Best Free Email Tools

Up to 100 subscribers and 2,500 emails/month free

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.

250 subscribers, 2,500 emails/month free, 2 user seats, community support

Sandbox Email Server for testing email functionality across build/qa and ci/cd. Free accounts get 15 emails a day forever. Best for open source projects. 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.

SMTP relay and email API for developers. 3,000 emails per month, unlimited domains, webhooks free Best for unlimited usage needs.

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. Best for unlimited usage needs. Note — discovered 2026-08-28: The free tier now has limits of up to 25 disposable addresses, and includes an encrypted mailbox and calendar & contacts. There are also paid tiers available now. Source ↗

Email API and SMTP. Free plan: 500 emails/month, at most 100 a day, for transactional email.

Superseded: As of 2026-08-28, addy.io reads: Free $ 0 /month Sign Up Unlimited Standard Aliases 10 Active Shared Domain Aliases 1 Recipient (real email address) 2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 ↓ Note — discovered 2026-08-28: The free tier still exists, but the description of the limits has changed. The free tier now includes 10MB monthly bandwidth, and 1 recipient. Source ↗

Email API with REST API and SMTP integrations. Free: 100 emails/day (~3,000/month), 3 domains, community support.

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.

Email forwarding for 1 domain, 25 aliases, up to 500 forwards/day free. The 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.

1,000 contacts, 4,000 emails per 30 days (marketing + transactional). All features included. Transactional-only recipients don't count toward contact limit. When 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.

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.

Email marketing — 250 contacts, 500 sends/month (250/day cap), 1 audience, 1 seat, marketing CRM, forms and landing pages, email support first 30 days. When 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.

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.

Developer-first email API — 3K emails/month free (100/day cap), 3 domains, 1K marketing contacts/month, 5 AI credits, 30-day data retention

European transactional emails API for developers. 100 emails/day free.

Open-source email platform with 1,000 transactional/marketing emails/month free

Bulk and API email verification service. 100 free verifications/month

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). Note — discovered 2026-09-10: A free tier still exists, the details have changed. Have their own free tiers but incur costs if limits are exceeded. The auto-delete time is stated as 'several hours' but also 'officially 3 days according to mailgun'. The emphasis on self-hosting and external service costs introduces a new element. Source ↗

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.

Real-time email verification API with mailbox confirmation and disposable email address detector; 25 free email verifications/day.

Up to 2 Email addresses under your domain for free with 100MB of storage space. IMAP, POP3, SMTP, SPF/DKIM support.

300 emails/day, unlimited contacts (fair use policy), marketing automation, segmentation, landing pages. Formerly Sendinblue Best for unlimited usage needs. When 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.

Transactional email service, free for 1,000 emails per month, 3 sending domains, 7-day data retention, basic support. Includes REST API, SMTP relay, sandbox mode, SDKs, scheduling, open/link tracking, webhooks.

Verify up to 200 emails a month for free and see if an email is temporary or not.

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.

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 Best for unlimited usage needs.

500 subscribers/month, 15,000 emails/month free. The 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.

Transactional email API — 100 emails/month free, never expires, no credit card required

Free Only supports email forwarding $0 /month for unlimited domains Forward your domain's mail Unlimited inbound email Spam protection 50 MB attachment limit Best for unlimited usage needs.

Free 10 email aliases, one custom domain. Rebranded from Bump to Alias.email.

Up to 2,500 subscribers and 10,000 emails per month free. When 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.

Email marketing with 2,000 contacts, 6,000 emails/month, and 3 campaigns/month free

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. Best for unlimited usage needs.

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 API — 6,000 emails/month (200/day limit), 1,000 contacts, email editor and templates

10 API requests per hour for email verification, IP, and phone number validation in the free tier. No Credit Cards are required.

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.

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. Best for open source projects. 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.

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 forwarding. When 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.

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.). Best for open source projects and students and unlimited usage needs. 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.