Zakaria MAMOUMI

Is it safe to expose the Supabase anon key? Yes, it's built to be public. The key you must never ship is the other one.

Supabase's docs say the publishable key (the newer anon key) is "safe to expose online" and add: "Anyone can read it, so it only reaches what Row Level Security...

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...