Hey 
first i got this text in my template:
and it should look like this:
(i dont know why i have now in my Invoice Desing and on the emails the text of invoice ninja, because my license should work until 15.04.2021 but this is another thing)
but it looks like this:
Now i changed the text to this:
and the email looks correctly but when i receive it on my iphone, it looks like this:
i dont know how to change it, that <!DOCTYPE html … etc. is in the email.
ty