Sender ID
Sender ID is an anti-spoofing email framework heavily based on SPF.
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Sender ID is an anti-spoofing email framework heavily based on SPF.
Nakladatelstv� Vestri - Knihy a tituly autor� Miloslav Nevrl�, Miloslav Ful�n, V�ra Kouteck�, Ludv�k Kunc a Karel Stein