nSMTP
(simple mail transfer protocol) uses MX records to find the destination mail
server.
nIf a
mail is sent to olaf@ripe.net the sending mail agent looks up Ôripe.net MXÕ
nMX
record contains mail relays with priority.
uThe
lower the number the higher the priority.
u
nDonÕt
add MX records without having a mail relay configured.