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Maskmail (maskmail.io)
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Maskmail (maskmail.io)

The email mask firewall for your inbox

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Stop handing out your real email. Maskmail lets you create a unique forwarding address for every app, store, and signup. Important mail forwards straight to your existing inbox. When spam starts, disable the mask in seconds without changing your real address anywhere.

Features: unlimited masks, custom domains, catch-all support, anonymous two-way replies (sender only sees the mask), delivery history, and an instant mask kill switch. Works with Gmail, Outlook, Proton Mail, iCloud, and any other email provider.

Usage-based pricing starts at $0.99/month base plus $0.006 per email sent or received.

SaaS · Email · Privacy
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Features

- Unlimited masks: one per service, signup, or newsletter

- Custom domains with catch-all support

- Anonymous two-way replies (sender only sees the mask)

- Instant mask kill switch to stop spam in seconds

- Full delivery history and email logs

- Works with Gmail, Outlook, Proton Mail, iCloud, and any provider

Use Cases

- Sign up for new services without exposing your real email

- Isolate marketing emails per brand so you can cut off any source instantly

- Protect your inbox when posting your email publicly

- Create disposable addresses for one-time purchases

- Use a unique mask per freelance client to keep work organized

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Comments

This is interesting!

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I created a Free wellness toolkit for bu...

damm like the this shii fire bro how did you do it??

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Building maskmail.io

I built Maskmail because I was tired of handing out my real email to every app, store, and newsletter. One bad signup and my inbox was flooded. I wanted per-service isolation without switching email providers. Maskmail is the tool I wanted but could not find. I am my own first customer.

Strong positioning. One concrete before-and-after workflow on the page would make the privacy benefit land even faster for buyers.

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indie hackers

love this idea, like to use it

Definitely solves a real world problem. Looking forward to try this out.

man i like this. is it agentic friendly

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Senior Software Engineer | 20+ Years Exp...

Clear value and solid positioning, but it’s too long and loses impact without tighter hierarchy and a stronger primary CTA.

Really useful concept — protecting your real email while still receiving everything is underrated. I'd love to see a feature that lets you categorize masks by purpose (shopping, newsletters, signups). Would make it even more powerful for inbox management.

The per-service isolation model here is exactly the right mental model for email hygiene. Most people give out one email everywhere and then have no way to identify which service sold their data — with Maskmail, the mask itself tells you who leaked it. The anonymous two-way reply feature is the detail that makes this actually usable vs. just a one-way throwaway address. Catch-all support + custom domains makes it enterprise-credible too. Would love to see bulk mask creation for power users who are migrating off an old email address.

custom-img
building privacy infra

This is cool! Can you send me a DM?

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Tinkerer

this is the kind of tool I didn't know I needed until I saw it. I've been giving out my real email like candy for years and now I'm drowning in marketing garbage from companies I bought one thing from in 2019

Just signed up. Creating a mask took like 3 seconds, already used it for a sketchy newsletter signup lol. Kill switch is satisfying to use.

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Building maskmail.io
Makers
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Building maskmail.io

Comments

This is interesting!

custom-img
I created a Free wellness toolkit for bu...

damm like the this shii fire bro how did you do it??

custom-img
Building maskmail.io

I built Maskmail because I was tired of handing out my real email to every app, store, and newsletter. One bad signup and my inbox was flooded. I wanted per-service isolation without switching email providers. Maskmail is the tool I wanted but could not find. I am my own first customer.

Strong positioning. One concrete before-and-after workflow on the page would make the privacy benefit land even faster for buyers.

custom-img
indie hackers

love this idea, like to use it

Definitely solves a real world problem. Looking forward to try this out.

man i like this. is it agentic friendly

custom-img
Senior Software Engineer | 20+ Years Exp...

Clear value and solid positioning, but it’s too long and loses impact without tighter hierarchy and a stronger primary CTA.

Really useful concept — protecting your real email while still receiving everything is underrated. I'd love to see a feature that lets you categorize masks by purpose (shopping, newsletters, signups). Would make it even more powerful for inbox management.

The per-service isolation model here is exactly the right mental model for email hygiene. Most people give out one email everywhere and then have no way to identify which service sold their data — with Maskmail, the mask itself tells you who leaked it. The anonymous two-way reply feature is the detail that makes this actually usable vs. just a one-way throwaway address. Catch-all support + custom domains makes it enterprise-credible too. Would love to see bulk mask creation for power users who are migrating off an old email address.

custom-img
building privacy infra

This is cool! Can you send me a DM?

custom-img
Tinkerer

this is the kind of tool I didn't know I needed until I saw it. I've been giving out my real email like candy for years and now I'm drowning in marketing garbage from companies I bought one thing from in 2019

Just signed up. Creating a mask took like 3 seconds, already used it for a sketchy newsletter signup lol. Kill switch is satisfying to use.

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