From p=none to Enforcement: A Working Sequence for DMARC Rollout
From p=none to Enforcement: A Working Sequence for DMARC Rollout DMARC adoption is easy to start and hard to finish. Publishing a policy record take…
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Gmail bounced everything the relay sent: three broken auth mechanisms and a silent OpenDKIM
Short answer: Three independent mechanisms were broken at once, and fixing any one of them changed nothing visible. The domain had no v=spf1 record…
Transactional Welcome Email API: Provider Templates Beat Custom-Domain Repository Setup
Short answer: for a Node.js logistics portal, use an API-based transactional welcome or password-reset email flow with provider-owned templates; kee…
[Перевод] Self-hosted почта на arch linux, postfix, dovecot и let's encrypt
В этой статье я покажу, как настроить свой почтовый сервер для аккаунтов локальных пользователей без веб-морд, docker-ов, телеграм-помоек и LLM-высе…
Как один баг в sendmail создал эру спама и привёл к SPF, DKIM и DMARC
Когда в мае 1978 года Гэри Туерк, маркетолог из Digital Equipment Corporation, отправил 400 сотрудникам ARPANET приглашение на презентацию компьютер…
How to set up DKIM for Zoho Mail
Originally published on mailermonk.com . Cross-posted here for reach — the canonical version lives on MailerMonk. About this guide Zoho Mail is a bu…