The Best 33mail Alternatives in 2026

Create email aliases that forward to an inbox with Emcognito, then reply privately or suspend an alias.

SimpleLogin offers open-source email aliases for receiving and sending messages anonymously, with protection against spam and phishing.

addy.io creates email aliases that forward to a real inbox, letting users use different addresses for services and disable one if it leaks.

Cloaked creates email and phone aliases plus passwords for signing up to services without sharing real contact information.

Alt Address provides free disposable email addresses, accepts mail across its domains, and keeps messages for three days without requiring registration.

Keep a primary inbox separate from signups with DisposableMail, which offers temporary addresses that last from 10 minutes to two weeks.

48hr.email offers temporary inboxes with throwaway addresses, no registration, and automatic email deletion after 48 hours.

Send From Duck explains how to send email from a Duck Address, including available ways to start a message using the alias.

This Firefox extension simplifies using temporary email addresses from services including 10 Minute Mail and Anonbox.

AdGuard Mail provides email forwarding with aliases and temporary addresses to help keep a personal email address private.

StartMail provides private email with encryption and customizable aliases, including disposable addresses and one-click encrypted sending.

Use erine.email to create separate addresses for an existing inbox, with one address per use to help reduce spam.

Get temporary email addresses with Zemail to receive messages without registration and keep a personal inbox private.

Forward Email provides open-source email forwarding for custom domains, with aliases, storage, and IMAP, POP3, and SMTP access listed on its site.

Use Proton Mail’s encrypted email app on iOS to read and send messages from a private inbox.

Mask email and phone details with Firefox Relay, which forwards messages to a real inbox.

Use Inboxes.com disposable addresses to separate signup mail from a private inbox and reduce spam.

This DuckDuckGo help page explains how to send a new message from a personal Duck Address by replying or using a special recipient format.

SimpleLogin documentation explains how to send email from an alias, including replying to a message received through that address.

Create a disposable temporary address with Trashmail to reduce spam and keep a real inbox private.

Fake Email provides password-free temporary email addresses for anonymous use, with spam protection and an inbox ready for registration messages.

Free Edu Mail generates temporary email addresses without registration, with a simple two-click process and an inbox for received messages.

cs.email provides registration-free disposable email addresses, with received messages remaining in the inbox for one hour.

AnonymMail creates free temporary email addresses without registration and lets users customize an address and receive messages in an inbox.