Side by side
Kolab Now vs Tau Mail
Both stand on private email services. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid WebWindowsMac+3
Pick Kolab Now for paid email or groupware with broad platform coverage, custom domains, and standard mail protocols. Consider another service if end-to-end encryption or a free plan is essential.
Visit Kolab Now Free plan AndroidiPhoneWeb
Choose Tau Mail if you want email across web, Android, and iOS with device-side encryption and on-device spam sorting. The free plan includes 1 GB of encrypted storage; Pro adds 50 GB and five custom domains for $8 a month. Consider the iOS push setup detail if background notifications matter to you.
Visit Tau MailThe facts
| Kolab Now | Tau Mail | |
|---|---|---|
| Free plan | No | Yes |
| Open source | Not published | Not published |
| Runs on | Web, Windows, Mac, Linux, iPhone, Android | Android, iPhone, Web |
| Lowest paid plan | Secure Email: 5 CHF a month | Pro: $8 a month |
| Plans published | 2 | 3 |
| Maker | Kolab Now | Not published |
| Website | kolabnow.com | taumail.org |
| On private email services | #20 of 29 | #16 of 29 |
Kolab Now: what it does well
- Available on web, Windows, macOS, Linux, iOS, and Android
- 5 GB storage per mailbox
- Supports IMAP and SMTP
- Custom domains are supported
- 30-day trial available
What to know first
- No free plan
- No end-to-end encryption
- Both listed plans provide 5 GB storage
Tau Mail: what it does well
- Messages are encrypted on the device before they leave.
- Spam detection and priority sorting run on-device.
- Webmail uses the mobile apps' login and needs no installation.
- Users can bring a domain with full DNS control.
- Mobile apps include inbox sync, calendar, and contacts.
What to know first
- The free plan includes 1 GB of encrypted storage and one custom alias.
- Pro costs $8 a month.
- Full background push on iOS requires APNs configuration.
Alternatives to Kolab Now Alternatives to Tau Mail The whole list