebDAV) |
|
5229 |
HTTP port for complement services |
