Sending, receiving, forwarding and inbox APIs.
Best per needFree email sending and receiving
Key
- ★ qualifies
- usable as stated; the read path was probed
- caveat
- usable, with a named limit or an unprobed read path
- trial
- a time-boxed or one-time trial, not a recurring allowance
- paid
- no free allowance; listed for its price
- fails: identity
- the identity required is not reachable without it
- fails: egress
- data cannot be read back out at a usable rate or price
- fails: quota
- the free allowance is too small to matter
- dead
- the offer or the service no longer exists
- self-hosted, last resort
- software or a node that the user installs, runs and maintains. Self-hosted options are listed last, because this site is for users who have no hardware.
- free tier, no free tier
- the record states a free allowance, or states that it has none
- identity email
- what a signup asks for. A question mark after it: a placeholder, not read from a source
- no card, card, card?
- a payment card is not asked, is asked, or the record does not say
- limit
- the limit that runs out first, for example request-rate or volume-quota
- evidence
- how the record is backed, strongest first: measured, documented, reported, inferred, unverified
- fresh until, stale since
- the check is inside its window, or past it, on today's date
- inherited, checked live
- inherited: the record was carried from an earlier source, and its check date is an upper bound. Checked live: the record was checked against the service. The chip filters on it
- verdict
- a judgement of the whole offer for the need of its topic. The data holds no number as a cut-off. Read the free allowance and the limits of the record, and decide for your own need
- duplicate, disagrees
- another record holds the same offer, or a sibling record states another value
Usable 24
Transactional sender 8
- caveatBrevo
300 email sends per day with no time limit; 100,000 contacts stored
free tieridentity emailno cardlimit request-rateevidence documentedstale on 2026-11-30
- caveatMailgun
100 messages/day, 1 custom domain, 1 inbound route, 2 API keys, 1-day log retention
free tieridentity any-phoneno cardlimit request-rateevidence documentedstale on 2026-11-30
- caveatMailjet
6,000 emails/month, 200/day, 1,000 contacts
free tieridentity emailno cardlimit request-rateevidence documentedstale on 2026-11-22
- caveatMailtrap
4,000 emails per month and 150 emails per day on the free tier, 1 user, 1 domain, 3 days of logs
free tieridentity emailno cardlimit request-rateevidence documentedstale on 2026-11-22
- caveatPlunk (hosted)
1,000 emails/month with unlimited contacts
free tieridentity emailno cardlimit request-rateevidence documentedstale on 2026-11-22
- caveatResend
3,000 emails/month and 100/day, 3 domains, 3 inboxes, 30-day retention
free tieridentity emailno cardlimit request-rateevidence documentedstale on 2026-11-22
- caveatScaleway Transactional Email
300 emails/month per organisation, 5 domains, then EUR 0.25 per 1,000
free tieridentity emailno cardlimit request-rateevidence documentedstale on 2026-11-22
- caveatZeptoMail (Zoho)
1 free credit worth 10,000 emails, valid 6 months; 100/day until the account is validated
free tieridentity emailno cardlimit write-gatedevidence documentedstale on 2026-11-22
Transactional sender and SMTP relay 3
- caveatElastic Email
100 emails per day and 3,000 emails per month on the Email API Free plan, up to 1,000 contacts, at USD 0 with no card
free tieridentity emailno cardlimit request-rateevidence documentedstale on 2026-12-03
- caveatMaileroo
3,000 outbound emails per month with no daily cap, 1,000 inbound emails per month, 2 custom sending domains, at USD 0 with no card
free tieridentity emailno cardlimit write-gatedevidence documentedstale on 2026-12-03
- caveatSMTP2GO
1,000 emails/month, 200/day, and 25/hour until a sender domain is verified
free tieridentity any-phoneno cardlimit request-rateevidence documentedstale on 2026-11-30
Other 13
- caveatmail.tm
A disposable inbox with a 40 MB quota, created and read over a keyless REST API
free tieridentity anonymousno cardlimit per-object-capevidence measuredstale on 2027-01-21
- caveatAmazon SES
3,000 message charges/month for the first 12 months, or $200 of AWS credits over 6 months for new accounts
free tieridentity cardlimit write-gatedevidence documentedstale on 2026-11-22
- caveatButtondown
Free for the first 100 subscribers, with the price assuming at most one email a day to the whole subscriber base; API included, no card
free tieridentity emailno cardlimit request-rateevidence documentedstale on 2026-12-03
- caveatCloudflare Email Routing
Unlimited inbound email on Workers Free and Paid; 200 destination addresses, 200 rules per domain, 30 domains per zone
free tieridentity emailno cardevidence documentedstale on 2026-11-22
- caveatForward Email
Unlimited domains, unlimited aliases, unlimited inbound email, 50 MB attachments, forward-only
free tieridentity emailno cardlimit retention-clampedevidence documentedstale on 2026-11-22
- caveatImprovMX
1 domain, 25 aliases, 500 forwards/day, 7-day logs, API access
free tieridentity emailno cardlimit request-rateevidence documentedstale on 2026-11-22
- caveatLoops
4,000 sends per rolling 30 days, 1,000 contacts, marketing and transactional combined
free tieridentity emailno cardlimit request-rateevidence documentedstale on 2026-11-22
- caveatMailerLite
2,500 emails/month, 250 subscribers, 2 user seats
free tieridentity emailno cardlimit request-rateevidence documentedstale on 2026-12-05
- caveatOVH MX Plan
5 GB mailbox per account, free 100 MB web hosting with a domain, no database
free tieridentity cardlimit write-gatedevidence documentedstale on 2026-12-03
- caveatSender
Up to 2,500 subscribers and 15,000 emails per month, never expires
free tieridentity emailno cardlimit request-rateevidence documentedstale on 2026-11-22
- caveatSendPulse
Up to 15,000 emails per month, 3 sender addresses, 250 MB of image storage
free tieridentity emailno cardlimit request-rateevidence documentedstale on 2026-11-22
- caveatTempsMail
A disposable inbox and read API, free with an account key
free tieridentity emailno cardlimit request-rateevidence documentedstale on 2026-11-22
- caveatZoho Mail
5 users, 5 GB each, 1 custom domain, 25 MB attachment limit
free tieridentity emailno cardlimit retention-clampedevidence documentedstale on 2026-12-03
Trial 2
- trialMandrill (Mailchimp Transactional)
Up to 500 free sends to a verified domain, one demonstration block
free tieridentity cardlimit write-gatedevidence documentedstale on 2026-11-22
- trialSendGrid
A 60-day free trial for a new account: 100 emails a day, no credit card; no recurring free plan
free tieridentity any-phoneno cardlimit request-rateevidence documentedstale on 2026-12-05
Paid only 8
8 hosted offers have no free allowance and are listed for their price, on Email: paid only.
Self-hosted, the last resort 1
Software or a node that the user installs, runs and maintains. Self-hosted options are listed last, because this site is for users who have no hardware.
- self-hosted, last resortPlunk (self-hosted)
No allowance stated for self-hosted instances: https://docs.useplunk.com/concepts/billing says 'Pricing on this page applies to the hosted version at...
verdict qualifies-with-caveatidentity anonymousno cardevidence documentedstale on 2026-12-03