notmain

type Config struct {
	Mailer struct {
		DebugAddr string `validate:"omitempty,hostname_port"`
		DB        cmd.DBConfig
		cmd.SMTPConfig

		// From is an RFC 5322 formatted "From" address for reminder messages,
		// e.g. "Example <example@test.org>"
		From string `validate:"required"`

		// Subject is the Subject line of reminder messages. This is a Go
		// template with a single variable: ExpirationSubject, which contains
		// a list of affected hostnames, possibly truncated.
		Subject string

		// CertLimit is the maximum number of certificates to investigate in a
		// single batch. Defaults to 100.
		CertLimit int `validate:"min=0"`

		// MailsPerAddressPerDay is the maximum number of emails we'll send to
		// a single address in a single day. Defaults to 0 (unlimited).
		// Note that this does not track sends across restarts of the process,
		// so we may send more than this when we restart expiration-mailer.
		// This is a best-effort limitation. Defaults to math.MaxInt.
		MailsPerAddressPerDay int `validate:"min=0"`

		// UpdateChunkSize is the maximum number of rows to update in a single
		// SQL UPDATE statement.
		UpdateChunkSize int `validate:"min=0,max=65535"`

		NagTimes []string `validate:"min=1,dive,required"`

		// Path to a text/template email template with a .gotmpl or .txt file
		// extension.
		EmailTemplate string `validate:"required"`

		// How often to process a batch of certificates
		Frequency config.Duration

		// ParallelSends is the number of parallel goroutines used to process
		// each batch of emails. Defaults to 1.
		ParallelSends uint

		TLS       cmd.TLSConfig
		SAService *cmd.GRPCClientConfig

		// Path to a file containing a list of trusted root certificates for use
		// during the SMTP connection (as opposed to the gRPC connections).
		SMTPTrustedRootFile string

		Features features.Config
	}

	Syslog        cmd.SyslogConfig
	OpenTelemetry cmd.OpenTelemetryConfig
}