Best KaiMail Alternatives in 2026
Updated
20 apps from email forwarding services ranked against KaiMail on the same published basis.
- 1KaiMail vs Forward Email
- 2KaiMail vs Haltman mail-forwarding-core
- 3KaiMail vs EForw
- 4KaiMail vs Forward
- 5KaiMail vs ImprovMX
- 6KaiMail vs InboxMail
- 8KaiMail vs Mailcast
- 9KaiMail vs MailerZ
- 10KaiMail vs Cloudflare Email Routing
- 11KaiMail vs Delivery Machine
- 12KaiMail vs polkit
- 13KaiMail vs DNSExit Email Forwarding
- 14KaiMail vs Relais
- 15KaiMail vs SMTP Zen Email Forwarding
- 16KaiMail vs Gomailify
- 17KaiMail vs vuzon
- 18KaiMail vs ForwardMX
- 19KaiMail vs Mailwip
- 20KaiMail vs RacterMX
- 21KaiMail vs Cloudflare Stream
KaiMail alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Forward Email | 6.8 | Free plan | $3/mo | Android, API, iOS, Linux, Mac, self-hosted, Web, Windows |
| 2 | Haltman mail-forwarding-core | 6.5 | Free plan | Free | API, Browser, Linux, self-hosted, Web |
| 3 | EForw | 6.4 | Free plan | $1.99/mo | Web |
| 4 | Forward | 6.4 | Free plan | $2/mo | API, Web |
| 5 | ImprovMX | 6.4 | Free plan | $4.17/mo | API, Web |
| 6 | InboxMail | 6.4 | Free plan | €5/mo | API, Web |
| 8 | Mailcast | 6.4 | Free plan | $2/mo | API, Web |
| 9 | MailerZ | 6.4 | Free plan | $3.33/mo | API, Web |
| 10 | Cloudflare Email Routing | 6.3 | Free plan | Free | Web |
| 11 | Delivery Machine | 6.3 | Free plan | $5/mo | API |
| 12 | polkit | 5.3 | No | — | API, Linux |
| 13 | DNSExit Email Forwarding | 5.2 | No | — | Web |
| 14 | Relais | 5.2 | No | — | Web |
| 15 | SMTP Zen Email Forwarding | 5.2 | No | $1.20/mo | Android, iOS, Web |
| 16 | Gomailify | 5.1 | No | $1/mo | Android, iOS, Web |
| 17 | vuzon | 5.1 | No | — | Web |
| 18 | ForwardMX | 5.0 | No | €2.50/mo | API, Web |
| 19 | Mailwip | 5.0 | No | $0.83/mo | API, Web |
| 20 | RacterMX | 5.0 | No | $1/mo | API, Web |
| 21 | Cloudflare Stream | 4.8 | No | $1/mo | — |
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Questions about KaiMail alternatives
What is the best alternative to KaiMail?
Forward Email, number 1 in email forwarding services with a score of 6.8 out of 10. The others here: Haltman mail-forwarding-core, EForw, Forward and 16 more.
What is the best free alternative to KaiMail?
Forward Email is the best-ranked alternative with a free plan. 10 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.