Every time you give out your email address, you risk spam, data breaches, and identity tracking. Email aliases let you take back control — here's why they matter more than ever in 2026.
Your email address is one of the most sensitive pieces of personal data you own. Yet every day, we hand it out to newsletters, e-commerce sites, apps, and services — often without thinking twice. Email aliases change this equation entirely.
When you give your real email address to a service, several things can happen:
Instead of giving your real address, you create a unique alias for each service — e.g. amazon@yourdomain.com or netflix@yourdomain.com. Emails sent to that alias get forwarded to your real inbox. If a service starts spamming you or gets breached, you simply disable or delete that alias. Your real address remains untouched.
The power of aliases comes from compartmentalization. When you receive spam at amazon@yourdomain.com, you know immediately that Amazon sold or leaked your address. You can act on it precisely, without disrupting your other communications.
Disposable email services (Mailinator, Guerrilla Mail, etc.) are temporary and anonymous but have major limitations: they're public, short-lived, and blocked by most services. Aliases on your own domain are permanent, private, and indistinguishable from a real address.
Using a custom domain (e.g. yourdomain.com) gives you full ownership and portability. If you switch alias services, your email addresses don't change — you just update where they forward. With a generic alias service domain, you're locked in.
SMTPy makes this easy. Sign up for free, add your domain, and start creating aliases in minutes. The free plan includes 5 aliases — enough to protect your most important accounts immediately.
Start protecting your privacy for free →
See also: Complete email alias guide · SMTPy vs SimpleLogin
Créez votre compte gratuit et configurez votre premier alias en 5 minutes.
Commencer gratuitement© 2026 SMTPy. Tous droits réservés.