LYLIX Knowledgebase

Postfix + Dovecot from scratch — production-grade mail on a LYLIX VPS

Running your own mail server is harder than it was in 2005 but it's still very doable. This article walks the full…

Mailcow on a LYLIX VPS — sizing, install, the post-install hardening pass

Mailcow is the easiest way to run a complete production mail stack on a single VPS — Postfix + Dovecot + Rspamd +…

Reading DMARC reports without losing your mind — the XML, the patterns, the action items

If you publish a DMARC record with a rua tag, receiving mail providers send you XML reports daily. Most people look…

DKIM key rotation playbook — rolling keys without breaking inbound mail

DKIM keys should be rotated periodically — annually at least, quarterly if you're being thorough. The trick is…

Getting delisted from Spamhaus, UCEPROTECT, Barracuda — the realistic process

Your IP ended up on a blocklist. The procedure to get off varies by list, but the meta-process is consistent: fix…

Sender reputation for a brand-new VPS IP — the warm-up strategy that actually works

A new VPS IP starts with no sender reputation. Whether the mail you send is delivered, spam-foldered, or rejected…

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