Reset password fails in production

[christoph-maurer]

A project partner and I have the same problem when we click on buildingenvelopedate.org on Login>Forgot Password>Reset Password.

Errors
The form contains errors.
Unexpected Execution Error

is shown. The logs show

backend-1        | [09:49:40 INF] HTTP POST /graphql/ responded 200 in 5184.9210 ms
reverse_proxy-1  | 172.20.0.1 - - [06/May/2026:09:49:40 +0000] "POST /graphql/ HTTP/1.1" 200 148 "https://www.buildingenvelopedata.org/users/forgot-password?returnTo=%2Fconnect%2Fauthorize%3Fclient_id%3Dmetabase%26request_uri%3Durn%253Aietf%253Aparams%253Aoauth%253Arequest_uri%253AAtvNaj5GxQiJujHV7KDPt7DNnZJoDPLkXq1OzwE0O9U" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36" "129.233.192.128"
reverse_proxy-1  | 172.20.0.1 - - [06/May/2026:09:49:53 +0000] "GET /health HTTP/1.1" 200 601 "-" "Monit/5.34.3" "172.26.0.1"
backend-1        | [09:49:53 INF] HTTP GET /health responded 200 in 0.8084 ms

@simonwacker Can we analyze and solve it together?

[simonwacker]

The exception with stacktrace is

backend-1  | MailKit.Net.Smtp.SmtpCommandException: #5.1.8 Domain of sender address <metabase@www.buildingenvelopedata.org> does not exist
backend-1  |    at MailKit.Net.Smtp.SmtpClient.OnSenderNotAccepted(MimeMessage message, MailboxAddress mailbox, SmtpResponse response)
backend-1  |    at MailKit.Net.Smtp.SmtpClient.ParseMailFromResponse(MimeMessage message, MailboxAddress mailbox, SmtpResponse response)
backend-1  |    at MailKit.Net.Smtp.SmtpClient.MailFrom(FormatOptions options, MimeMessage message, MailboxAddress mailbox, SmtpExtensions extensions, Int64 size, Boolean pipeline, CancellationToken cancellationToken)
backend-1  |    at MailKit.Net.Smtp.SmtpClient.Send(FormatOptions options, MimeMessage message, MailboxAddress sender, IList`1 recipients, CancellationToken cancellationToken, ITransferProgress progress)
backend-1  |    at MailKit.Net.Smtp.SmtpClient.Send(FormatOptions options, MimeMessage message, CancellationToken cancellationToken, ITransferProgress progress)
backend-1  |    at MailKit.MailTransport.Send(MimeMessage message, CancellationToken cancellationToken, ITransferProgress progress)
backend-1  |    at Metabase.Services.EmailSender.SendAsync(ValueTuple`2 recipient, String subject, String body) in /app/src/Services/EmailSender.cs:line 61
backend-1  |    at Metabase.GraphQl.Users.UserMutations.RequestUserPasswordResetAsync(RequestUserPasswordResetInput input, UserManager`1 userManager, IEmailSender emailSender, UrlEncoder urlEncoder, AppSettings appSettings) in /app/src/GraphQl/Users/UserMutations.cs:line 581
backend-1  |    at HotChocolate.Resolvers.Expressions.ExpressionHelper.AwaitTaskHelper[T](Task`1 task)
backend-1  |    at HotChocolate.Types.Helpers.FieldMiddlewareCompiler.<>c__DisplayClass9_0.<<CreateResolverMiddleware>b__0>d.MoveNext()
backend-1  | --- End of stack trace from previous location ---
backend-1  |    at Metabase.GraphQl.Users.UserObjectFieldDescriptorExtensions.<>c__DisplayClass1_1.<<UseUserManager>b__1>d.MoveNext() in /app/src/GraphQl/Users/UserObjectFieldDescriptorExtensions.cs:line 51
backend-1  | --- End of stack trace from previous location ---
backend-1  |    at HotChocolate.Execution.Processing.Tasks.ResolverTask.ExecuteResolverPipelineAsync(CancellationToken cancellationToken)
backend-1  |    at HotChocolate.Execution.Processing.Tasks.ResolverTask.TryExecuteAsync(CancellationToken cancellationToken)
backend-1  | [14:59:33 ERR] Operation error. Document: null

[christoph-maurer]

We have removed the www. in metabase@www.buildingenvelopedata.org in 386c346. The error should disappear when the commit is deployed.

[christoph-maurer]

I have verified that resetting the password succeeds now in production.