Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Rechercher dans l’assistance

Évitez les escroqueries à l’assistance. Nous ne vous demanderons jamais d’appeler ou d’envoyer un SMS à un numéro de téléphone ou de partager des informations personnelles. Veuillez signaler toute activité suspecte en utilisant l’option « Signaler un abus ».

Learn More

unable to send mail error 5.7.1 we were unable to deliver your message. Please try resending your message by adding some text. What does that mean?

  • 1 réponse
  • 1 a ce problème
  • 1 vue
  • Dernière réponse par Happy112

more options

So I have text in the message, It doesn't matter how much or how little. Anyone else have this happening? How do I fix it?

So I have text in the message, It doesn't matter how much or how little. Anyone else have this happening? How do I fix it?

Toutes les réponses (1)

more options

Hi,

As Firefox doesn't 'do' email, would you please take a look at this article :

https://support.mozilla.org/en-US/kb/problems-with-email-how-to-find-help

In case you are using Thunderbird, you can post your question on their support forum :

https://support.mozilla.org/en-US/products/thunderbird

(Click on 'Ask a Question' at the top of the page)

However, if you're using Yahoo Mail - I found this thread  :