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216.73.216.182
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mtaproxy5.free.mail.vip.bf1.yahoo.com
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216.73.216.182
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mtaproxy5.free.mail.vip.bf1.yahoo.com
SPF record
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No SPF record
No SPF record found for mtaproxy5.free.mail.vip.bf1.yahoo.com
check TXT records