On Wed, 25 Mar 2009, Jose Fragoso wrote: > Hi, > > If a host is responsible for sending outgoing messages from multiple > domains, should it always use the same HELO command (ie. the same > hostname) or could it use a different HELO command when sending > mail from different domains? > > Thanks for your help. > > Regards, > > Jose. > The HELO command should match the hostname, and the hostname must match the reverse DNS for the email to be accepted by any RFC complaint mail server.
Lee
