October 2026 edition
Latest
Sixty-Nine Percent Spoofable: Email Authentication and Transport Security Across the Top One Million Domains
69.1% of mail-enabled Top 1M domains are spoofable, down from 70.9% in July. Most of that move is one parked-domain portfolio. 1,000,000 domains.
69.1%
of mail-enabled domains are spoofable
1.80%
have enforced transport security
53.9%
of domains with a live RSA key expose a 1024-bit or weaker key
0.34%
deploy the full defensive stack
The short version
Could a Criminal Send Email in Your Company’s Name? Seven in Ten Mail Domains Still Say Yes.
The October 2026 census without the jargon, with the July 2026 numbers beside it. About five minutes to read.
7 in 10
mail domains can still be impersonated
60×
gap in enforcement between Proofpoint and Namecheap customers
1.8%
have enforced transport encryption
0.34%
deploy the full defensive stack
Read the short version