Why do you use bmsend.com instead of benchmarkemail.com & what is it exactly?

Bmsend.com is the domain name used for Clients/Customers Benchmark Email Authentication for outbound mails. Benchmark Email Authentication here means to sign each mail with digital signatures to avoid forgery or spoofing of outgoing mails. The digital signatures comply properly with the Domain Keys & DKIM [Domain Keys Identified Mail] protocols / standards. To enable customers for Benchmark Email Authentication, a unique sub-domain is created under the main domain "bmsend.com." This