Hello @m.roszak,   Before on Home Center 2 and HC2 Lite we used following function to send e-mails: Please login or register to see this code.   and as you can see there was a title and the body of the e-mail. Title was actually used for e-mail subject. This was great since it was possible already from the e-mail subject to see what the message is about.   Now on Yubii Home gateways we use following function: Please login or register to see this code.   Notice that "tit