Follow the guidelines for Mac os mail SMTP settings On your Mac computer, go to Mail--Preferences--Accounts--Server Settings--Outgoing...

Step 1:Click Start the Windows and go to the Mail app. Step 2:Right-click the email address and select Account Settings. Step 3:Access...

Use mail.attbi.com for all three types of servers. Incoming Server: inbound.att.net/ imap.mail.att.net Port: 995/ 993 Security: SSL...

Follow the steps for Btinternet SMTP settings Step 1:Launch Outlook. Click File--Account Settings--Email on New. Step 2:Turn on Server...