this mail not sent:
vaultwarden | [2026-04-21 07:16:51.786][request][INFO] POST /identity/accounts/register/send-verification-email
vaultwarden | [2026-04-21 07:16:52.629][response][INFO] (register_verification_email) POST /identity/accounts/register/send-verification-email => 204 No Content
this mail sent:
vaultwarden | [2026-04-21 07:17:08.751][request][INFO] POST /identity/accounts/register/send-verification-email
vaultwarden | [2026-04-21 07:17:09.924][response][INFO] (register_verification_email) POST /identity/accounts/register/send-verification-email => 204 No Content
Screenshots or Videos
No response
Additional Context
No response
Originally created by @saskuu on GitHub (Apr 21, 2026).
Original GitHub issue: https://github.com/dani-garcia/vaultwarden/issues/7116
### Prerequisites
- [x] I have searched the existing **Closed _AND_ Open** [Issues](https://github.com/dani-garcia/vaultwarden/issues?q=is%3Aissue%20) **_AND_** [Discussions](https://github.com/dani-garcia/vaultwarden/discussions?discussions_q=)
- [x] I have searched and read the [documentation](https://github.com/dani-garcia/vaultwarden/wiki/)
### Vaultwarden Support String
{"message":"Handlebars","validationErrors":{"":["Handlebars"]},"errorModel":{"message":"Handlebars","object":"error"},"error":"","error_description":"","exceptionMessage":null,"exceptionStackTrace":null,"innerExceptionMessage":null,"object":"error"}
### Vaultwarden Build Version
1.35.7
### Deployment method
Official Container Image
### Custom deployment method
_No response_
### Reverse Proxy
apache but without proxy doesn't work either
### Host/Server Operating System
Linux
### Operating System Version
Ubuntu 24.04.4 LTS
### Clients
Web Vault
### Client Version
Firefox 149.0
### Steps To Reproduce
1. Go to 'https://vaultwarden.site/'
2. Click on 'Create account'
3. Enter email with "-": name.family-second@mail.com
4. Enter name: name
5. Click on 'Continue'
6. On mail server: nothing happens
7. with mail name.family+second@mail.com - mail is being sent
### Expected Result
receive mail
### Actual Result
mail not sent
but from https://vaultwarden.site/admin
- SMTP Email Settings
- Test SMTP
and mail is sent and recived
### Logs
```text
this mail not sent:
vaultwarden | [2026-04-21 07:16:51.786][request][INFO] POST /identity/accounts/register/send-verification-email
vaultwarden | [2026-04-21 07:16:52.629][response][INFO] (register_verification_email) POST /identity/accounts/register/send-verification-email => 204 No Content
this mail sent:
vaultwarden | [2026-04-21 07:17:08.751][request][INFO] POST /identity/accounts/register/send-verification-email
vaultwarden | [2026-04-21 07:17:09.924][response][INFO] (register_verification_email) POST /identity/accounts/register/send-verification-email => 204 No Content
```
### Screenshots or Videos
_No response_
### Additional Context
_No response_
GiteaMirror
added the bug label 2026-06-17 09:50:33 -05:00
<!-- gh-comment-id:4286748586 -->
@stefan0xC commented on GitHub (Apr 21, 2026):
> {"message":"Handlebars","validationErrors":{"":["Handlebars"]},"errorModel":{"message":"Handlebars","object":"error"},"error":"","error_description":"","exceptionMessage":null,"exceptionStackTrace":null,"innerExceptionMessage":null,"object":"error"}
Where does this error come from?
Blocking a user prevents them from interacting with repositories, such as opening or commenting on pull requests or issues. Learn more about blocking a user.
Originally created by @saskuu on GitHub (Apr 21, 2026).
Original GitHub issue: https://github.com/dani-garcia/vaultwarden/issues/7116
Prerequisites
Vaultwarden Support String
{"message":"Handlebars","validationErrors":{"":["Handlebars"]},"errorModel":{"message":"Handlebars","object":"error"},"error":"","error_description":"","exceptionMessage":null,"exceptionStackTrace":null,"innerExceptionMessage":null,"object":"error"}
Vaultwarden Build Version
1.35.7
Deployment method
Official Container Image
Custom deployment method
No response
Reverse Proxy
apache but without proxy doesn't work either
Host/Server Operating System
Linux
Operating System Version
Ubuntu 24.04.4 LTS
Clients
Web Vault
Client Version
Firefox 149.0
Steps To Reproduce
Expected Result
receive mail
Actual Result
mail not sent
but from https://vaultwarden.site/admin
and mail is sent and recived
Logs
Screenshots or Videos
No response
Additional Context
No response
@stefan0xC commented on GitHub (Apr 21, 2026):
Where does this error come from?