Compare 59+ free email tools — Resend, Brevo, Mailjet, SendGrid, Mailchimp, SimpleLogin, Proton Mail, and more. Exact free tier limits by email domain. Catalogue dates April to September 2026.
Email infrastructure is one of the most fragmented developer tool categories. SendGrid retired its free plan in 2025, and its trial allows 100 emails a day for 60 days. Mailgun's free plan allows 100 emails a day. But the alternatives have never been better — Resend offers 3,000 emails/month with a modern developer experience, Brevo provides 300/day with unlimited contacts, and Mailjet gives you 6,000/month.
This page compares every free email tool in our index — 55 tools across transactional APIs, marketing platforms, verification services, forwarding/alias tools, and more. Whether you need a SendGrid alternative or free email aliases for privacy, we have the comparison with exact free tier limits.
Recent Email Tool Pricing Changes
SendGrid: Perpetual free tier (100 emails/day) eliminated. Replaced with 60-day trial only. Paid plans start at $19.95/month Source ↗
Resend: The free tier now has a limit of 3,000 emails/month (100/day) and includes 3 domains. Previously 3K emails/month (100... Source ↗
APIs for sending transactional email — password resets, welcome emails, receipts, and notifications. Resend leads with a modern developer experience and React Email templates. Mailjet offers the highest free volume at 6,000/month.
Send up to 9,000 Emails for free every month, up to 300 emails daily.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.
Three separate free products. Email API/SMTP: 4,000 emails/month (150/day cap), 1 domain, 3-day log retention. Email Sandbox (testing): 50 test emails/month, 1 sandbox. Email Marketing: 1,500 emails/month, 500 contacts. 1 user each.When we last read the page we cite for this offer, on 2026-09-22, we found a change we could not reconcile with the terms we publish, so we cannot confirm these terms today.
Email framework as a service, that adds templates, automations, history, etc to your own SMTP server (E.g. AWS, Maileroo, Gmail). Free up to 100 emails/day, no time limit.
Email marketing — 250 contacts, 500 sends/month (250/day cap), 1 audience, 1 seat, marketing CRM, forms and landing pages, email support first 30 daysWhen we last read the page we cite for this offer, on 2026-09-19, we found a change we could not reconcile with the terms we publish, so we cannot confirm these terms today.
300 emails/day, unlimited contacts (fair use policy), marketing automation, segmentation, landing pages. Formerly SendinblueWhen we last read the page we cite for this offer, on 2026-09-21, we found a change we could not reconcile with the terms we publish, so we cannot confirm these terms today.
1,000 contacts, 4,000 emails per 30 days (marketing + transactional). All features included. Transactional-only recipients don't count toward contact limitWhen we last read the page we cite for this offer, on 2026-09-19, we refused the change we considered recording because it named no figure that had moved, and refusing a change is not a confirmation of the terms above, so we cannot confirm these terms today.
Newsletter service. Up to 100 subscribers freeThe page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.
Up to 2,500 subscribers and 10,000 emails per month freeWhen we read the page we cite for this offer on 2026-09-10, we found a change we could not reconcile with the terms we publish, and we have read it again since, on 2026-09-28, without confirming them, so we cannot confirm these terms today.
500 subscribers/month, 15,000 emails/month freeThe page we cite for Sendpulse states in words that it is free, which confirms the price — the limits stated here come from our own record rather than from that page.
Newsletter platform — unlimited subscribers, unlimited posts, custom domain, podcast hosting, community features, analytics. Free until you enable paid subscriptions (10% platform fee on paid subs)The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.
Free forever: Get started — no credit card required. Dashboard + AI template editor, 5K tracked events/mo, 1 workflow, Unlimited contacts. Sending costs go straight to AWS — $0.10/1K on à la carte, or $0.16/1K on the new default Essentials plan.
Tools for verifying email addresses, checking DKIM/SPF records, and improving deliverability. Essential for maintaining sender reputation and reducing bounces.
Test if the email's DNS/SPF/DKIM/DMARC settings are correct, free service by roundsphere.comThe page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.
100 free email verifications total (one-time, not monthly)When we last read the page we cite for this offer, on 2026-09-28, we found a change we could not reconcile with the terms we publish, so we cannot confirm these terms today.
Test if the email's DNS/SPF/DKIM/DMARC settings are correct, 20 free/month.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.
Email forwarding services and alias generators for privacy. SimpleLogin (ProtonMail-owned) and AnonAddy are both open source and let you create unlimited aliases to protect your real email address.
Superseded: As of 2026-08-28, addy.io reads: Free $ 0 /month Sign Up Unlimited Standard Aliases 10 Active Shared Domain Aliases 1 Recipient (real email address) 2 Available Alias Domains 10MB Monthly Bandwidth Limit. We are not publishing our stored addy.io terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓
Superseded: As of 2026-08-28, burnermail.io reads: The page encourages users to sign up and use burner addresses, but does not detail any free tier offerings. It states "Why We’re Removing Burner Mail’s Free Plan Read more →". We are not publishing our stored Burnermail terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓
Email forwarding for 1 domain, 25 aliases, up to 500 forwards/day freeThe page we cite for ImprovMX states in words that it is free, which confirms the price — the limits stated here come from our own record rather than from that page.
