diff --git a/internal/mailer/templates/user_welcome.tmpl b/internal/mailer/templates/user_welcome.tmpl
new file mode 100644
index 0000000..179cb38
--- /dev/null
+++ b/internal/mailer/templates/user_welcome.tmpl
@@ -0,0 +1,34 @@
+{{define "subject"}}Welcome to Greenlight!{{end}}
+
+{{define "plainBody"}}
+Hi,
+
+Thanks for signing up for a Greenlight account. We're excited to have you on board!
+
+For future reference, your user ID number is {{.ID}}.
+
+Thanks,
+
+The Greenlight Team
+
+{{end}}
+
+{{define "htmlBody"}}
+
+
+
+
+
+
+
+
+
+ Hi,
+ Thanks for signing up for a Greenlight account. We're excited to have you on board!
+ For future reference, your user ID number is {{.ID}}.
+ Thanks,
+ The Greenlight Team
+
+
+
+{{end}}