Mailsac Alternatives

Mailsac is described as 'Open Source Disposable Email Hosting' and is a disposable email service in the office & productivity category. There are more than 100 alternatives to Mailsac, not only websites but also apps for a variety of platforms, including Google Chrome, Android, iPhone and SaaS apps. The best Mailsac alternative is addy.io, which is both free and Open Source. Other great sites and apps similar to Mailsac are MailDrop, TemporaryMail, Firefox Relay and Guerrilla Mail.

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Mailsac alternatives page was last updated Feb 24, 2026

Alias Email
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Protect your real email with free alias email. Unique, anonymous addresses to block spam, trackers, hackers & malware — fully under your control.
Cost / License
Freemium
Proprietary
Platforms
Online
Is Alias Email a good alternative to Mailsac?
TempMail4u
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Get free, disposable email addresses instantly. Protect your privacy and keep your real inbox spam-free—no registration required.
50 TempMail4u alternatives
Cost / License
Free
Proprietary
Application type
Disposable Email
Platforms
Online
Is TempMail4u a good alternative to Mailsac?
PreInbox
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Email address for Web Apps. A whitelist-only mailbox. All unsolicited emails get blocked.
Cost / License
Free Personal
Proprietary
Platforms
Online
Software as a Service (SaaS)
Is PreInbox a good alternative to Mailsac?
Boomlify
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Easily create unlimited disposable email addresses with over two months of activity, full privacy, no registration, and no fees, using an intuitive browser interface. Access from any device, avoid spam, and manage communication securely without personal data.
Cost / License
Free
Open Source
Origin
United States
Platforms
Online
Google Chrome
Is Boomlify a good alternative to Mailsac?
Mail On Deck
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Mail On Deck is a free temporary email service designed to give you complete control over your online privacy. When you visit our website. Our temp mail addresses receive emails just like your regular inbox, but they automatically expire after 24 hours.
Cost / License
Free
Proprietary
Platforms
Online
+1
Is Mail On Deck a good alternative to Mailsac?
Poistaa
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Poistaa is a free service that allows automatically discarding your emails for instant. Emails will be received and deleted automatically.
Cost / License
Free
Proprietary
Platforms
Online
Is Poistaa a good alternative to Mailsac?
Procmail
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Procmail can be used to create mail-servers, mailing lists, sort your incoming mail into separate folders/files (real convenient when subscribing to one or more mailing lists or for prioritising your mail), preprocess your mail, start any programs upon mail arrival (e.g.
Cost / License
Free
Open Source (GPL-2.0)
Alerts
Discontinued
Platforms
Linux
Xfce
Is Procmail a good alternative to Mailsac?
Freebird
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Freebird is a free disposable, temporary email address.
Cost / License
Free
Proprietary
Application type
Disposable Email
Platforms
Android
Android Tablet
+5
Is Freebird a good alternative to Mailsac?