no you don't, you run an mta bound to 127.0.0.1 and smarthost out sendgrid/whatever-your-outbound-relay-is. this has been standard practice forever. if you qu

no you don't, you run an mta bound to 127.0.0.1 and smarthost out sendgrid/whatever-your-outbound-relay-is. this has been standard practice forever. if you quiz 10 sysadmins to name a single config variable for sendmail, most will answer "DS".* mta's have been doing asynchronous message queuing loooooong before it was cool with web developers. *note, the ones who go off on a tangent about mta holy war's are the bad ones