Custom domain name and SSL
I set up mailbox with an external alias to my own domain name. Everything works fine, but if I try to send an email to myself from the web interface, if shows the recipient (myself) with a gray SSL icon and the message "Currently we don't have informations about a possible SSL/TLS-encryption to the recipient's mailserver". Are emails sent to my custom domain names sent without SSL, or is this just some UI bug? How does it determine if the server supports SSL?