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Email Infrastructure & Deliverability
DKIM/SPF/DMARC, spam filtering, warmed IPs, and content/reputation signals.
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Analysis (93 — SOC146 — Phishing Mail Detected — Excel 4.0 Macros)
17+ hour, 26+ min ago (531+ words) Analysis of LetsDefend phishing case scenario (93 — SOC146 — Phishing Mail Detected — Excel 4.0 Macros). So in this case we are given a potential phishing email alert and we have to identify and classify whther its a true postive or false positive using email…...
Cold Email Isn’t Dead. Your Template Is.
19+ hour, 40+ min ago (1059+ words) The genre has a terrible reputation it mostly earned. Here’s what the replies that actually land have in common, and why most outreach never gets close. I sent 200 cold emails before I got a single meaningful reply. Not because cold…...
A DMARC report is mail no human reads, and ours was being forwarded anyway
23+ hour, 10+ min ago (493+ words) CogniPrep takes inbound mail through a Resend webhook. Someone writes to a support address, Resend posts an event, and our route fetches the raw message, parses the MIME, and re-sends it to the inbox a human actually reads. It is…...
Transactional Welcome Email Explained: Custom Domains and Template Ownership
1+ day, 8+ hour ago (435+ words) Send transactional email from a dedicated subdomain, authenticate it with SPF and DKIM, publish a DMARC policy, and keep the template contract in the application team's repository. The deciding constraint is ownership: a marketplace order notice is part of the…...
12 security vendors flagged my website as phishing. Here’s what I had to do
1+ day, 17+ hour ago (170+ words) A couple of days ago someone left a comment under my last post here: “Browser is blocking Netfox site, can’t download”. Blocking? My site? The one with the docs and the screenshots of a network monitor? I opened it. It…...
Fast DMARC Lookup To Inspect Domain Message Authentication Records
1+ week, 5+ day ago (667+ words) DMARC is an authentication protocol that works on SPF and DKIM (Sender Policy Framework and DomainKeys Identified Mail). When properly configured, DMARC will prevent spammers and other bad actors from sending emails that look like they are from your domain…...
Buy Hotmail Account Security Tips for Professional Users
2+ day, 7+ hour ago (1325+ words) When researching options to obtain a Hotmail account, security should be a priority. An email account can contain sensitive conversations, personal information, password-reset messages, and important documents. Choosing an account without understanding its ownership or security history may expose users…...
Malaysia blocks billions of scam calls and messages, but how big is the threat?
2+ day, 19+ hour ago (466+ words) SHAH ALAM – Malaysia has blocked more than 5.7 billion scam-related calls and short message service (SMS) messages, with the government now planning an artificial intelligence (AI)-powered application to help the public identify potential scams before making financial transactions. Prime Minister…...
Waitlist Benchmarks: Conversion, Referral & Email Rates (2026)
2+ day, 23+ hour ago (471+ words) "How many signups should my waitlist get?" is the wrong question until you know what good looks like. This page collects the formulas behind the numbers and the benchmark ranges to aim for — so you can set targets that hold…...
Custom Domain Beats Shared Sender — Transactional Welcome Email Setup for SaaS
4+ day, 7+ hour ago (718+ words) TL;DR: publish one SPF policy, sign with DKIM, start DMARC in monitoring mode, retain the DNS and aggregate-report evidence, and promote enforcement only after every legitimate sender aligns. Do not treat pixel opens as delivery proof. The operational constraint…...