If
something@YourDomain.com" andThen you might want to add an SPF record to your DNS to prevent false-positive spam detection for outgoing emails. Add the following TXT record to your DNS server:
domain.com. IN TXT "v=spf1 a:hmail.jitbit.com a:hmail2.jitbit.com ~all"
Where "domain.com" should be replaced by your domain, that is being used in the "from" address. If your domain already has an SPF record make sure you add the "a:hmail.jitbit.com a:hmail2.jitbit.com" part to it.