Letterbox
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Letterbox Documentation

Letterbox Documentation

  • Basics
    • Sign up and log in ⇨
    • Logging in and logging out ⇨
    • Delete account ⇨
  • Contact form alternatives
    • Hosted contact form ⇨
  • Profile
    • Add a recipient ⇨
    • Create a contact form ⇨
    • API keys and request tokens ⇨
    • Custom contact form reference ⇨
    • Custom redirect URLs ⇨
    • Custom email subject line ⇨
    • Expected languages ⇨
    • Custom branding & form styling ⇨
  • Membership
    • Purchase membership ⇨
    • Renew membership ⇨
    • Upgrade membership ⇨
    • Downgrade membership ⇨
    • Cancel membership ⇨
  • Security
    • Two-factor authentication (MFA) ⇨
    • Domains ⇨
  • Known issues ⇨
  • Support & FAQ ⇨
  • About ⇨
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