How do spam filters know if the email is opt-in?

Discussion in 'General Marketing' started by chantown, Mar 4, 2008.

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  1. #1
    If the person opt-in it.
     
    chantown, Mar 4, 2008 IP
  2. Cafe del Mar

    Cafe del Mar Peon

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    #2
    There's no way for them to know.

    Usually opt-in mails don't get many "mark as spam" marks by users + there's some trust involved.

    If there's a lot "spam" marks - the server just gets blacklisted + there're some technology things like dkim-signatures.

    And even with all that stuff some white mail goes to junk folders sometimes.
     
    Cafe del Mar, Mar 4, 2008 IP
  3. wantmomoney

    wantmomoney Peon

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    #3
    Just stay away from hosting your email with a web host or ISP that is blacklisted and you should be fine. Stick with reputable hosts like bluehost.com or hostmysite.com
     
    wantmomoney, Mar 4, 2008 IP
  4. chantown

    chantown Peon

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    #4
    What if I send mail out of my own server? Will I get blacklisted?
     
    chantown, Mar 4, 2008 IP