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Thunderbird Email Problem Using Multiple Email Addresses??

Posted on October 11, 2026 by Wayne A. English
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G

etting an error like this: AUP#Out-1500 when you send or maybe when you reply to an email?

Every email address that you have in Thunderbird requires a unique Outgoing Server address. To update or choose from your list do this:

  1. Right click on the address that’s in trouble.
  2. Click on Account Settings.
  3. Scroll to the bottom to find: Outgoing Server
  4. Enter a unique, meaning don’t reuse any outgoing server already listed.
  5. Close.
  6. There you go, problem solved.
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Wayne English was born in Connecticut, lives in Coventry with his wife and daughter. Wayne's writing background includes local, national, and international publications, five books, and publications online and in-print.

He’s worked as an Engineering Technician, Computer Scientist, and Senior Technician, in electric distribution, nuclear power, and Information Resources.

Wayne has taught writing for print and the web, marketing, the mathematics, physics, and metric system sections of a health physics program, software quality assurance, first aid, and photography. See WayneAEnglish.com.

Wayne’s Publications

See Wayne's books, newspaper articles, online and print publications, and poetry by following this link.
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