diff --git a/src/cert_store.rs b/src/cert_store.rs
index 4cc2fc0..2834795 100644
--- a/src/cert_store.rs
+++ b/src/cert_store.rs
@@ -18,18 +18,20 @@ use crate::proxy_config::*;
 
 pub struct CertStore {
 	consul: Consul,
+	letsencrypt_email: String,
 	certs: RwLock<HashMap<String, Arc<Cert>>>,
 	self_signed_certs: RwLock<HashMap<String, Arc<Cert>>>,
 	rx_proxy_config: watch::Receiver<Arc<ProxyConfig>>,
 }
 
 impl CertStore {
-	pub fn new(consul: Consul, rx_proxy_config: watch::Receiver<Arc<ProxyConfig>>) -> Arc<Self> {
+	pub fn new(consul: Consul, rx_proxy_config: watch::Receiver<Arc<ProxyConfig>>, letsencrypt_email: String) -> Arc<Self> {
 		Arc::new(Self {
 			consul,
 			certs: RwLock::new(HashMap::new()),
 			self_signed_certs: RwLock::new(HashMap::new()),
 			rx_proxy_config,
+			letsencrypt_email,
 		})
 	}
 
@@ -157,7 +159,7 @@ impl CertStore {
 		// ---- Do let's encrypt stuff ----
 
 		let dir = Directory::from_url(DirectoryUrl::LetsEncrypt)?;
-		let contact = vec!["mailto:alex@adnab.me".to_string()];
+		let contact = vec![format!("mailto:{}", self.letsencrypt_email)];
 
 		let acc =
 			if let Some(acc_privkey) = self.consul.kv_get("letsencrypt_account_key.pem").await? {
diff --git a/src/main.rs b/src/main.rs
index 481fe35..bea09bd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -52,6 +52,13 @@ struct Opt {
 		default_value = "0.0.0.0:443"
 	)]
 	pub https_bind_addr: SocketAddr,
+
+	/// E-mail address for Let's Encrypt certificate requests
+	#[structopt(
+		long = "letsencrypt-email",
+		env = "TRICOT_LETSENCRYPT_EMAIL",
+	)]
+	pub letsencrypt_email: String,
 }
 
 #[tokio::main(flavor = "multi_thread", worker_threads = 10)]
@@ -68,7 +75,7 @@ async fn main() {
 	let consul = consul::Consul::new(&opt.consul_addr, &opt.consul_kv_prefix, &opt.node_name);
 	let mut rx_proxy_config = proxy_config::spawn_proxy_config_task(consul.clone());
 
-	let cert_store = cert_store::CertStore::new(consul.clone(), rx_proxy_config.clone());
+	let cert_store = cert_store::CertStore::new(consul.clone(), rx_proxy_config.clone(), opt.letsencrypt_email.clone());
 	tokio::spawn(cert_store.clone().watch_proxy_config());
 
 	tokio::spawn(http::serve_http(opt.http_bind_addr, consul.clone()));