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simplelogin.io
A documentation page explaining how to send emails from a SimpleLogin alias. Replies to incoming messages come from the alias, keeping the personal address hidden. Sending to a new contact requires creating a reverse-alias through the alias's Contacts button. The feature is available only with a paid plan.
centralops.net
Email Dossier is a validation tool that checks an email address by walking through the process of sending email without actually sending any. It checks address syntax, looks up the domain's mail servers and tries contacting them. It reports a confidence rating from 0 to 3, error codes, a canonical address and MX records.
sendfromduck.vercel.app
Send From Duck is a tool for sending emails from DuckDuckGo private duck addresses. It asks for the addresses to send to and the address to send from, and requires a DuckDuckGo API key.
boomeranggmail.com
Boomerang is an email extension for Gmail and Google Workspace that adds meeting scheduling and email productivity tools. It includes Send Later scheduling, reminders, and meeting scheduling features such as Meeting Poll, Bookable Schedule and Share Free/Busy. A free Basic plan is available, with paid Personal, Pro and Premium plans billed annually.
emailtriager.com
EmailTriager is described as an AI assistant that automatically organizes incoming emails and drafts ready-to-send replies in the background. It plugs into Gmail and trains on past emails, creating a Knowledge Base used to draft responses. The site states that EmailTriager never sends emails on the user's behalf and only drafts responses for review and sending.
inboxreads.co
InboxReads is a directory and growth platform for the newsletter economy. It lets users browse email newsletters by topic and lists tools for creating, sending and monetising newsletters. It also states that it connects with more than 6000 top email newsletters to cross-promote, find sponsors and reach new audiences.
proofy.io
Proofy is an email verification service that checks email addresses before sending. It flags invalid, disposable, catch-all, role-based, and risky addresses to reduce bounces. Verification is offered through bulk list uploads, a REST API, and a free single-address checker.
tempm.com
TempM is a temporary email service that provides disposable inboxes with no password or login required. It supports custom domains through a single MX record pointing to the site, and mailboxes remain available as long as the domain is active. The service only receives email and never sends it, and all mailboxes are publicly accessible to anyone.
tempmailo.com
Tempmailo is a temporary disposable email service for receiving email at short-lived addresses. Addresses last from a few minutes up to a few days, and old emails are kept for two days. The service is for receiving only; sending is not possible, and text and HTML messages are allowed while file attachments are disabled.
temptom.com
TempTom is a free temporary email service that generates disposable addresses for receiving email without registration. Mailboxes are kept for 10 minutes after receipt by default, with selectable durations of 5 minutes, 10 minutes, 30 minutes or 1 hour, and emails are deleted after expiration. It supports receiving only, not sending or replying.
agentmail.to
AgentMail is an email provider built for AI agents. It offers real inboxes through an API, allowing users to create, send, receive, and search email messages via a REST API, intended for autonomous agents and agentic workflows. A free tier is available without a credit card.
wikileaks.org
WikiLeaks archive for searching AKP emails, documents, senders, dates, and related material.
wikileaks.org
WikiLeaks search archive for DNC emails, attachments, dates, senders, and related documents.
pypi.org
Python OSINT tool that checks whether an email address is registered on many sites without sending mail.
getmailspring.com
Mailspring is a native email client for Mac, Windows, and Linux supporting multiple accounts including IMAP and Office 365. Its Pro tier adds read receipts, link tracking, send later, follow-up reminders, and templates. The client is free to download, with Pro at $8/month.
resend.com
Resend is an email platform for developers. It provides an interface for sending transactional and marketing emails, with SDKs for programming languages. Features include modular webhooks for delivery, open, bounce and click notifications, a test mode, contact management, broadcast analytics, and email development using React.
en.booksee.org
BookSee is an electronic library offering free downloads of books and magazines, with over 2 million items available via direct links. Most books are in fb2 format, and users can read some online. The site provides help pages, a search plugin, and an API. Books can be added by sending them via email.
github.com
Open-source tool that monitors web pages for changes and sends alerts via Discord, email, Slack, Telegram and webhooks. It supports tracking content edits, price changes, restock alerts and website defacement, with JSONPath or jq filters for monitoring specific parts of JSON data. A hosted subscription is offered.
talosintelligence.com
Cisco Talos Intelligence operates an IP and Domain Intelligence Center for real-time threat detection. It publishes threat data including daily volume and volume change metrics for top email and spam sending countries. The service also accepts incident response inquiries for emergency network security needs.
github.com
cliget is a Firefox addon that generates curl, wget or aria2 commands for downloading login-protected files from the command line. The generated commands emulate browser requests by sending the same cookies, user agent string and referrer. It is intended for downloading email attachments, purchased software or media, and source code from private repositories to a remote server without downloading files locally first.
crosshare.org
Crosshare is an open-source community site for crossword constructors and solvers. It posts a free daily mini crossword puzzle and offers a constructor for building puzzles, uploading .puz or .ipuz files, and sharing a Crosshare link with solvers. The site also sends a once-weekly email recapping the most popular puzzles.
down.mdiaload.com
Down, operated by Mdia Load, is a free file upload and sharing service. It supports standard file uploads, remote URL uploads, file copying, and drag-and-drop file selection. Users can send files via recipient email, add password protection to links, and upload files to folders, with a maximum individual file size of 10240 MB. Premium paid plans are available for additional features.
edbrowse.org
Edbrowse is a text-based combination editor, browser, and mail client with an interface similar to /bin/ed. It was originally written for blind users but is also used by sighted users for its scripting capabilities. A batch or cron job can access web pages, submit forms, and send email without human intervention. Edbrowse can also access databases through ODBC.