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    Is SPF Simply Too Hard For Application Developers? devops bsdly.blogspot.com
    jabberwock avatar via jabberwock 1 year ago | cached | 1 comment

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    feld avatar feld 1 year ago | link

    I don’t get the difficulty.

    a mx ip4:1.2.3.4/24 include:mailinglist.com

    Syntax is simple.