add redis process, put circus in charge of process management

1 files changed, 9 insertions, 0 deletions

diff --git a/srv/mailinglist/mailer.go b/srv/mailinglist/mailer.go
index 81d0b91..12fc398 100644
--- a/srv/mailinglist/mailer.go
+++ b/srv/mailinglist/mailer.go
@@ -10,6 +10,15 @@ type Mailer interface {
 	Send(to, subject, body string) error
 }
 
+// NullMailer acts as a Mailer but actually just does nothing.
+var NullMailer = nullMailer{}
+
+type nullMailer struct{}
+
+func (nullMailer) Send(to, subject, body string) error {
+	return nil
+}
+
 // MailerParams are used to initialize a new Mailer instance
 type MailerParams struct {
 	SMTPAddr string