diff --git a/main.tf b/main.tf
index 3d03ebd..23de783 100644
--- a/main.tf
+++ b/main.tf
@@ -47,7 +47,7 @@ data "aws_iam_policy_document" "server_assetstore" {
 }
 
 module "smtp" {
-  source = "./modules/smtp"
+  source = "girder/girder4/heroku//modules/smtp"
 
   project_slug    = var.project_slug
   route53_zone_id = var.route53_zone_id
diff --git a/modules/smtp/main.tf b/modules/smtp/main.tf
deleted file mode 100644
index ab2a9d3..0000000
--- a/modules/smtp/main.tf
+++ /dev/null
@@ -1,55 +0,0 @@
-resource "aws_ses_domain_identity" "smtp" {
-  domain = var.fqdn
-}
-
-resource "aws_route53_record" "smtp_verification" {
-  zone_id = var.route53_zone_id
-  name    = "_amazonses.${var.fqdn}"
-  type    = "TXT"
-  ttl     = "1800"
-  records = [aws_ses_domain_identity.smtp.verification_token]
-}
-
-resource "aws_ses_domain_identity_verification" "smtp_verification" {
-  domain     = aws_ses_domain_identity.smtp.id
-  depends_on = [aws_route53_record.smtp_verification]
-}
-
-resource "aws_ses_domain_dkim" "smtp" {
-  domain = aws_ses_domain_identity.smtp.domain
-}
-
-resource "aws_route53_record" "smtp_dkim" {
-  count   = 3
-  zone_id = var.route53_zone_id
-  name    = "${element(aws_ses_domain_dkim.smtp.dkim_tokens, count.index)}._domainkey.${var.fqdn}"
-  type    = "CNAME"
-  ttl     = "1800"
-  records = ["${element(aws_ses_domain_dkim.smtp.dkim_tokens, count.index)}.dkim.amazonses.com"]
-}
-
-# TODO: setup bounce notification to SNS
-# https://www.terraform.io/docs/providers/aws/r/ses_identity_notification_topic.html
-
-resource "aws_iam_user" "smtp" {
-  name = "${var.project_slug}-smtp"
-}
-
-# https://docs.aws.amazon.com/ses/latest/DeveloperGuide/smtp-credentials.html
-resource "aws_iam_access_key" "smtp" {
-  user = aws_iam_user.smtp.name
-}
-
-resource "aws_iam_user_policy" "smtp" {
-  user   = aws_iam_user.smtp.id
-  name   = "${var.project_slug}-smtp"
-  policy = data.aws_iam_policy_document.smtp.json
-}
-
-data "aws_iam_policy_document" "smtp" {
-  statement {
-    # https://docs.aws.amazon.com/ses/latest/DeveloperGuide/control-user-access.html
-    resources = [aws_ses_domain_identity.smtp.arn]
-    actions   = ["ses:SendRawEmail"]
-  }
-}
diff --git a/modules/smtp/outputs.tf b/modules/smtp/outputs.tf
deleted file mode 100644
index d855e94..0000000
--- a/modules/smtp/outputs.tf
+++ /dev/null
@@ -1,24 +0,0 @@
-data "aws_region" "current" {}
-
-output "host" {
-  # https://docs.aws.amazon.com/ses/latest/DeveloperGuide/smtp-connect.html
-  # SES is only available in limited regions, but provisioning should fail for other regions
-  value       = "email-smtp.${data.aws_region.current.name}.amazonaws.com"
-  description = "The hostname for the outgoing SMTP server."
-}
-
-output "port" {
-  value       = 587
-  description = "The port for the outgoing SMTP server."
-}
-
-output "username" {
-  value       = aws_iam_access_key.smtp.id
-  description = "The username for the outgoing SMTP server."
-}
-
-output "password" {
-  value       = aws_iam_access_key.smtp.ses_smtp_password_v4
-  sensitive   = true
-  description = "The password for the outgoing SMTP server."
-}
diff --git a/modules/smtp/variables.tf b/modules/smtp/variables.tf
deleted file mode 100644
index 1b75897..0000000
--- a/modules/smtp/variables.tf
+++ /dev/null
@@ -1,17 +0,0 @@
-variable "project_slug" {
-  type        = string
-  nullable    = true
-  description = "A slugified name, used to label AWS resources."
-}
-
-variable "route53_zone_id" {
-  type        = string
-  nullable    = true
-  description = "The Route 53 zone ID to create new DNS records within."
-}
-
-variable "fqdn" {
-  type        = string
-  nullable    = true
-  description = "The fully-qualified domain name for outgoing emails."
-}
diff --git a/modules/smtp/versions.tf b/modules/smtp/versions.tf
deleted file mode 100644
index 1182721..0000000
--- a/modules/smtp/versions.tf
+++ /dev/null
@@ -1,9 +0,0 @@
-terraform {
-  required_version = ">= 1.1"
-
-  required_providers {
-    aws = {
-      source = "hashicorp/aws"
-    }
-  }
-}