Summary: the e500 is configured to pass incoming email to the mail server and outgoing mail to the SMTP relay server Any MX mail exchange records that point to the mail server need to be red irected to the e500 so that incoming mail goes through it first before ging to the mail server Finally the mail server needs to direct outgoing mail through the e500 The e500 email
Image Dimensions: 800 x 571
Image originally found here.