
Aster Mail
9.2#1 in email providersFrom $2.42 a monthFree planAndroidiOSWebLinux
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| Fact | Aster Mail | StartMail |
|---|---|---|
| Custom domain | Yes | Yes |
| End-to-end encryption | Yes | Yes |
| Founded | 2026 | 2013 |
| Free plan | Yes | No |
| Headquarters | Orlando, Florida, United States | The Hague, Netherlands |
| Mailbox storage | 50 | 20 |
| Mail protocol support | bridge | imap_smtp |
| Paid from | 2.42 | 4.99 |
Aster Mail may suit people seeking an open-source email service with encrypted mail between Aster accounts and desktop mail app access. It also has import options for users moving from named providers or other IMAP services.
StartMail suits people who want encrypted email with custom domains and access through web or supported desktop and mobile platforms. Personal covers an individual domain; Business is suited to groups needing shared aliases and multiple domains.