Often referred to as an e-mail server, a device and/or program that routes an e-mail to the correct destination. Mail relays are typically used within local networks to transmit e-mails among local users. Mail relays are particularly useful in e-mail aliasing where multiple e-mail addresses are used but the mail relay forwards all messages to the specified e-mail addresses to one single address.
a host that accepts mail and forwards this mail to the receivers mailbox
a server, normally on the Internet, which can forward mail from its users to other mail servers
a server which forwards mail from one server to another
A server that routes an email to the correct destination. Mail relays are used to forward all mail for the local domain to the mail store.
(Context: computer security) A computer or computers which store-and-forward e-mail for customers. Normally there are no local users on this type of machine. Normally used to remove (from firewalls) the load required to handle/deliver e-mail.
The act of pointing one Domain's MX Record to another IP address, thereby relaying it to another domain.