Discover the rich features in PowerMTA that help you adopt and adapt to changing email authentication standards including support for DKIM and SPF and setup for DMARC via an automated testing tool.
Sender Policy Framework (SPF) is used to authenticate the sender of an email. With an SPF record in place, email providers can verify that a mail server is authorized to send email for a specific domain. You can Lookup or Generate the SPF record.
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