Raj Kapoor This ToolTrusted study breaks down DMARC adoption by TLD — measured from live DNS across the top 10,000 domains in the Majestic Million in June 2026. Headline averages hide enormous variation: depending on the top-level domain, the share of sites that actually enforce DMARC ranges from 11.0% to 79.0%. Looking at DMARC adoption by TLD … Read more
S/MIME vs PGP is the decision every organisation and individual faces when they decide to encrypt email end to end. Both standards scramble a message so only the intended recipient can read it, and both add signatures that prove who sent it — but they take opposite approaches to the hardest problem in cryptography: deciding … Read more
PGP encryption is the decentralised way to send email that only your intended recipient can read. Where corporate mail leans on certificate authorities, PGP encryption puts trust in the hands of users themselves: you generate your own key pair, share your public key, and verify other people’s keys directly. PGP email encryption is the technology … Read more
S/MIME encryption is the most widely deployed way to add end-to-end confidentiality and verified sender identity to ordinary email. Built into Microsoft Outlook, Apple Mail and most enterprise clients, S/MIME encryption uses certificates issued by a trusted Certificate Authority to scramble a message so that only the intended recipient can read it — and to … Read more
The best email deliverability tools answer three different questions: will this message land in the inbox, what is my sending reputation right now, and why did a campaign go to spam? No single tool does all three well, so the right toolkit usually combines a placement tester, a reputation monitor and a spam-score checker — … Read more
Choosing the best DMARC software is really about choosing how much you want a tool to do for you: parse the raw XML reports your domain receives, identify which services are sending as you, and guide you safely from monitoring to full enforcement. The best DMARC software turns a flood of unreadable aggregate reports into … Read more
The bulk sender requirements introduced by Gmail and Yahoo in February 2024, and extended by Microsoft in 2025, changed email forever: authentication and good sending hygiene are no longer best practice but enforced entry rules. If you send in volume and do not meet the bulk sender requirements, your mail is rate-limited, sent to spam, … Read more
Mailjet Review 2026 — verdict at a glance: Mailjet is a solid, fairly priced email platform that does something most rivals do not — it handles both transactional and marketing email from one account, with unlimited contacts on every plan and a real-time collaborative editor that lets a whole team work on one campaign at … Read more
SendGrid Review 2026 — verdict at a glance: Twilio SendGrid is one of the most trusted names in email infrastructure, and this SendGrid Review 2026 rates it a strong pick for developers and high-volume senders who need reliable transactional email plus campaigns at scale. Its industry-leading deliverability reputation, robust API and SMTP relay, and deep … Read more
DNSSEC (DNS Security Extensions) cryptographically signs your DNS records so that resolvers can prove the answers they receive are authentic and unaltered. For email, that matters more than it first appears: every modern email-authentication mechanism — SPF, DKIM, DMARC, MX, MTA-STS, TLS-RPT and BIMI — lives in DNS, and DNSSEC is what stops an attacker … Read more