An Open Relay is the term for an SMTP server that will accept messages from any email address and forward that email to any other address. Spammers love open relays. They seek them out. Many third-party email server's default their configuration to be an open relay. You will never hear this term in conjunction with an Intellipeer Email Server; it does not support or allow open relaying of email.
Is where an e-mail server processes a mail message that that neither originates or ends with a user that is within the server's local domain.
a computer that accepts e-mail bound for other destinations and then resends the messages anonymously
a machine that allows any machine to send email through it to any other machine on the internet
a machine that permits random people to send mail through it sans authentication
a mail server on the Internet that will accept email from anywhere and send it to any destination that is not local to it
a mail server that accepts all messages, regardless of whether they are coming from authorized users of the server or are destined to users on that server, and attempts to deliver them to its ultimate destination
a mail server that accepts mail from anyone and sends it anywhere," Lalor said
a mail server that allows anybody to utilize its features to send a piece of email from one party to another
a mail server that allows anyone from anywhere on the Internet to send email through it to a remote recipient
a mail server that allows transmission of email from unknown sources to destinations outside its own network
a mail server that is capable of processing messages where neither the sender nor the recipient is a local user
a mail server that permits anybody on the Internet to send email through it
a mail server that will accept a message for any destination, from any source
a mail server that will accept and deliver mail from anywhere to anywhere
a mail server that will accept e-mail from anyone and forward it on
a mail server that will allow anyone to connect and send an email to anyone else
a mail server that will relay mail where neither the sender nor recipient is an authorised user of your network
a mail server which will accept mail from anyone and forward it to anyone
a misconfigured mail server, and it contributes to the spam problem by allowing unverified email to pass through it
an email message transfer agent (MTA) that will deliver any mail for any sender
an e-mail server that is configured to accept and transfer e-mail on behalf of any user anywhere, including unrelated third parties, which allows spammers to route their e-mail through servers of other organizations, disguising the origin of the e-mail
an email server that is configured to accept and transfer email on behalf of any user anywhere, including unrelated third parties, which allows spammers to route their email through servers of other organizations, disguising the origin of the email
an MTA A mail transfer agent or MTA (also called a mail server, or a mail exchange server in the context of the Domain Name System) is a computer program or software agent which transfers electronic mail messages from one computer to another
an MTA , or mail server, which is configured to pass along messages sent to it from any location, to any recipient
an SMTP server that anyone can point to to send an e-mail
an SMTP server that is not correctly configured and so allows third-parties to send e
an SMTP server that will accept mail from anyone, for anyone, regardless of domain
a server which can be hijacked and used by spammers to anonymously transmit their messages
a Simple Mail Transfer Protocol (SMTP) server, which allows third-party relay of email messages
a system that will allow anyone to send mail through that system from anywhere to anywhere
a way of configuring a machine that sends outbound mail to let anybody and everybody use that machine to send the mail
a webserver that will accept mail and deliver it no matter who it's from
An email server processing mail where sender and receiver are not local users. Such servers are often open to attack, and are sometimes seized by hackers who use them to send large amounts of spam.
An SMTP e-mail server that lets third-parties relay e-mail messages. This opens the door for spammers to use your network as a spam factory. All too often, this leads to crashing servers and getting your email blacklisted. That's bad for business. trimMail Inbox prevents spammers from using your Microsoft Exchange or other e-mail server as an open relay. When properly installed, trimMail Inbox will prevent malicious senders from using your mail server as an open relay. We back this pledge with our exclusive 200% No Relay Guarantee for trimMail Inbox.
An SMTP email server that allows outsiders to relay email messages that are neither for nor from local users. Often exploited by spammers and hackers.
An SMTP mail server used by spammers to route their bulk email through. Open Relays allow spammers to hide their identity.
Most modern email servers will not allow unauthorized users to send email through them. Some email servers, however, will allow outsiders to send (or relay) email through them. These servers are known as "Open Relay Servers".
SMTP email server that allows the third-party relay of email messages through the SMTP "port" on a server (port 25). While this feature of SMTP servers has legitimate uses, spammers have learned how to locate unprotected servers and use them to send spam.
An open relay is an SMTP email server that allows third parties to relay email messages that are neither for nor from local users.
A term to describe an incorrectly set up computer that is typically abused by Spammers to send unsolicited email.
Early in the Internet's history, everybody was allowed to use everybody else's SMTP server to send mail messages. The server would take the email message and forward it to the intended recipient. Spammers exploited that trust and sent unsolicited messages through somebody else's mail server, thereby masking their real identity to the recipient. This is why most mail servers will not accept messages for relaying today. Servers that will accept such messages are known as open relays.
A mail server that will route e-mail from any originator without authentication, more information ...
A SMTP server that allows sending email messages without the need of any kind of authorization. It is a SPAMmers heaven.