Block a user
Authenticated submission listener
Write received messages to Maildir
Reject mail for unknown domains
Receive inbound mail for local domains
Basic SMTP listener using
emersion/go-smtp
Build script: watch mode for local dev
Search: client-side (pagefind or simple JSON index)
Template: Arcline design system header/footer/sidebar
Simple Go Markdown → HTML builder (goldmark)
Acceptable Use Policy summary
Arcline nameservers and DNS records
What SPF, DKIM, and DMARC actually do (and how to set them up)
Self-hosting without a CDN: performance tips