KaiMail
6.7#6 in email forwarding servicesFrom ¥550 a monthFree planWebAPI
VisitKaiMail vs SMTP Zen Email Forwarding
SMTP Zen Email Forwarding
6.8#4 in email forwarding servicesFrom $1.20 a monthAndroidiOSWeb
VisitWhat both publish
| Fact | KaiMail | SMTP Zen Email Forwarding |
|---|---|---|
| Intended users | KaiMail describes itself as developer-first email forwarding for developers and teams. | The maker identifies developers sending app emails, small teams, freelancers managing client domains, and domain investors as intended users. |
KaiMail plans
- KaiMail BasicFree
- KaiMail Plus¥550 a month
- KaiMail Pro¥1,650 a month
- KaiMail Business¥5,500 a month
SMTP Zen Email Forwarding plans
- Roll your own$1.20 a month
- Starter SMTP$2.99 a month
- Freelancer SMTP$5.99 a month
- Pro SMTP$11.99 a month
Pick KaiMail if…
KaiMail suits developers and teams that need custom-domain forwarding, outbound email, or webhook delivery. It is best suited to users comfortable configuring DNS and HTTP integrations.
Pick SMTP Zen Email Forwarding if…
It suits developers sending application mail, small teams, freelancers managing client domains, and domain investors. It is useful when inbound custom-domain mail should reach existing inboxes, with hosted mail available when sending is needed.