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Home > Common Problems and Fixes > Resolving Header Syntax Errors While Posting on UsenetServer
Resolving Header Syntax Errors While Posting on UsenetServer
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Resolving Header Syntax Errors While Posting on UsenetServer

Encountering "440 Posting Failed - Header Not in Internet Syntax" when posting to Usenet via UsenetServer? It’s usually due to formatting mistakes in your headers.

Possible Causes

  • Improper email address format

  • Subject line errors

  • Use of unsupported characters

Resolution Steps

  1. Fix 'From' Email Format: It should look like [email protected]. Doesn’t need to be real.

  2. Provide a Subject: Avoid blank subjects and symbols.

  3. Stick to ASCII Characters: Do not use emojis or special characters.

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