How to set up DKIM in Google Workspace: A guide
It is easy to think that once an email leaves your server, it will reach the recipient safely, exactly how it was sent. This usually does not happen because cyberattackers have developed ways to intercept your outgoing emails, modify their content, or impersonate your domain before it reaches the recipient. Since your outgoing email passes…
Complete Guide to Setting Up a DMARC Policy for Gmail Domains
To set up a DMARC policy for Gmail/Google Workspace domains, configure SPF (v=spf1 include:_spf.google.com -all), enable and publish a 2048-bit DKIM key from the Google Admin console (selector._domainkey), then add a DMARC record at _dmarc.yourdomain.com starting with v=DMARC1; p=none; rua=mailto:reports@yourdomain.com; ruf=mailto:forensics@yourdomain.com; fo=1; adkim=s; aspf=s; pct=100 (optionally sp=quarantine/reject), monitor for 2–4 weeks with DMARCReport, escalate to…
How can DMARC lookups help me prove compliance with email security policies?
DMARC lookups help you prove compliance with email security policies by producing verifiable, timestamped evidence of your enforced DMARC configuration (e.g., v, p, rua, ruf, pct, adkim, aspf, sp), which—when stored, correlated with DMARC reports and SPF/DKIM/log data, and demonstrated over time—forms an auditable chain that shows your policies are configured correctly, active across all…
Phishing in 2025: A DMARCReport Perspective on Trends, Risks, and Defense
Phishing is no longer just a nuisance—it has evolved into one of the most persistent and damaging cybersecurity threats facing organizations today. At DMARCReport, we continuously analyze global email traffic, authentication patterns, and attack vectors to understand how phishing is evolving and what organizations must do to stay protected. What the data shows is clear:…
What are the most common reasons a DMARC DNS record fails to be recognized by receivers?
Receivers most often fail to recognize a DMARC DNS record because of syntax or tag-value errors (for example, missing v=DMARC1 or invalid p=), wrong DNS type or placement (DMARC must be a TXT at _dmarc.yourdomain), provider UI formatting or TXT-length mishandling, propagation/TTL and negative caching, DNSSEC or delegation problems, invalid or unverified rua/ruf URIs, duplicate/conflicting…
Fake Google Security, Beware Qatar Scams, AI Targets LinkedIn
Last week was all about the big names that got targeted by threat actors. The attacks look a bit more sophisticated. For instance, cybercrooks have been abusing Google Account security pages to gain access to sensitive data, such as passcodes. Qatar Airways suggests that agents use verified platforms. Australia-based LinkedIn accounts are being easily targeted…
What are the common problems a DMARC generator can help me discover and fix?
A DMARC generator helps you discover and fix SPF issues (excessive DNS lookups, bad include chains, missing ip4/ip6 ranges, syntax errors), DKIM problems (missing/invalid signatures, wrong selector, weak keys, canonicalization mismatches, domain misalignment), DMARC record mistakes (multiple records, malformed tags, wrong p/pct, incorrect or unauthorized rua/ruf URIs), third‑party sender alignment gaps (marketing/CRM/cloud platforms not aligned…
Uniswap Scam Ads, Meta Ads Malicious, ATM Jackpotting Surge
This is the 4th edition of the month, and here are the top 4 cyber mishaps from last week that you must know about. Uniswap Founder has raised concerns around spiked instances of phishing scams. Meanwhile, threat actors have started abusing Meta ads to carry out cyberattacks. Experts witnessed a steep spike in instances of…
550 From Address Violates UsernameCaseMapped Policy: What It Really Means (And How to Fix It Fast)
You send an email expecting it to reach the recipient without any problems. Your domain authentication is set up correctly. The content looks normal. There are no clear mistakes, and everything seems fine from your side. But instead of being delivered, the email returns a hard bounce message: 550 From address violates UsernameCaseMapped policy. This…
CSA Cyber Essentials Mark Now Requires DMARC: A Complete Guide
Cybersecurity requirements are evolving rapidly, and a clear trend is that email security is no longer optional. Organisations can have strong passwords, secure devices, and up-to-date systems, yet still face serious risks if attackers misuse their email domain. This is exactly why the Cyber Security Agency of Singapore has made DMARC mandatory for the Cyber…
Scan Carefully First, Education Under Threat, AI Phishing Surge
Last week was all about phishing attacks that targeted naive users left, right, and center. Research findings revolved around an upsurge in AI-backed phishing attacks, while experts have noticed phishing QR codes as an emerging threat in the cybersecurity landscape. Meanwhile, India has been experiencing 3,100 phishing attacks per week. The silver lining in the…
