![Thunderbird logo](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/products/2024-02-12-07-36-53-599028_1.png)
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.
Wšě wotmołwy (1)
Is there an attachment to the email? What is its file extension?