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I need a step by step guide to setting up spf on my domain, i currently use exchange server but as i send out and receive using a spam server the spam server is the first place the mail hits and is also used as a smart host on the send connector, i'm not sure what impact that has on the spf settings?
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I need a step by step guide to setting up spf on my domain, i currently use exchange server but as i send out and receive using a spam server the spam server is the first place the mail hits and is also used as a smart host on the send connector, i'm not sure what impact that has on the spf settings?

setting up spf on my domain

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

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.