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Twilio SendGrid alternatives · Email Sending

Self-hosted alternatives to Twilio SendGrid

The Twilio SendGrid listing does not say it can be self-hosted. 7 of the 50 other email sending services in this directory can be self-hosted, according to their own sites.

Twilio SendGrid is a paid product with a free trial, starting at $19.95 per month for 50,000 emails. 5 of them are free or have a free plan.

7 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

How each one differs from Twilio SendGrid

  1. EmailEngine

    Self-hosted REST API for Gmail, Microsoft 365 and IMAP mailboxes

    • EmailEngine starts at $199 per month, or $1,450 per year (€169 or €1,200). Twilio SendGrid starts at $19.95 per month for 50,000 emails.
    • EmailEngine is self-hostable, according to its own site.
    • Twilio SendGrid also covers email verification.
    EmailEngine vs Twilio SendGridEmailEngine pricing and details

  2. useSend

    Open-source email sender built on Amazon SES

    • useSend starts at $10 per month, then pay as you go. Twilio SendGrid starts at $19.95 per month for 50,000 emails.
    • useSend has a free plan. Twilio SendGrid does not, though it has a free trial.
    • useSend is open source and self-hostable, according to its own site.
    • useSend also covers email campaigns.
    useSend pricing and details

  3. Plunk

    Open-source email platform for transactional and marketing mail

    • Plunk starts at $0.001 per email sent. Twilio SendGrid starts at $19.95 per month for 50,000 emails.
    • Plunk has a free plan. Twilio SendGrid does not, though it has a free trial.
    • Plunk is open source and self-hostable, according to its own site.
    • Plunk also covers workflow automation and email campaigns.
    Plunk pricing and details

  4. Hyvor Relay

    Open-source email API you can self-host

    • Hyvor Relay starts at €10,000 per year and up (Enterprise License). Twilio SendGrid starts at $19.95 per month for 50,000 emails.
    • Hyvor Relay has a free plan. Twilio SendGrid does not, though it has a free trial.
    • Hyvor Relay is open source and self-hostable, according to its own site.
    • Twilio SendGrid also covers email verification.
    Hyvor Relay pricing and details

  5. MailerQ

    Self-hosted mail transfer agent for high-volume email sending

    • MailerQ starts at €10,000 one-time per instance, plus €2,000 a year for updates and support. Twilio SendGrid starts at $19.95 per month for 50,000 emails.
    • MailerQ is self-hostable, according to its own site.
    • MailerQ also covers inbox warm-up and dMARC.
    • Twilio SendGrid also covers email verification.
    MailerQ pricing and details

  6. KumoMTA

    Open-source mail server for high-volume, self-run email sending

    • KumoMTA starts at $5,000 per billion messages per year for Silver support. Twilio SendGrid starts at $19.95 per month for 50,000 emails.
    • KumoMTA has a free plan. Twilio SendGrid does not, though it has a free trial.
    • Only KumoMTA lists a Linux app.
    • Only Twilio SendGrid lists a web app.
    KumoMTA pricing and details

  7. Forward Email

    Open-source email forwarding and hosting for custom domains

    • Forward Email starts at $3 per month for unlimited domains. Twilio SendGrid starts at $19.95 per month for 50,000 emails.
    • Forward Email has a free plan. Twilio SendGrid does not, though it has a free trial.
    • Only Forward Email lists macOS, Windows, Linux, iOS and Android apps.
    • Forward Email is open source and self-hostable, according to its own site.
    Forward Email pricing and details

Common questions

Is there a self-hosted alternative to Twilio SendGrid?

Yes. EmailEngine, useSend, Plunk, Hyvor Relay, MailerQ, KumoMTA and Forward Email can be self-hosted, according to their own sites.

Can Twilio SendGrid be self-hosted?

The Twilio SendGrid listing does not say it can be self-hosted. The listing was checked on Oct 18, 2026 against the pages it cites.

Which of these email sending services are free?

useSend, Plunk, Hyvor Relay, KumoMTA and Forward Email are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 18, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Twilio SendGrid: the alternatives its listing names first, then the tools that share the most features with it.