|
Email Testing API with Live Inboxes | InboxDome
Create a private temporary email address instantly. Choose from multiple domains, receive messages live, copy verification codes, and delete the inbox when f...
|
86 % |
|
llmail.dev — REST API for your existing mailbox
Connect Gmail, Outlook, Fastmail, or any IMAP/SMTP mailbox. We handle the legacy protocols; your agent receives clean Markdown via webhook or polling and sen...
|
86 % |
|
MailWarren — a safe email sandbox for developers
MailWarren is a fake SMTP inbox for developers — capture, inspect, and share test emails safely without ever sending them to a real inbox.
|
86 % |
|
Email gateway: Sent folder for your app, with failover · Mailway
Mailway keeps an exact copy of every email your app sends and shows what happened to each one. Sent through your own providers, with failover. EU-hosted.
|
85 % |
|
Open Mind Labs | SMTP Relay for Transactional Email
Reliable SMTP infrastructure for the mail your product has to get right — receipts, password resets, invoices and alerts. Domain authentication, real mailbox...
|
85 % |
|
Ethereal Email - Fake SMTP Service for Email Testing
Ethereal is a free fake SMTP service for email testing. Catch and preview outgoing emails without delivering them - create throwaway SMTP/IMAP test accounts...
|
85 % |
|
Fake SMTP server for safe email testing - MailSpons
|
85 % |
|
SendKnot - email sending and business mailboxes on our own infrastructure
Real mailboxes on your own domain, a transactional and marketing email API, and an SMTP relay - on SendKnot's own mail servers. Mailboxes from $4.99 per mail...
|
85 % |
|
InBuzzed — Email Operations Workspace
Send transactional email, run campaigns, manage contacts, and monitor delivery from one workspace. Start free.
|
85 % |
|
emails.sh: the transactional email API your coding assistant can wire up
Send transactional email with one POST to /v1/emails. Clients for Node, Python, PHP, Ruby, Go, Rust, Java, .NET, and Elixir, delivery logs per message, inbou...
|
85 % |
|
Email testing inboxes for developers, AI agents & CI — MailMatter
Unlimited instant inboxes for email testing — read them in the browser, curl them, or let your AI agent drive them via API and MCP. Disposable by default, ke...
|
85 % |
|
InboxSpec | Email infrastructure for agents
Email infrastructure built for autonomous agents and the teams behind them.
|
85 % |
|
SMTP Email for AI-Built Apps — Email4VibeCoder
Transactional email for apps built with Cursor, Claude or Lovable. Four SMTP settings, or paste one prompt. 500 emails a month free, no card.
|
85 % |
|
Mail Server — public inbox
Every address at this domain is already an inbox. Send test mail anywhere, read it in seconds.
|
85 % |
|
Mavimail – email testing for developers
Point your application's SMTP settings at Mavimail and every email lands in an inbox in your browser instead of reaching real people.
|
85 % |
|
ZeroMail — Email for AI agents
Give your AI agent an inbox that can only receive mail. Use it for codes, receipts, newsletters, store deals, alerts, price changes, and more.
|
84 % |
|
SMTPMonster - Your SMTP Safety Net
Don't let email escape your development environment. SMTPMonster will catch all outgoing emails from your application and send them back to you.
|
84 % |
|
api.email — the email API your agent already knows
Disposable inboxes for automated tests. Send over SMTP, read back over REST or MCP.
|
84 % |
|
inboxtrusted — Transactional email, delivered in seconds · hosted in Europe
|
84 % |
|
Built for Inboxes. Built for Dev. | UCN Mail
UCN Mail is professional email for your domain — reliable inboxes for everyday use, standard SMTP/IMAP for developers.
|
84 % |
Detected social media networks