DTU signature in Thunderbird

To add a standard DTU signature to your mail in Thunderbird.

You can find your signature on Inside under your profile:

https://www.inside.dtu.dk/dtuinside/generelt/settings/min-profil

Open a new message in Thunderbird
Copy and paste the signature with or without logo to the empty message
Save the message with 'File->Save As'
In 'Tools->Account Settings' mark 'Attach this Signature' and choose the file you just saved