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BNবাংলা#DMARC
DMARC protects your domain from being used in fake e-mails. Articles tagged here explain the record, its policies and its reports in plain words. They show how to start with monitoring and move safely to an enforced policy. Examples include records for common e-mail providers. You will also learn how DMARC works together with SPF and DKIM. Following these guides helps your real e-mails reach the inbox.
1. 10. 2026 · Čtení: 7 minDMARC Failure Reports (ruf): What They Show and Their Limits
DMARC failure reports send details of individual messages that fail checks. Learn what ruf and fo do, why few providers send them, and privacy…
29. 9. 2026 · Čtení: 8 minBackscatter: Why You Get Bounces for Emails You Never Sent
Getting bounce messages for emails you never sent? That is backscatter from spoofed spam. Learn how to tell if you were hacked and how…
22. 9. 2026 · Čtení: 8 minHow to Protect Parked and Unused Domains from Email Abuse
Domains you never use for mail can still be spoofed. Learn the three DNS records that lock down a parked domain and how to…
21. 9. 2026 · Čtení: 7 minEmail Deliverability for Agencies: Managing Client Domains
Agencies often inherit client domains with broken e-mail setups. Learn how to audit, fix and monitor SPF, DKIM and DMARC across many client domains.
17. 9. 2026 · Čtení: 7 minInvoice Fraud by Email: How Small Businesses Stay Protected
Fake invoices and changed bank details by e-mail cost businesses real money. Learn how the scams work and the technical and process defences that…
16. 9. 2026 · Čtení: 8 minDMARC for Subdomains: How the sp Tag Protects Your Domain
Attackers can spoof subdomains you never use. Learn how DMARC applies to subdomains, what the sp tag does, and how to set policies for…
14. 9. 2026 · Čtení: 7 minHow to Authenticate Third-Party Email Senders for Your Domain
CRMs, helpdesks, newsletter and invoicing tools often send as your domain without proper authentication. Learn how to find them and align each with DMARC.
9. 9. 2026 · Čtení: 7 minSPF Softfail vs Hardfail: Should You Use ~all or -all?
Should your SPF record end with ~all or -all? Learn what softfail and hardfail do, how receivers treat them with DMARC, and which ending…
8. 9. 2026 · Čtení: 8 minDMARC Alignment Explained: Relaxed vs Strict Mode
DMARC passes only when SPF or DKIM aligns with your From domain. Learn how relaxed and strict alignment differ, and which mode suits your…
2. 9. 2026 · Čtení: 8 minShould You Send Marketing Email from a Subdomain? Pros and Cons
Sending newsletters from a subdomain can protect your main domain's reputation. Learn when it helps, when it does not, and how to authenticate it…
27. 8. 2026 · Čtení: 8 minEmail Forwarding and Authentication: SPF, SRS and ARC Explained
Forwarded e-mail often fails SPF and sometimes DMARC. Learn why forwarding breaks authentication and how DKIM, SRS and ARC keep forwarded mail deliverable.
20. 8. 2026 · Čtení: 8 minBIMI Explained: How to Show Your Logo in Recipients’ Inboxes
BIMI shows your logo next to authenticated e-mail in supporting inboxes. Learn the requirements, SVG and certificate rules, and whether it is worth it.