NOTE: By default, the SMTP server will be connected on port 25 . NOTE: By default, the SMTP server will be connected on port 25. To set-up Scan to Email, first email provider’s settings must be obtained and entered on several screens of the web interface for the Xerox device as shown below Install Requirement Required 03404 Hint,. Nov 04, 2012 · Outlook 2010 SMTP Port 587 Setup. From the File menu, select "Info" and choose "Account Settings". Select your Email account and click the "Change" button above. Click the "More Settings" button in the bottom-right corner of the E-Mail Accounts window. In the Internet Email Settings window, click the "Outgoing Server" tab. 587. 465. 2525. Port 25 is commonly used for SMTP relay, but you should not use it for SMTP submission because most providers block it. If you want to configure your WordPress site or email client to use SMTP, you should start with port 587 as your first choice, as it’s the standard port for SMTP submission. IMAP allows a client e-mail program to access remote message stores as if they were local. Windows Firewall is an application which monitors connections to make them more secure. To grant access reliably, you need to open an IMAP port on the Windows Firewall, which will let the server send and receive packages without disturbance.