Work · alternatives · 2026
24 alternatives to Stable
Get a virtual address & mailbox for your business
Stable is a virtual mailbox service that provides businesses with a permanent business address and remote mail management capabilities. The platform allows users to handle physical mail and deposit checks from… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Stable launched in 2024; newer entries below may have overtaken it.
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Polymail Web▲437All-in-one email platform for sales communication
2018 · polymail.io · its alternatives →
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Mailcheap▲123Email hosting, dedicated email servers, API-first platform
2018 · mailcheap.co · its alternatives →
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Beeble▲314The safest platform to exchange emails and store files
2024 · beeble.com · its alternatives →
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I've spent the last few months working on something I wish I'd had years ago. I kept running into the same issue: CI green, production mail broken. TLS handshake failures, DKIM alignment mismatches, SPF soft-fails ... the stuff that only surfaces when real mail servers are involved. Most test tools (Mailpit, MailHog) are catch-alls. They confirm "an email was sent" but don't validate the protocol. They also aren't designed for network-exposed environments: no auth, unprotected Web UI, easy to enumerate messages. VaultSandbox is my attempt at fixing that. It's a self-hosted SMTP gateway…
Jan 2026 · vaultsandbox.com · its alternatives →
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VitaMail▲24Fast, secure, & affordable email validation
2025 · vitamail.vitanur.com · its alternatives →
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Cleanmails - Unlimited email verification
Jan 2026 · its alternatives →
- 11RA
Automate and personalize direct mail at scale while our nationwide print network speeds delivery, controls postage costs, and keeps every send compliant.
2013 · lob.com · its alternatives →
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Mailgent▲51Give your AI agent a real inbox, vault, calendar, and verifiable identity — plus a USDC wallet to pay for what it uses. One API.
Jun 2026 · mailgent.dev · its alternatives →
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Mailway▲56OSS and self hostable catch-all incoming email routing
2021 · github.com · its alternatives →
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MailCheck▲49Stop Free Trial Abuse with Advanced Email Verification
2025 · mail-check.tech · its alternatives →
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IdeaBox▲6Software Payments with Stablecoins.
2025 · se-2-idea-box-nextjs.vercel.app · its alternatives →
- 18AB
2012 · columns.co · its alternatives →
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New to Browserling? Launch real online browsers in seconds for web testing, cybersecurity, and more. Test websites and open URLs safely in isolated browser sandboxes.
2019 · emaildrop.io · its alternatives →
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Postely▲2Your mail, handled — real address, same-day scans, API
Aug 2026 · getpostely.com · its alternatives →
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Mailwip - fast and reliable email forwarding service for your domains. Incoming mail API for your web service. Support Rails action mailbox. Replacement for SES incoming. Built-in support for DKIM, SRS, SPF, ARC, DMARC, and more. No credit card required.
2021 · hanami.run · its alternatives →
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Three layers of phishing defense: anonymous email aliases, impersonation detection, and passkey authentication. Post-quantum secure identity platform from Locke.
2021 · locke.id · its alternatives →
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A fully private, unlimited, and long-term virtual email box
2025 · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →