Zakaria MAMOUMI

Is Lovable secure? The builder scans your app before you publish, but what your Supabase policies actually allow is a separate question.

Lovable's own docs say its scans "do not replace a thorough security review." So I built an audit tool for apps made with Lovable, Bolt, Base44...

"No DKIM record found": usually the checker asked for the wrong selector. How to find the right one in an email header.

A DKIM key has no fixed address. It lives at selector._domainkey.[your domain], and the selector is chosen by whoever signs your mail. DNS has no query that...

SPF "too many DNS lookups" (PermError): how to count them, and why it only breaks for some of your senders.

RFC 7208 sets the limit at 10. What counts: • include, a, mx, ptr, exists and redirect: 1 lookup each, including the ones nested inside your providers' includes. • ip4, ip6...

How to back up n8n workflows and credentials, and the two things that break the restore.

Most guides stop at "export your workflows". Here is what my self-hosted n8n template saves every night, checked against the n8n docs:

What to save • The database (PostgreSQL here). Workflows,...