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Issue with new message

Hi, Any new message I create in Thunderbird is covered with pages of uncomprehensible characters which I need to delete before starting to write my text

Hi, Any new message I create in Thunderbird is covered with pages of uncomprehensible characters which I need to delete before starting to write my text
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Chosen solution

The -- at the beginning indicates the signature block, but it appears a pdf file is attached. Only picture, html and text files are valid. Signature settings are in Account Settings.

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I suggest closing thunderbird and rebooting and see if this repeats.

Chosen Solution

The -- at the beginning indicates the signature block, but it appears a pdf file is attached. Only picture, html and text files are valid. Signature settings are in Account Settings.

This was indeed the issue, I removed all signatures and now the new message is clean. Many thanks

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