Luc: Regroup directory by use; descriptions rewritten in house style

2026-09-08T05:59:26Z

Regroup directory by use; descriptions rewritten in house style

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== Free tier: Email ==
Sending, forwarding, testing and validating email. The free allowances here are generous enough to run a small organisation's transactional mail and newsletters without paying, though deliverability rather than volume is usually the binding constraint.

Part of the [[Free Tier Services Directory]].

=== Sending transactional email ===
* [https://www.unitpost.com/ Unitpost] — Transactional and marketing email. Free tier: 5,000 emails a month, 200 a day, five domains, no card required.
* [https://ahasend.com AhaSend] — Transactional email with unlimited domains, team members and webhooks on the free plan. 1,000 emails a month.
* [https://anypost.com Anypost] — Transactional and broadcast email API. 3,000 emails a month free.
* [https://atomicmail.ai Atomic Mail] — Programmatic mailboxes over the open JMAP standard, with custom domains and full send and receive. Free.
* [https://www.brevo.com/ Brevo] — Marketing and transactional email. 9,000 emails a month, capped at 300 a day.
* [https://www.emailjs.com/ EmailJS] — Sends email straight from the browser without exposing your credentials. Not a mail server — a client library with a hosted relay.
* [https://emaillabs.io/en EmailLabs.io] — Transactional sending, 9,000 emails a month with a 300-a-day cap.
* [https://emitlo.com Emitlo] — Email API and SMTP with SPF, DKIM and DMARC support. 12,000 emails a month, no card required.
* [https://maileroo.com Maileroo] — SMTP relay and email API with 5,000 emails a month, unlimited domains, and verification and blacklist monitoring included.
* [https://www.mailchannels.com mailchannels.com] — Email API with REST and SMTP integrations. 3,000 emails a month.
* [https://www.mailersend.com MailerSend.com] — Email API and SMTP. 500 transactional emails a month and 100 API requests a day.
* [https://www.mailjet.com/ Mailjet] — Transactional and marketing sending. 6,000 emails a month with a 200-a-day limit.
* [https://mailtrap.io/ Mailtrap.io] — Email API and SMTP with 4,000 emails a month, capped at 150 a day. Also offers a sandbox for testing.
* [https://onesignal.com/ OneSignal] — Email alongside push notifications. 10,000 emails a month, no card required.
* [https://useplunk.com Plunk] — Transactional and marketing email for developers. 3,000 emails a month.
* [https://postmarkapp.com/ Postmark] — Transactional email known for deliverability and detailed logs. 100 emails a month, plus unlimited DMARC digests.
* [https://reloop.sh Reloop] — Transactional API and SMTP. 3,000 emails a month, 200 a day, one custom domain.
* [https://resend.com Resend] — Transactional email API aimed at developers. 3,000 emails a month, 100 a day, one custom domain.
* [https://www.sendstreak.com/ SendStreak] — Adds templates, automation and history on top of an SMTP server you already have, such as SES or Gmail.
* [https://smtpfa.st/ SMTPfast] — Simple sending API. 3,000 emails a month, one domain, 1,000 contacts, no card required.
* [https://www.sweego.io/ Sweego] — European transactional email API, useful where data residency in the EU matters. 100 emails a day.
* [https://wraps.dev Wraps] — Email automation workflows with 5,000 tracked events and unlimited contacts free.
* [https://github.com/msgwing/ZeroSMTP ZeroSMTP] — SMTP relay with no paid tier, up to 200 emails a day. Sends only from a shared address, so no custom domain.

=== Newsletters and mailing lists ===
* [https://buttondown.email/ Buttondown] — Newsletter platform with a plain-text sensibility. Free up to 100 subscribers.
* [https://emailoctopus.com EmailOctopus] — Newsletter sending. Free up to 2,500 subscribers and 10,000 emails a month.
* [https://maildroppa.com Maildroppa] — Newsletters with unlimited sends and automations, free up to 100 subscribers.
* [https://www.mailerlite.com MailerLite.com] — Newsletter and marketing email. 1,000 subscribers and 12,000 emails a month.
* [https://www.sender.net Sender] — Newsletter sending, up to 15,000 emails a month across 2,500 subscribers.
* [https://sendpulse.com Sendpulse] — Marketing email with 500 subscribers and 15,000 emails a month free.
* [https://substack.com Substack] — Newsletter publishing with unlimited free sending; charges only begin when you charge readers.
* [https://waitlio.com/ Waitlio] — Waitlist pages for product launches, with subscriber collection and verification built in.

