Fix Outgoing Connection Errors - Outlook
This tutorial will instruct you on how to configure Outlook to work with Internet Service Providers that do not allow connections on port 25.
The most common error this fixes is the relay error 550 5.7.1.
Step 1 - Open Outlook
Step 2 - Open Email Accounts
Click on the Tools menu and select E-mail Accounts
Step 3 - Modify Account
Select View or change existing e-mail accounts and click Next
Select your email account and click Change
Click More Settings
Click the Advanced Tab and change the Outgoing server (SMTP) port from 25 to 2525.
Click OK to save the changes. Click Next and then Finish.
Article ID: 27, Created On: 6/15/2011, Modified: 5/21/2018