Raj Kapoor How to prevent email phishing attacks: no single control is enough, so layer them. (1) Authenticate your own domain with DMARC at p=reject so criminals can’t send phishing that looks like it is from you; (2) filter inbound mail through a secure gateway; (3) enforce multi-factor authentication so a phished password alone can’t take over … Read more
How to stop email spoofing of your domain: you can’t stop an attacker from typing your domain into a From field, but you can make receiving servers reject the forgery. Publish an SPF record listing your legitimate senders, enable DKIM signing, then deploy DMARC and move it to p=reject (with sp=reject for subdomains). At enforcement, … Read more
Postmark vs SendGrid is the classic “deliverability specialist versus scalable generalist” decision. Postmark is built to get transactional email into the inbox fast and reliably; SendGrid is built to scale to millions of messages with an optional marketing module. This Postmark vs SendGrid comparison covers deliverability, pricing, features and support so you can pick the … Read more
SendGrid vs Mailgun is one of the most common decisions developers face when choosing a transactional email service — both are mature, developer-first platforms offering API and SMTP sending with similar deliverability reputations. So which should you pick? This SendGrid vs Mailgun comparison breaks down pricing, deliverability, features and support to help you choose, with … Read more
Choosing the best SMTP service comes down to a trade-off between price, deliverability and how much you want to manage yourself. There is no single winner — the best SMTP service for a cost-driven developer is different from the one a deliverability-obsessed SaaS team should pick. This guide ranks and compares the six leading SMTP … Read more
Is SparkPost worth it in 2026? For high-volume and enterprise senders, yes — SparkPost (now Bird Email) still has best-in-class deliverability analytics (Signals, Adaptive Delivery) and proven scale. For small teams, startups and developers it is harder to recommend than it used to be: the Bird rebrand added product confusion and moved higher-volume SparkPost pricing … Read more
Postmark is a transactional email service with a single-minded focus: getting your important messages — receipts, password resets, notifications — into the inbox fast and reliably. It is widely regarded as the deliverability specialist among developer-focused providers, and it keeps transactional and bulk mail on separate IP pools so one never drags down the other. … Read more
Mailgun is a developer-focused email service for sending transactional and bulk email over both API and SMTP. Now owned by Sinch, it is a long-standing favourite of engineering teams thanks to its flexible API, granular logging and built-in email validation. This Mailgun review covers Mailgun pricing in 2026, the features that set it apart, how … Read more
Amazon SES (Simple Email Service) is AWS’s low-cost, high-scale engine for sending transactional and bulk email over SMTP and API. It is not a marketing suite with a drag-and-drop campaign builder — it is a raw sending engine built for developers, and it is by a wide margin the cheapest way to send email at … Read more
Your email bounce rate and complaint rate are two of the clearest signals mailbox providers use to judge you — and letting either climb is one of the fastest ways to wreck your deliverability. Managing them well, by suppressing bad addresses promptly and respecting rate limits, is the day-to-day discipline that protects everything else. … Read more