Select ‘Mail & Newsgroups Account Settings…’ from the Edit Menu of Netscape.
Enter your email address into the Email Address field.
Change the Server Name setting to mail.smtp2go.com and the Port setting to 2525. You can also try using Port 25, 8025 or 587.
Make sure that Use name and password is enabled, then enter your SMTP Username into User Name.
Make sure that Use secure connection is set to TLS.
Click on the Advanced button.
Make sure that your account’s SMTP server is listed as your Default Outgoing Server.
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