=== Forwarding, aliases and mailboxes ===
* [https://anonaddy.com AnonAddy] — Open-source anonymous email forwarding with unlimited aliases.
* [https://anon.li/alias anon.li Alias] — Open-source anonymous aliasing with PGP encryption and the ability to reply from an alias. Ten random and one custom alias free.
* [https://bump.email/ Bump] — Ten forwarding addresses on one custom domain.
* [https://burnermail.io/ Burnermail] — Five burner addresses with a single mailbox and seven days of history.
* [https://dnsexit.com/ DNSExit] — Two mailboxes on your own domain with 100 MB of storage, over IMAP, POP3 and SMTP with SPF and DKIM.
* [https://forwardemail.net forwardemail.net] — Email forwarding for custom domains with unlimited addresses. '''Note:''' several low-cost TLDs are excluded from the free tier.
* [https://improvmx.com ImprovMX] — Straightforward free email forwarding for a custom domain.
* [https://kaimail.net KaiMail] — Forwarding for custom domains with ARC and DKIM signing. One domain, one mailbox, 300 emails a month.
* [https://www.mutantmail.com/ Mutant Mail] — Ten addresses on one domain, all delivered into a single mailbox.
* [https://proton.me/mail Proton Mail] — End-to-end encrypted mailbox from the makers of Proton VPN. 1 GB free.
* [https://simplelogin.io/ SimpleLogin] — Open-source, self-hostable aliasing and forwarding. Ten aliases free, unlimited replies, and free for educational use.
* [https://tuta.com/ Tuta] — End-to-end encrypted mailbox with no adverts or tracking. 1 GB of storage and a calendar.

=== Testing and disposable inboxes ===
* [https://10minutemail.com 10minutemail] — Disposable inbox for testing signup flows.
* [https://conduit.email/ Conduit] — Turns incoming email into webhooks so a message can trigger your own API. Free.
* [https://debugmail.io/ debugmail.io] — Testing mail server that catches what your application sends instead of delivering it.
* [https://ethereal.email EtherealMail] — Fake SMTP service for testing, aimed at Nodemailer users. Messages are captured, never delivered.
* [https://imitate.email Imitate Email] — Sandbox mail server for testing email in build, QA and CI pipelines. Fifteen messages a day, permanently.
* [https://inboxesapp.com Inboxes App] — Up to three temporary addresses a day from a browser extension, useful for testing signups.
* [https://inboxkitten.com/ inboxkitten.com] — Disposable inbox with automatic deletion after three days. Open source and self-hostable.
* [https://mailcatcher.me/ mailcatcher.me] — Catches outgoing mail and displays it in a web interface, run locally.
* [https://www.mailinator.com/ mailinator.com] — Public inbox system where any address works without registration. Useful for throwaway testing.
* [https://mailsac.com mailsac.com] — API for temporary inboxes, with outbound capture and forwarding to Slack, webhooks or WebSockets. 1,500 API calls a month.
* [https://parsio.io Parsio.io] — Email parser: forward a message, extract the fields, post them to your server.
* [https://temp-mail.io temp-mail.io] — Disposable addresses with forwarding and several inboxes at once.
* [https://temp-mail.org/en/ Temp-Mail.org] — Disposable inbox that rotates its address on each page load.
* [https://www.trashmail.com trashmail.com] — Disposable addresses with forwarding and automatic expiry.

=== Validation and deliverability ===
* [https://www.antideo.com Antideo] — Email, IP and phone validation. Ten API requests an hour free, no card required.
* [https://cannypigeons.com/ Canny Pigeons] — DMARC monitoring with DNS drift alerts and threat intelligence. First domain free.
* [https://dkimvalidator.com/ dkimvalidator.com] — Checks whether a domain's SPF, DKIM and DMARC records are set up correctly.
* [https://emailguard.lazrek.com/ EmailGuard] — Blocks disposable addresses, catches typos and validates MX records. 100 requests a month.
* [https://emailqo.com/email-grader EmailQo Email Infrastructure Grader] — Grades a domain's email configuration — SPF, DKIM, DMARC and mail server setup — out of 100. No signup.
* [https://emailvalidation.io Emailvalidation.io] — Email verification API. 100 checks a month.
* [https://isitdisposable.com/ Is It Disposable] — Detects disposable addresses at signup. 250 lookups a month, no card required.
* [https://www.mail-tester.com mail-tester.com] — Sends a message to a generated address and reports on spam scoring and authentication. 20 tests a month.
* [https://www.mailcheck.ai/ Mailcheck.ai] — Blocks signups from temporary addresses, 120 requests an hour.
* [https://orbisearch.com Orbisearch] — Bulk email validation, 100 addresses a day with no signup.
* [https://sendbridge.com/mail-tester SendBridge Mail Tester] — Deliverability test with no signup: generates an inbox, then reports SPF, DKIM, DMARC, spam score and blocklist status.
* [https://www.suped.com/ Suped] — DMARC monitoring with a readable dashboard. One domain and 1,000 emails a month free.
* [https://tempmaildetector.com/ TempMailDetector.com] — Checks whether an address is a temporary one. 200 verifications a month.
* [https://verifalia.com/email-verification-api Verifalia] — Real-time verification with mailbox confirmation and disposable address detection. 25 checks a day.
* [https://verimail.io/ verimail.io] — Bulk and API email verification. 100 checks a month.

=== Currency ===
Compiled September 2026. Free tiers change frequently and nothing here has been independently verified — check the provider before relying on any allowance described above. Entries cover services with a standing free tier, not free trials.

=== See also ===
[[Digital sovereignty]], and the other sections of the [[Free Tier Services Directory]].

[[Category:Free Tier Services]]

Free tier: Email - Revision history

Luc: Regroup directory by use; descriptions rewritten in house style