Best Email Products in 2025

Secure email with absolutely no compromises. Get your free encrypted email account today.

Key ProtonMail features:

End-to-End Encryption Zero Access to User Data Swiss Privacy Laws Open Source

freemium €5.0 / Monthly (user - 5 GB)

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Key Flagsmith features:

Feature Flags Remote Config A/B/X Testing & Optimization Organization Management

Try for free Open Source freemium

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

Key Microsoft Outlook features:

Integration with Microsoft Ecosystem Calendar and Task Management Strong Security Features Customizable Interface

Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.

Key Gmail features:

Generous Storage Integration with Google Services Powerful Search Functionality Spam and Virus Protection

Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

Key Thunderbird features:

Free and Open Source Customization Cross-Platform Robust Security

Get your encrypted mailbox for free.

Key Tutanota features:

Privacy-Focused Open Source GDPR Compliant Ad-Free Experience

Open Source

Temp Mail is the provider of fake and temporary email ID.

Key TempMail features:

Privacy Protection Spam Prevention Quick and Easy Anonymous Communication

Receive and send emails anonymously. Create a unique email address for each website to avoid cross-site tracking and protect your inbox from spam, phishing and data breaches.

Key SimpleLogin features:

Privacy Protection Ease of Use Custom Domains Open Source

Open Source freemium $2.99 / Monthly (Premium)

Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs. .

Key Zoho Mail features:

Easy to Set-up and use Free Trial Forever Free Plan Available Clean UI

freemium $1.0 / Monthly (per user)

Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues.

Key Spark Mail features:

Smart Inbox Collaborative Email Customization Unified Inbox

Open Source

Create unlimited aliases for free. Protect your email from spam using disposable addresses. Encrypt forwarded emails with PGP encryption using this service.

Key AnonAddy features:

Privacy Protection Spam Control Ease of Use Open Source

The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder. .

Key MailReach.co features:

Deliverability Improving Email Warming Meaningful Warming Content Smart Warming Algorithm

Visit website paid $19.5 / Monthly (Pro)

Warm up your cold email inbox, and never land in spam anymore!

Key Warmbox.ai features:

Email warmup Inbox integrations Account & services

freemium $9.0 / Monthly

Superhuman is an email management tool.

Key Superhuman features:

Speed User Interface Advanced Features Focus