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SPAMfighter

How to change MX record for spam filtering

Take a look at our graphics below of how mail procesing and spam filtering is really happening.

This is the generel perception of how mail is being handled for the non-expert

This is the generel perception of how mail is being handled for the non-expert
  • You (A) send an e-mail to a remote recipient (B) and it is delivered immediately.

This is what actually happens

This is what actually happens
  • You (A) want to send an e-mail to a remote recipient (D)
  • What actually happens is that your e-mail program sends the e-mail to a mail server (B)
  • The mail server (B) asks a DNS server where in the world the recipient (D) has his e-mails stored
  • The DNS server responds back to the mail server (B) with a so-called MX-record which has the address of the mail server (C) of recipient (D)
  • The mail server (B) sends the e-mail to the recipient's mail server (C)
  • The recipient (D) retrieves the e-mail from his/her mail server (C)

This is how we handle spam when SPAMfighter is enabled and the MX record has been changed

This is how we handle spam when SPAMfighter is enabled and the MX record has been changed
  • You (A) want to send an e-mail to a remote recipient (E)
  • What actually happens is that your e-mail program sends the e-mail to a mail server (B)
  • The mail server (B) asks a DNS server where in the world the recipient (E) has his e-mails stored
  • The DNS server responds back to the mail server (B) with a MX-record which points to SPAMfighter's hosted anti-spam filter server
  • The mail server (B) sends the e-mail to SPAMfighter's hosted anti-spam filter server (C)
  • SPAMfighter checks the e-mail for spam / malware and will only send it to the recipient's mail server (D) if the e-mail was deemed safe
  • The recipient (E) retrieves the spam-free / malware-free e-mail from his/her mail server (D)

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