zammad/app/frontend/apps/desktop/entities/channel-email/graphql/mutations/channelEmailValidateConfigurationInbound.graphql

mutation channelEmailValidateConfigurationInbound(
  $inboundConfiguration: ChannelEmailInboundConfigurationInput!
) {
  channelEmailValidateConfigurationInbound(
    inboundConfiguration: $inboundConfiguration
  ) {
    success
    mailboxStats {
      contentMessages
    }
    errors {
      ...errors
    }
  }
}