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  • Getting started
    • Use of Free Domains on ImprovMX
    • How to create a Gmail filter to prevent forwarded emails going to Spam
    • Do you Offer any cheaper plans?
    • Can I test my Alias to ensure it is working?
    • Raycast extension
    • ImprovMX Domain (DNS) Validation
    • Why am I getting error: "5.1.9 Domain <yourdomain> is not configured to send emails"?
    • ImprovMX API Rate Limits
    • ImprovMX IMAP, POP, and Incoming Protocols
    • How to use webhooks to receive emails in your apps
    • Aliases on ImprovMX
    • How to enable or disable password login / 2FA
    • Adding DKIM and DMARC records to your domain
    • Testing your forwarding from the same Gmail account
    • "Send mail as" from your alias with Gmail
    • Moving a domain to a different ImprovMX account
    • How to Create a Catch-All / Wildcard Alias in ImprovMX
  • Email deliverability
    • How to view email headers
    • Using MX Records of Multiple Services
    • Can I Whitelist an Email Address?
    • Can I use ImprovMX SMTP to send Bulk Mail / create Mailing Lists?
    • About ImprovMX Spam Filtering
    • Regex Email Forwarding
    • What are MX Records?
    • Can I turn off spam protection?
    • What are the sending/receiving limits?
    • Redirecting an alias to multiple email addresses
    • Why are my emails landing in spam?
    • Gmail SMTP FAQ
    • Error codes returned by ImprovMX’s SMTP servers
    • Why doesn't ImprovMX use MXS domains anymore?
    • What are the allowed attachments?
    • Why does ImprovMX need SPF?
    • Some emails are refused because of Spamhaus, why?
    • What does “Invalid DKIM signature” mean?
    • Does ImprovMX Support ARC (Authenticated Received Chain)?
    • List of supported ciphers by our SMTP servers
    • "Line too long" Error Explained
    • "Too Much Mail Data" Error Explained
  • DNS Configuration Guides
    • How to configure your domain with Google Domains DNS for use on ImprovMX
    • How to configure your domain with Cloudflare DNS for use on ImprovMX
    • How to configure your domain with Namecheap DNS for use on ImprovMX
    • How to configure your domain with DigitalOcean DNS for use on ImprovMX
    • How to configure your domain with Porkbun DNS for use on ImprovMX
    • How to configure your domain with GoDaddy DNS for use on ImprovMX
    • How to configure your domain with Vercel DNS for use on ImprovMX
    • Configure your DNS settings
  • Your ImprovMX Account
    • How do I Delete my ImprovMX Account?
    • I'm on the Business plan. How do I white-label my MX Records?
    • Changing your Notification Email Address
    • How to add a Billing Email Address to your Account
    • How do I view the email logs for my domain?
    • How do I update my Credit Card / Payment details?
    • Privacy / Logging Levels and how to Change them
    • How to Download an Email from your ImprovMX Logs
    • Our logging policy
    • Understanding the Strict MX Verification Setting in ImprovMX
  • ImprovMX SMTP How Tos
    • How to use ImprovMX SMTP with Gmail
    • How to use ImprovMX SMTP with Thunderbird
    • ImprovMX SMTP Settings
  • Glossary of Email Terms
    • SMTP (Simple Mail Transfer Protocol)
    • IMAP (Internet Message Access Protocol)
    • POP3 (Post Office Protocol v3)
  • Optimizing your setup
    • Make your emails stand out with your logo in Gmail
    • How to sign up for a free Google Workspace Essentials Starter account & link it with ImprovMX
  • Go to ImprovMX →

ImprovMX Help Center

Explore our guides and examples to implement our advanced email forwarding solution. A question? Contact us at support@improvmx.com

  • 👋
    Getting started 17 articles
  • 💌
    Email deliverability22 articles
  • 🌍
    DNS Configuration Guides8 articles
  • 👤
    Your ImprovMX Account10 articles
  • 📬
    ImprovMX SMTP How Tos3 articles

    How to use ImprovMX SMTP with various email clients and services.

  • 👋
    Glossary of Email Terms3 articles

    A summary of various email-related terms

  • 👋
    Optimizing your setup2 articles

    Tips and tricks on how to make the most of your ImprovMX email setup.

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