The closing or sign-off message indicates the end of the email.

Emails are usually ended with phrases such as Sincerely, Best Regards, Best followed by your signature. The signature usually includes your contact details and name.

Informal messages don’t necessarily need formal sign-offs.

Formal and Informal Sign Offs

Formal Sign-offsInformal Sign-offs
Yours sincerelyThanks
Yours faithfullyTake, care
Kind regards 
Best wishes