Mozilla Thunderbird is a free, open-source email application for managing existing accounts, calendars and contacts. It is a client rather than a replacement mailbox host, making it useful when the aim is to change how email is organised without moving the company’s email provider.
See the vendor’s current capabilities, product information and plan details.
Visit Mozilla Thunderbird ↗People managing existing mail accounts through a configurable email client.
Explore the required features and plan before choosing.Proton Mail is a hosted email service with personal and business plans, web access and dedicated applications. It is a candidate when a team wants to change its mailbox provider; it should not be treated as interchangeable with an application that simply reads an existing mailbox.
Read the comparison →Explore the relevant plan and workflow differences before choosing your shortlist.
Vendor-described capabilities; availability can depend on the plan.
No application licence fee. Budget for email hosting, deployment, backup and support where required.
The Thunderbird application is free. Mail hosting and optional services are separate.
Calculate costs from your vendor quote →Test the same sample work, confirm your required plan and check how to export your data before committing.
The Thunderbird application is free. Mail hosting and optional services are separate.
People managing existing mail accounts through a configurable email client.
Check the tier that contains your essential features, confirm plan limits and compare the total quote with your own expected usage.
