Tagged “api”

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3 articles

7 June 2026 · 14 min read

Amazon SES at scale: deliverability and DMARC

Amazon SES is deceptively easy to start with and deceptively hard to run well at volume. Verifying a domain, adding three DNS records and firing your first message takes an afternoon.

3 June 2026 · 16 min read

Automating DMARC, SPF and DKIM with the DMARC Engine API

Most teams start with email authentication as a one-off project: someone fixes the SPF record, publishes a DKIM key, sets a DMARC policy, and moves on.

4 May 2026 · 15 min read

Email authentication for Mailjet: SPF, DKIM and DMARC

A Mailjet-specific guide to SPF, DKIM and DMARC: the exact spf.mailjet.com include and why you can skip it, the mailjet._domainkey DKIM record, why the bnc3.mailjet.com return-path breaks SPF alignment, how to set a custom return-path, and the staged path to p=reject without losing mail.