Install SPF
The Sender Policy Framework (SPF) is an open standard specifying a technical method to prevent sender address forgery. Setup TXT record in your nameserver v=spf1 mx ip4:255.255.255.255 ip4:255.255.255.254 ~all mx
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The Sender Policy Framework (SPF) is an open standard specifying a technical method to prevent sender address forgery. Setup TXT record in your nameserver v=spf1 mx ip4:255.255.255.255 ip4:255.255.255.254 ~all mx
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