One of the most popular tools for managing email is Microsoft Outlook for Windows (Microsoft Outlook for Microsoft 365). This is the version of Outlook that comes pre-installed on modern Microsoft Windows 11 systems.

Below we show how to connect an email account hosted on our infrastructure to Outlook for Windows, and how to configure the settings for a secure, encrypted connection.

The screenshots below are for illustrative purposes, and the email address “demo@trustservers.gr” is used as an example. Replace it with your own domain.

Initial Account Setup

When you open Outlook for the first time, you will be presented with the following screen where you enter the email account you want to connect (e.g. demo@yourdomain.com) and click “Continue”.

Choosing the Right Connection Method

Next, the connection method for the email account is displayed at the top (default option: IMAP). If you want to choose a different connection method, such as POP, click the “Select provider” button.

Secure IMAP Connection Settings

Enter your email account password and click “Show more” to display additional information about the connection settings for the server where your emails are hosted. The settings below apply to an IMAP connection and are also described in detail in our article.

In summary, the secure IMAP connection settings are as follows (example, if your domain is “yourdomain.com” and your email is “demo@yourdomain.com”):

IMAP Incoming server: mail.yourdomain.com
Port: 993
Secure connection type: SSL/TLS (recommended)
SMTP username: demo@yourdomain.com
SMTP password: Leave the SMTP password field empty — Outlook will automatically use the same password as the incoming server.
SMTP Outgoing server: mail.yourdomain.com
Port: 465 or 587
Secure connection type: SSL/TLS (recommended) or StartTLS

Note: yourdomain.com is used as an example — replace it with your own domain name.

Once all settings have been entered correctly, click the “Continue” button.

Syncing the IMAP Account to the Microsoft Cloud

Next, an informational message appears explaining that in order to complete the connection with Outlook, your emails will need to be synced through the Microsoft Cloud rather than directly from your email server. In practice, this means the following:

• Your emails will pass through Microsoft’s servers (which you may not want)
• Contacts created in Outlook will be stored in the Microsoft Cloud
• Events and your calendar in general will be stored in the Microsoft Cloud

Completing the Setup Process

Once your account has been successfully connected to Outlook, you will be taken to the main screen and the process is complete.