This article is about setting up ports correctly in IceWarp Outlook Sync settings. Specifically, we will talk about the "Login credentials - Connection section" and "Advanced - Auxiliary local server section" tabs.
Please make sure that you already have added the account (profile) to Outlook Sync.
1) Outlook Sync settings
a) Please open Outlook and click on the IceWarp Sync tab
b) then click on settings
2) Login credentials - Connection section
Outlook sync is taking the IMAP port and SMTP port from properties of services from the Remote Console. (Remote Console -> System -> Services -> Double click on SMTP or IMAP service)
You can securely change the port by this list.
When you want to change one of these ports you can, but they have to match the ports in Remote Console. Here is an example:
Basic port: unsecured line (not recommended)
2nd basic port: Start TLS (Trasport Layer Security)
SSL: SSL (Secure Socket Layer)
You can compare this with the previous screenshot in that I have SMTP port set 465 and SSL, which matches the Remote Console.
This means that if you want to use an SMTP port for example 366 you have to change it in Remote Console -> System -> Services first.
You can force these Outlook Sync port settings for all domains, one domain, or one user.
All domains: Remote Console -> GroupWare -> Outlook Sync -> Policies
One domain: Remote Console -> Domain and Accounts -> Choose a domain -> Policies -> Outlook Sync policies
One user: Remote Console -> Domain and Accounts -> Choose a domain -> Choose User -> Policies -> Outlook Sync policies
3) Advanced - Auxiliary local server section
You can see that you can't change these ports, that's because the inner server of Outlook Sync is running.
For users: Don't change these ports. They are set automatically after installation. Outlook Sync has its inner server which is communicating by these ports.
For admin: These ports are set automatically when the installation is completed, but if you have to change these ports because some other program is using them, you have to stop the inner server of Outlook Sync and then you will be able to change POP3 port to any value higher than 5000 and SMTP port to the same ports as you have in Remote Console. Keep in mind that you can use just the SSL port and 2nd basic port) because the inner Outlook Sync server won't communicate over the basic port. By default, if you change the SMTP port in the "Login Credentials" tab you should see the same value in the "Advance" tab.
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