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Email

Thunderbird Send and receive email
frisée replied
Paul Haigh
Paul Haigh

Everytime I try to send an email, this message pops up. See image. I have not altered any settings since my last email.

Everytime I try to send an email, this message pops up. See image. I have not altered any settings since my last email.
Pridėtos ekrano nuotraukos

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frisée
frisée

Is there an attachment to the email? What is its file extension?