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Computer101<br />
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I have an e-mail gateway server(running sendmail-8.13) that I would like to handle SMTP connection from LAN(this works). BUT i want it to be able to receive emails from specified domains only... eg i would like it to receive emails from yahoo.com and reject all other domains.<br />
How do i configure sendmail to do that?<br />

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I have an e-mail gateway server(running sendmail-8.13) that I would like to handle SMTP connection from LAN(this works). BUT i want it to be able to receive emails from specified domains only... eg i would like it to receive emails from yahoo.com and reject all other domains.
How do i configure sendmail to do that?


Configuring Sendmail to accept email from specific domains only and reject email from  other domains

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.