Free 10 Email IDs, 1 Domain, 1 Mailbox. Single Mailbox for All Email IDs.The page we cite for Mutant Mail states in words that it is free, which confirms the price — the limits stated here come from our own record rather than from that page.
Open source, self-hostable email alias/forwarding solution. Free 10 aliases, unlimited bandwidth, free replies from aliases. New outbound messages from aliases require Premium. Free for educational staff (student, researcher, etc.).The page we cite for SimpleLogin states in words that it is free, which confirms the price — the limits stated here come from our own record rather than from that page.
Disposable email addresses and email testing tools for development. Mailtrap provides an email sandbox for QA. EtherealMail generates fake SMTP credentials for testing without sending real emails.
Free, temporary email for testing.We could not read the page we cite for this offer when we last looked, on 2026-09-20, so we cannot confirm these terms today.
Ethereal is a fake SMTP service, mainly aimed at Nodemailer and EmailEngine users (but not limited to). It's an entirely free anti-transactional email service where messages never get delivered.
Sandbox Email Server for testing email functionality across build/qa and ci/cd. Free accounts get 15 emails a day forever.When we last read the page we cite for this offer, on 2026-09-12, we refused the change we considered recording because it named no figure that had moved, and refusing a change is not a confirmation of the terms above, so we cannot confirm these terms today.
Create up to 3 temporary emails a day, then delete them when you're done from within a handy Chrome extension. Perfect for testing signup flows.We could not read the page we cite for this offer when we last looked, on 2026-09-14, so we cannot confirm these terms today.
Inboxkitten is a free, open-source disposable email service. Self-hosting is available for $0/month, but requires Firebase and Mailgun accounts (which have their own free tiers). Emails auto-delete after several hours (officially 3 days according to mailgun).
Catches mail and serves it through a web interface.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.
Mailinator offers a "Verified Pro $0 with Verification" plan which is free and includes a private domain and access to the API. They also offer a 100% free, public temporary or disposable email address where you can use any address @mailinator.com.
Free API for temporary email testing, free public email hosting, outbound capture, email-to-slack/websocket/webhook (1,500 monthly API limit)When we last read the page we cite for this offer, on 2026-09-17, we found a change we could not reconcile with the terms we publish, so we cannot confirm these terms today.
Free disposable temporary email service with multiple emails at once and forwardingWhen we last read the page we cite for this offer, on 2026-09-20, we could read no amount, tier or rate on the page, so we cannot confirm these terms today.
End-to-end encrypted email providers focused on privacy. Tuta offers a free tier with full encryption — no ads, no tracking. See also Proton Mail in our Consumer Email category.
Free secure email account service provider with built-in end-to-end encryption, no ads, no tracking. Free 1GB storage, one calendar (Tuta also have an [paid plan](https://tuta.com/pricing).). Tuta is also partially [open source](https://github.com/tutao/tutanota), so you can self-host.The page we cite for Tuta states in words that it is free, which confirms the price — the limits stated here come from our own record rather than from that page.
This is not an entire email server; this is just an email client that you can use to send emails right from the client without exposing your credentials, the free tier has 200 monthly requests, 2 email templates, Requests up to 50Kb, Limited contacts history.
Waitlist management software for product launches. Create branded waitlist pages, collect and verify email subscribers, manage signups with tags and analytics. Free plan includes 100 subscribers/month, 1 waitlist, and API access.
Start on our forever free plan Free Perfect for small projects or to try out our service. $0 /month Use for free 1,000 credits per month 1 request per second Limited request log Unlimited user seats Multiple API Keys
Free tier includes up to 25 disposable addresses, encrypted mailbox, calendar & contacts. Plus tier is €1.99/month for up to 10,000 disposable addresses, unlimited forwarding, custom domains, calendar invitations, and 1 GB encrypted drive. Enterprise tier starts at €1.49/employee/month.
Transactional and bulk email API/SMTP. No perpetual free tier: new AWS accounts get up to $200 in AWS Free Tier credits usable across eligible services, the free plan runs for 6 months after account creation, and credits expire 12 months after account creation. $0.10 per 1,000 outbound emails after that, plus EC2 compute and data transfer if you send from AWS.
Free MIT-licensed self-hosted mail server for websites and web servers — an open-source stand-in for Sendgrid, Mailgun or Postmark that you run yourself. No hosted or paid plan is offered; the only cost is the infrastructure you send from.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.
Resend leads the modern transactional email space with React Email integration and 3K emails/month free. Brevo offers the most generous marketing free tier with 300 emails/day and unlimited contacts. For privacy, SimpleLogin and AnonAddy are both open source with self-hosting options. Catalogue dates April to September 2026.
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Get email tool recommendations from your AI assistant. Compare transactional APIs, marketing platforms, and email infrastructure — directly in your editor.
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