postale.io Alternatives

postale.io is described as 'Free domain email service. Simple, safe, fast, 7/7 free support, and all the essential features a mail service should have' and is an app. There are more than 25 alternatives to postale.io for a variety of platforms, including Web-based, Android, iPhone, iPad and Android Tablet apps. The best postale.io alternative is Proton Mail, which is both free and Open Source. Other great apps like postale.io are Gmail, Tuta Mail, Outlook.com and Zoho Mail.