Datei / Anhang per eMail versenden

[chats]

There is an folder .Maildir in my root. But the folder is emty.
Can't find where to place the smtp credentals.

 

[chats]

No i get the following message when i try to send an eMail:

SMTP session failed: 554 5.7.1 Database error. / This is not one of your allowed aliases

I think mutt can connect to the smtp Server but can not send the eMail due the error message above.
Do you or someone else have an idea?