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Head-to-head · Disposable Email Services

SecureTempMail vs MailTub

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score SecureTempMail #3 in Disposable Email Services 8.8/10 Free plan Free plan✓ 3 of 4 features Visit SecureTempMail
MailTub #7 in Disposable Email Services 8.3/10 Open source ✓ 4 of 4 features Visit MailTub

SecureTempMail leads on 0 checks, MailTub on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSecureTempMail · 8.8/10
  • Free planonly SecureTempMail
  • Most featuresMailTub · 4 of 4

SecureTempMail scores higher on our rubric for disposable email services: 8.8 against 8.3 out of 10; our editors rank them #3 and #7.

On inbox lifetime, SecureTempMail gives you Days where MailTub offers Hours.

SecureTempMail is the better fit for secure disposable inboxes with automation. MailTub is the better fit for self-hosters needing configurable mailboxes.

  • SecureTempMail fits best

    Secure disposable inboxes with automation

  • MailTub fits best

    Self-hosters needing configurable mailboxes

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Side by side

Feature SecureTempMail 8.8/10 Visit ↗ MailTub 8.3/10 Visit ↗
At a glance
Editor score 8.8 8.3
Ranking #3 in Disposable Email Services #7 in Disposable Email Services
Best for Secure disposable inboxes with automation Self-hosters needing configurable mailboxes
Pricing model Free plan + paid Free
Starting price $39/yr Open source
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud, Desktop, Browser extension Self-hosted, Desktop, Mobile
Platforms Web, Windows, macOS, Linux, Chrome extension Web, Windows, macOS, Linux, iOS, Android
Support Email, Docs Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market
Features SecureTempMail 3/4 · MailTub 4/4
Custom address ✓ ✓
API access ✓ ✓
Custom domain Not checked yet ✓ (best)
Attachments supported ✓ ✓
Specs
Inbox lifetime Days Hours
Max active inboxes Not checked yet Not checked yet
Our review
Pros
  • Selectable lifetimes, custom addresses, and multiple domain options
  • Sandboxed HTML rendering, OTP detection, and attachment viewing
  • REST API, webhooks, Chrome extension, and desktop notifications
  • Configurable mailbox expiry from one hour to seven days
  • REST API, CLI, WebSocket delivery, and email exports
  • Attachments, SMTP STARTTLS, admin controls, and Prometheus metrics
Cons
  • Free inboxes last up to 24 hours and include ads
  • Attachment downloads and longer retention require Premium
  • API automation and catch-all domains require the $190 Developer plan
  • Self-hosted deployment requires operators to manage the infrastructure
  • Mailbox expiry is limited to a maximum of seven days
  • Its narrow focus may not suit teams seeking broader email workflows
Our verdict

SecureTempMail creates temporary inboxes for sign-ups, downloads, verification codes, and one-off messages. It supports inbox lifetimes from 10 minutes to 24 hours, real-time mail delivery, automatic OTP detection, HTML and attachment…

Read the review →

MailTub is an open-source, self-hosted disposable email service for developers, QA teams, and operators who need temporary inboxes under their own infrastructure. It runs as a single Go binary with SQLite and an embedded React interface,…

Read the review →
  1. SecureTempMailDisposable Email Services 8.8Free plan
  2. MailTubDisposable Email Services 8.3Open source

Strengths and trade-offs

  • SecureTempMail — where it wins

    • Selectable lifetimes, custom addresses, and multiple domain options
    • Sandboxed HTML rendering, OTP detection, and attachment viewing
    • REST API, webhooks, Chrome extension, and desktop notifications

    Where it doesn't

    • Free inboxes last up to 24 hours and include ads
    • Attachment downloads and longer retention require Premium
    • API automation and catch-all domains require the $190 Developer plan

  • MailTub — where it wins

    • Configurable mailbox expiry from one hour to seven days
    • REST API, CLI, WebSocket delivery, and email exports
    • Attachments, SMTP STARTTLS, admin controls, and Prometheus metrics

    Where it doesn't

    • Self-hosted deployment requires operators to manage the infrastructure
    • Mailbox expiry is limited to a maximum of seven days
    • Its narrow focus may not suit teams seeking broader email workflows

More comparisons

All disposable email services comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update