Configure your Alibaba Mail Enterprise account in Outlook for Windows using IMAP or POP3. Other Outlook versions can follow the same general steps.
Step 1: Start Outlook 2021. Go to File > Info > Add Account.
Step 2: Select Email Account and click New.
Step 3: Select Manual setup or additional server types and click Next.
Step 4: Select POP or IMAP and click Next.
Step 5: Enter your account information. The following example uses the POP3 protocol.
POP3 protocol settings
Incoming mail server: pop.sg.aliyun.com or pop3.yourdomain.com
Outgoing mail server: smtp.sg.aliyun.com or smtp.yourdomain.com
IMAP protocol settings
Incoming mail server: imap.sg.aliyun.com or imap.yourdomain.com
Outgoing mail server: smtp.sg.aliyun.com or smtp.yourdomain.com
Note: In the User Name field under Logon Information, enter your full email address, such as a***@example.net.
Step 6: Click More Settings and go to the Outgoing Server tab. Select My outgoing server (SMTP) requires authentication, and then select Use same settings as my incoming mail server.
Step 7: Go to the Advanced tab.
For enhanced security, use an SSL-encrypted connection. Ensure that ports 465, 995, and 993 are open on your local computer and network.
Post Office Protocol 3 (POP3):
Incoming server (POP3) port: 110 or 995 (encrypted)
Outgoing server (SMTP) port: 25 or 465 (encrypted)
IMAP protocol:
Incoming server (IMAP) port: 143 or 993 (encrypted)
Outgoing server (SMTP) port: 25 or 465 (encrypted)
Step 8: Click Next. The system tests your account settings.
If the tests pass and the status shows Completed, your account is ready. You can now send and receive emails in Outlook.