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servers treat them as suspicious There's no SPF, DKIM, or DMARC record tied to the mail — a red flag for spam filters There's no delivery log, so when an email is

the name live.news.yourdomain.com✓ available 2Your DKIM must be validatedOnly domains with a validated DKIM signature are offered. Not done yet? Settings → SPF

short: always confirm before you act. A sudden dip may be a real red flag—or it may just be that one email missed the mark. Step 2 — Verify SPF, DKIM, and DMARC

first send. 1. Authentication (SPF / DKIM / DMARC) SPF — authorises Mailpro to send for your domainDKIM — cryptographic signatureDMARC — protects against

. Then configure: SPF — authorises Mailpro to send for your domain DKIM — cryptographically signs your emails DMARC — protects against spoofing Pro tip: Mailpro

senders rarely run their own SMTP server; they use a managed relay that handles authentication (SPF, DKIM, DMARC), IP reputation, throttling and bounce

, deliverability is influenced by both your sending behavior and your technical setup — especially SPF, DKIM, and DMARC authentication, plus the infrastructure used to

DMARC, SPF, and DKIM: These authentication protocols help verify legitimate senders and reduce phishing risk. Stay Updated: Regularly update software and systems

SPF, DKIM, or DMARC. When an email is received, the recipient's email server checks the sender's IP or domain against the RBL. If it matches an entry on the list

Sending to invalid or expired mailboxes High — signals a non-permission-based list Unauthenticated sending No SPF, DKIM or DMARC published Medium — cumulative