This page is out of date, please use our new website https://surgemail.com
If you see this error reported by your mail server or mail client:
451 Failed Naked LF see https://netwinsite.com/surgemail/help/smtplf.htm
This occurs because your client or the original client that sent this mail message sent LF characters without preceeding them with CR characters. This is faulty behaviour and not permitted by the SMTP RFC.
We offer the following solutions: