10 best free email providers in 2025

Email remains a key tool for personal, professional, and business communication. But, as there are multiple free email providers on the market, choosing the right one can be challenging.

Different internet mail services offer different features. Some pour into your storage, some focus on security, and some give a top-notch user experience. Finding one that fits your needs is key.

In this article, we’ll look at the 10 best free email providers, comparing their storage, attachment size, and security features. You’ll know which email service suits you best—whether it’s for personal use or work.

Let’s dive in!

Best free email providers at a glance

The 10 best free email providers

1. Gmail

Over 1.8 billion people use Gmail every day! Yes, Gmail is the most popular free email provider in the world.

Gmail is a top email service for personal and work emails because it connects smoothly with the Google apps. You can send up to 500 emails a day or email 100 people at once in a group within 24 hours.

When you sign up, you get 15GB of free storage to share between Gmail, Google Photos, and other Google apps. You can attach 25MB files to each of your emails on Gmail. If your file is bigger, no worries—Gmail will automatically upload it to Google Drive for you.

Plus, Gmail’s got your back when it comes to safety. It uses encryption and spam filters to protect your messages, keeping them secure 99.9% of the time.

Gmail works flawlessly with other Google Ecosystem tools like Chat, Meet, and Calendar. Moreover, Gmail has features like Smart Compose and Smart Reply, and the organized tabbed inbox makes it super easy to stay on top of everything.

Gmail key features

• 15GB of free storage shared between Gmail, Drive, and Photos, with options to buy more if needed.
• Send files up to 25MB in an email, and use Drive for bigger ones, up to 5TB.
• Keeps emails safe with spam filters, encryption, and two-step verification.
• Works great with Calendar, Meet, Drive, and other Google workstation apps.
• Easy-to-use search and filters to find emails quickly and stay organized
• Smart auto-suggestion tools and AI writing features make emailing faster and simpler.
• Connects to the Google ecosystem with easy access to Docs, Sheets, Maps, and more.

Gmail pros and cons

Who should use Gmail?

• Personal users who want a reliable, user-friendly email with strong spam filtering.
• Professionals and businesses using Google Workspace and custom domains.
• Students and educators can use tools like Google Classroom to collaborate.
• Mobile users with a responsive app and cross-device synchronization.
• Users who want a secure choice with phishing protection and two-factor authentication.

2. Outlook

Outlook is a popular email service with hundreds of millions of users worldwide. It's a Microsoft product that works well with other Microsoft tools like Word, Excel, and Teams, so you may find it great for both personal and work emails.

You can keep all your email accounts in one place and use cool features like a built-in calendar and task list to stay on top. Outlook also has innovative tools like Copilot to help you write emails faster.

Outlook gives you 15GB of free storage when you sign up, and if you need more space, you can always buy it. You can send files up to 20MB in emails. If your file is too big, Outlook works with OneDrive to easily share files up to 2GB.

Outlook takes email security very seriously. It provides spam filters, encryption, and two-factor authentication to keep your emails secure. In fact, it blocks over 3 billion phishing emails every month.

Outlook is also super organized. It connects with other Microsoft apps like Calendar and Teams. So you can quickly turn an email into a calendar event or share files effortlessly.

You can keep things simple with tools like the Focused Inbox, which shows you the most important messages.

Outlook key features             

• Automates email writing, summarization, and task management.
• Organizes the inbox with advanced filters and categories.
• Connects effortlessly with calendars to simple planning and reminders.
• Simplifies finding emails, contacts, and events with powerful search tools.
• Supports attached file sharing via Dropbox, Google Drive, and OneDrive.
• Protects emails with encryption, spam filters, and virus scans.
• Schedules emails to send at the perfect time.

Outlook pros and cons 

Who should use Outlook?

• Personal users who want to manage their email communication easily.
• Business professionals who need to streamline work with organized emails, calendars, and tasks.
• IT administrators who ensure secure communication with spam and virus protection.
• Project managers coordinate tasks and timelines with calendar tools.
• Sales team members who manage client relationships with email tracking and contact tools.
• Schools and universities organize schedules with shared calendars with the students.
• Remote workers who seek to collaborate effortlessly with Microsoft Teams and cloud tools.

3. Yahoo Mail

Yahoo Mail is one of the oldest and most popular email services. Over 220 million people use it regularly. Though it's not part of Google or Microsoft workspaces, it has a calendar and contact manager.

Yahoo Mail offers the best inbox storage in the world—1TB of space! That's a ton of space for emails, photos, and files. But keep in mind the attachment limit for sending files is 25MB. If you want to send bigger files, you can do that through Dropbox.

Yahoo Mail also works hard to keep your emails safe. It has tools to encrypt emails, block spam, and protect you from viruses. However, one downside is that it doesn't have two-step authentication, and has had some security breaches in the past.

Yahoo limits the amount of emails you can send daily, but they don't specify the number. So, be cautious and don't send too many emails at once, or your account may be flagged as spam.

Yahoo focuses on simplicity, so it doesn't work with other apps. However, it does have an excellent calendar for planning your schedule and a helpful contact manager for organizing your email contacts.

Yahoo Mail key features             

• 1 TB storage for extensive email and attachment saving.
• Subject-based email grouping for easy thread tracking.
• Mobile device-based, password-free login for security.
• Customizable inbox themes and layouts.
• Direct attachment preview for quick file access.
• Two-factor authentication for account protection.
• Temporary email addresses for spam reduction.
• Integrated calendar and contacts for efficient scheduling.
• Mobile apps for iOS and Android for on-the-go access.
• Spam and virus filters to secure the inbox.

Yahoo Mail pros and cons

Who should use Yahoo Mail?

• Individual users need an easy-to-use email system for their daily communication.
• Managers who want to keep their emails organized with features like filters and folders.
• Users who plan tasks and schedules and need tools like a built-in calendar.
• Individuals who manage clients need email tracking tools to keep contacts organized.
• Schools and colleges need to organize schedules and stay connected with shared calendars.
• Users who want to work together easily use Yahoo Mail’s connection to cloud services.
• Work teams who plan events and communicate with others using group email tools.
• Anyone who needs support for different languages to communicate worldwide.

Check out our list of the top online business ideas.

4. ProtonMail

ProtonMail is a secure email service that keeps your messages private with end-to-end encryption. Only you and the person you're emailing can read the messages—no one else. 

It's based in Switzerland, one of the most secure countries for data storage and operation, and so is also protected by strong privacy laws - meaning your data is even more secure.

You can use Protonmail on pretty much any device, including the web, iOS, Android, and desktop apps. It lets you have multiple email addresses and even use custom domains, making it great for personal and work needs.

There's a free version of Proton Mail with all the basics you need to do every day, but you can choose one of their paid plans if you want more. These give you extra storage, support for custom domains, and priority customer service.

ProtonMail offers a feature called Proton Scribe. It's an AI-powered writing assistant built right into the email composer. It runs directly on your device. So, your data stays private and isn't shared or used to train AI models.

ProtonMail focuses strongly on privacy, has a user-friendly design, and offers handy features. It's one of the most secure email providers for a safe and reliable email service.

ProtonMail key features             

• Secured emails with end-to-end encryption to prevent unauthorized access.
• Zero-access architecture ensures even Proton Mail can't decrypt messages.
• Open-source encryption allows independent audits for verified security.
• Accounts can be created without personal information for anonymity.
• Self-destructing emails delete automatically after a set time for added privacy.
• Integrates with Proton VPN, Calendar, Drive, and Pass for a full privacy suite.
• AI writing assistants help compose emails.
• Encrypted collaboration tools enable secure teamwork on documents.
• Two-factor authentication adds an extra layer of account security.
• Custom domains and aliases allow personalized email management.

ProtonMail pros and cons

Who should use ProtonMail?

• Individuals who want a private and secure email for personal use.
• Professionals like lawyers and doctors handle sensitive client information.
• Journalists and activists need secure channels to protect their sources.
• Businesses want to keep their internal business information safe.
• Schools and colleges that protect their student and staff data.
• Government workers focused on secure and confidential communication.
• Tech-savvy users and privacy advocates looking for alternatives to big email companies.

5. Zoho Mail

Zoho Mail is a clean, secure, and ad-free email provider with basic email features and some advanced business features. It offers advanced email and security features, collaboration capability, and integration of free business tools, making it a standout option from other email providers.

Zoho Mail offers 5GB storage for the mailbox. This storage is shared with other Zoho products, such as office suits and drives. The attachment limit is 20MB; you can add attachments by dragging and dropping. 

You can send 150 emails in 24 hours, and Zoho allows you to add three users simultaneously. However, if you add three users to your account, the 150 emails will be divided into three. Thus, you can send 50 emails in 24 hours from one user account while having three users.

Zoho Mail provides top-notch mail security. It offers end-to-encryption for email. Likewise, it allows you to send password-protected emails. As an ad-free platform, it doesn’t track your information or allow others to track your email content.

Zoho Mail is part of the Zoho workspace. Therefore, it integrates with Zoho apps like Zoho Docs, Sheets, CRM, etc. It also integrates with third-party apps like Zapier, which allows you to integrate Zoho Mail with 250 other third-party apps.

Zoho Mail key features

• Professional email hosting with a free custom domain.
• Unified platform for email, calendar, tasks, and notes in one place.
• Robust security with advanced spam filtering and encryption.
• Offline access to compose, read, and manage emails.
• Email sharing and Streams for team collaboration.
• Secure email delegation for task handoffs to colleagues.
• Responsive design optimized for mobile devices.
• Smooth integration with third-party applications.
• Smart calendar for scheduling and event management.
• Task creation and management directly from the inbox.

Zoho Mail pros and cons

Who should use Zoho Mail?

• Individual users who want a secure, ad-free email with lots of storage.
• Professionals who need a cost-free custom email address to look more professional.
• Entrepreneurs who need affordable, scalable email solutions with collaboration tools.
• Teams and companies that want email with calendars, contacts, and tasks in one place.
• Education institutions that need safe, branded email for students and staff.
• Charities and nonprofits that want low-cost email to run their communication.
• IT managers who need advanced tools to control email settings and manage users.

6. iCloud Mail

iCloud Mail is a private, secure, and ad-free email service from Apple. It's a part of the Apple workspace and seamlessly integrates with the Apple Mail app. However, you can access iCloud mail from anywhere using a browser.

iCloud Mail offers 5GB of email storage, which can be shared with photos and other content. It allows a maximum of 20MB for attachments. iCloud Mail integrates seamlessly with Apple's ecosystem apps and third-party apps. 

iCloud Mail is very generous about email sending. It lets you send 1000 emails daily to a maximum of 1000 recipients, and the recipient limit per email is 500.  

Apple is known for its security. iCloud uses advanced encryption for encrypting messages. Its powerful privacy feature hides your email's IP address so the sender can't see your IP location, and it offers two-factor authentication for maximum security.

iCloud email key features   

• Syncs emails, contacts, calendars and notes among Apple devices.
• Access emails via any web browser using iCloud.com.
• Integrates with all Apple apps and services 
• Spam filters to keep spam and junk mail away. 
• Allows Organize emails with folders and filters.
• Protects email accounts with two-factor authentication.
• Comes with 5 GB of free storage, with upgrades available.
• Provides a “Hide My Email” feature for extra privacy.
• Allows large files (up to 5 GB) to be sent via Mail Drop.
• Make up to 3 email aliases for easy identity management.

iCloud Mail pros and cons

Who should use iCloud Mail?

• Individuals seeking seamless integration across Apple devices and an ad-free experience.
• Users who value synchronization of emails, contacts, and calendars across the Apple ecosystem.
• Teams that want to coordinate schedules and communication using shared calendars and reminders.
• Designers, artists, and writers using Apple's ecosystem to sync their communications with their creative tools.
• Academics seeking reliable Apple-based assignment submissions, schedule management, and academic communications.
• Users who integrate Apple services for their business communication and organization. 

7. AOL Mail

AOL is one of the best free email providers with unique features. It offers simplicity, security, privacy, and a user-friendly interface. AOL allows you to delete all inbox emails at once, grab the contact’s email and phone number, and block all senders.

AOL gives you 1TB of mailbox storage for free. This storage is not shared with other AOL services, but its attachment size is only 25MB.

Likewise, AOL allows you to send 500 emails per day. You can send one email to a maximum of 100 recipients at a time.

AOL offers advanced security features for fighting spam and cyber threats. It automatically detects spam mail and sends it to the spam folder. You will be notified if you reply to a spam mail.

One amazing feature is that if one of your subscribers sends you a spam email, AOL Mail helps you unsubscribe from that email in one click.

AOL Mail has a calendar, contact, and task app. You can use these apps directly from the inbox to take notes and schedule meetings.

AOL Mail key features   

• Unlimited email storage for all your emails and files.
• Send attachments up to 25 MB.
• Built-in advanced spam and virus protection.
• Fully compatible with POP3, SMTP, and IMAP protocols.
• Organize emails with custom folders and smart filters.
• Includes a calendar and a to-do list.
• Quickly find any message with an easy search.
• Customize your inbox with themes and layouts.
• Mobile apps for iOS and Android for access anywhere.

AOL Mail pros and cons

Who should use AOL Mail?

• Users want an easy-to-use email platform with lots of storage and good spam filters.
• Entrepreneurs need a simple and reliable email service to use in the long term.
• Professionals who want a dependable email system to manage their projects.
• Teachers and school staff use calendars to schedule and stay organized.
• Lawyers and legal assistants who need a reliable email service for confidential client communications.
• Teams organizing events, volunteers, or outreach programs need a reliable email system.

8. Tuta Mail

Tuta is a private, secure, and ad-free encrypted email provider. It's also fully anonymous, open source, and protected by German privacy protection law. Even Tuta doesn't ask for your name and phone number to create an email account.

Tuta gives you 1GB of mailbox storage for free. If you need more, you can upgrade to the paid plan. The attachment file size limit is 25MB, which is pretty much common among free email providers.

Tuta doesn't have a sending limit. However, it applies message-sending limits on individuals' accounts to prevent spamming. If you send too many emails at once, Tuta will block your account.

Tuta provides maximum security to your mailbox. It uses end-to-end quantum-resistant encryption to encrypt emails. Therefore, no one reads your email, not even Tuta. It uses zero access encryption technology.

Tuta also features two-factor authentication, spam and phishing protection, and tracking protection. Moreover, you can access Tuta using apps for iOS, Android, Windows, Mac, and Linux.

Tuta Mail key features   

• Encrypts emails, subject lines, and attachments for complete privacy.
• Open-source code ensures transparency and verified security.
• Accessible via webmail and apps across all major platforms.
• Blocks spam, phishing, and tracking effectively.
• Supports custom domains and multiple aliases.
• Ad-free service enhances focus and user experience.
• Encrypted calendar keeps scheduling data private.
• Secure password reset protects user credentials.
• Desktop clients enable offline email access.
• Post-quantum cryptography guards against future threats.

Tuta Mail pros and cons

Who should use Tuta Mail?

• Personal users who seek privacy in their regular email communications.
• Professionals who require encrypted email and calendar services for confidential email communication.
• Managers who need secure communication channels for team coordination and sensitive information sharing.
• Businesses aiming to host custom email domains with enhanced security features.
• Organizations desiring whitelabel customizations to align email services with their corporate branding.
• Privacy-conscious users who want to avoid data scanning and targeted advertisements.
• Users in need of secure contact forms to receive encrypted messages from website visitors.

9. Mail.com

Mail.com is a professional and secure email provider. It offers enormous storage with free cloud storage. It has unique features like a mail collector and 100+ domain options. It features advanced privacy and security protection for email. 

Mail.com provides dedicated 65GB of inbox storage and 2GB of cloud storage for other content. Like most free email providers, it offers a maximum of 30MB for attachments.

Overall, you can send 500 emails per day and add a maximum of 100 recipients per message. However, you can't send too many messages at once, as it will prohibit you.

Mail.com comes with an advanced antivirus system that scans incoming mail and attachments to protect against viruses. Its powerful spam filter identifies malware-embedded emails and keeps mail safe from cyber attacks. Two-factor authentication also provides another layer of security. 

Mail.com offers an online office suite. Using email, you can access a word processor, spreadsheet, and presentation application. The powerful calendar allows you to schedule appointments and set reminders. It can also be synchronized with other online calendars.

Mail.com key features   

• Create personalized email addresses with over 100 domain options.
• Use up to 10 aliases under a single account.
• Cloud storage availability is unclear and requires further confirmation.
• Built-in office tools for editing and presentations are not verified.
• Secure your account with antivirus, spam filters, and two-factor authentication.
• Send attachments up to 30 MB on free plans.
• Customizable email filters are not verified.
• Ability to consolidate emails from multiple accounts in one inbox is not verified.
• Use dedicated mobile apps for iOS and Android.

Mail.com pros and cons

Who should use Mail.com?

• People who want unique email addresses that show their interests or hobbies.
• Freelancers and consultants who need email addresses that match their work or industry.
• Entrepreneurs who wish for custom email domains to build their brand and credibility.
• Job seekers looking for professional email addresses to impress employers.
• Students who prefer emails that represent their studies or career goals.
• Groups who want emails that reflect their mission or purpose to promote unity.

10. GMX Email

GMX is a German email provider known for its massive storage and attachment size. It has two versions: German and international. It offers the best privacy protection as it complies with the GDPR privacy policy.

GMX provides 65GB mailbox storage for free. Other GMX apps don't use this storage. Likewise, you get 2GB of free cloud storage. GMX allows you to send 50MB of attachments in a mail. This attachment limit is higher than that of all free email providers.

GMX limits the number of emails sent to fight spam, alongside using an advanced spam filter. It lets you send 50 emails per day and add up to 50 recipients for each mail.

Thanks to GMX's advanced security features, you can have peace of mind. GMX offers antivirus protection for email, scanning emails, and attachments to protect against viruses.

GMX uses Zero Access encryption to encrypt email. Thus, only the mail owner can access the email. It doesn't integrate with third-party applications, but it seamlessly integrates with GMX drive, contact, online office, etc.

GMX Email key features   

• 65 GB of storage for emails and files.
• Send large files with 50 MB attachments.
• Strong spam and virus protection for security.
• Integrates multiple email accounts into one inbox.
• Offers a customizable and user-friendly interface.
• Mobile apps for access on the go.
• Offers free cloud storage for documents and photos.
• Organizer and address book for better management.
• Create up to 10 email aliases for flexibility.
• Use the Mail Collector tool to manage all your emails.

GMX Email pros and cons

Who should use GMX Email?

• Individual users seeking a free, reliable email service with Mail Collector, Address Book, Organizer, and File Storage.
• Entrepreneurs and business owners who need a professional email platform with up to 10 addresses per user and contact and schedule management tools.
• Privacy-conscious users who want data encryption since GMX doesn't scan email content for advertising.
• Users who want to simplify email management by consolidating multiple email accounts into one inbox using Mail Collector.
• People who like to check their emails on the go, as GMX Mail has Android and iOS apps for seamless access.
• Users who value two-factor authentication (2FA) to secure their accounts from unauthorized access.

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FAQs

Which free email provider gives the most storage?

Yahoo Mail and AOL Mail are super generous—they give you 1 terabyte of space. You can save tons of emails and attachments without worrying about running out of room.

Which free email provider lets you send big attachments?

GMX Mail is the best for sending large files. You can attach up to 50 MB in one email, which is way more than most others. This is perfect if you’re sending large photos or documents.

Which free email provider is best for staying anonymous?

TutaMail is great if you want to keep your info private. You don’t need to give your name or phone number to create an account, and it protects your emails with strong encryption.

Which free email services offer custom domains for free?

Zoho Mail lets you use your own domain for free. That means you can have a cool, personalized email like “you@yourbusiness.com.” It’s easy, free, and looks super professional.

What are the attachment size limits for free email services?

Most free email services let you send files up to 25 MB, like Gmail and Yahoo. Outlook is a bit lower at 20 MB. If you need to send something bigger, you can use tools like Google Drive or OneDrive to share files.