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, DKIM, DMARC) Authentication is the single biggest factor SpamAssassin checks. Misconfigured records can add several points instantly. Configure your SPF record

verification checkmark. Yahoo Mail: Does not require a VMC to display a BIMI logo (it can use VMC if present to inform eligibility). Requirements at a glance SPF and DKIM

reliable departure gate. Our email is now on the runway. Second 1: The passport check (SPF, DKIM and DMARC) Before the receiving mail server lets your email

needed What the score analyses Authentication: SPF, DKIM, DMARCContent: text-to-image ratio, spam words, HTML tagsIP reputation: public blacklistsTechnical

campaign list and fix the cause before sending again.Authenticate and clean before resendingConfigure SPF and DKIM for your sending domain, and read the broader

twice.Blocked / blacklisted IPCheck Mailpro’s sending IP reputation; pause the campaign.Authentication required / SPF or DKIM failsRe-check SPF, DKIM and DMARC on

, headers and all attachments after Base64 encoding... Read more What Is SPF (Sender Policy Framework)? SPF (Sender Policy Framework) is an email authentication

, typos at signup, old addresses, or missing SPF/DKIM authentication. Cleaning your list before every send is the fastest way to cut bounces — Mailpro flags and

campaigns, the score will appear as "not enough data yet". Good news: The authentication and domain checks work immediately. You can set up SPF, DKIM and DMARC

(simple view) You authenticate mail with SPF and DKIM and enforce DMARC (policy set to quarantine or reject). You host a clean, square SVG version of your logo (BIMI