diff --git a/.env.example b/.env.example
index c9ad28d..54219aa 100644
--- a/.env.example
+++ b/.env.example
@@ -1,3 +1,5 @@
 DATABASE_URL=postgres://postgres:dayscode@localhost/codedays?sslmode=disable
 SERVER.HOST=127.0.0.1
 SERVER.PORT=8000
+mailgun.domain=
+mailgun.api_key=
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
index 0026fbe..736106b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -424,6 +424,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "bumpalo"
+version = "3.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
+
 [[package]]
 name = "byteorder"
 version = "1.3.4"
@@ -491,6 +497,7 @@ dependencies = [
  "dotenv",
  "fernet",
  "listenfd",
+ "mailgun_v3",
  "serde 1.0.114",
  "serde_derive",
  "serde_json",
@@ -528,6 +535,22 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2df960f5d869b2dd8532793fde43eb5427cceb126c929747a26823ab0eeb536"
 
+[[package]]
+name = "core-foundation"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57d24c7a13c43e870e37c1556b74555437870a04514f7685f5b354e090567171"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
+[[package]]
+name = "core-foundation-sys"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b3a71ab494c0b5b860bdc8407ae08978052417070c2ced38573a9157ad75b8ac"
+
 [[package]]
 name = "crc32fast"
 version = "1.2.0"
@@ -977,12 +1000,59 @@ dependencies = [
  "itoa",
 ]
 
+[[package]]
+name = "http-body"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13d5ff830006f7646652e057693569bfe0d51760c0085a071769d142a205111b"
+dependencies = [
+ "bytes",
+ "http",
+]
+
 [[package]]
 name = "httparse"
 version = "1.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cd179ae861f0c2e53da70d892f5f3029f9594be0c41dc5269cd371691b1dc2f9"
 
+[[package]]
+name = "hyper"
+version = "0.13.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3e68a8dd9716185d9e64ea473ea6ef63529252e3e27623295a0378a19665d5eb"
+dependencies = [
+ "bytes",
+ "futures-channel",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "httparse",
+ "itoa",
+ "pin-project",
+ "socket2",
+ "time",
+ "tokio",
+ "tower-service",
+ "tracing",
+ "want",
+]
+
+[[package]]
+name = "hyper-tls"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d979acc56dcb5b8dddba3917601745e877576475aa046df3226eabdecef78eed"
+dependencies = [
+ "bytes",
+ "hyper",
+ "native-tls",
+ "tokio",
+ "tokio-tls",
+]
+
 [[package]]
 name = "idna"
 version = "0.2.0"
@@ -1028,15 +1098,30 @@ dependencies = [
  "socket2",
  "widestring",
  "winapi 0.3.9",
- "winreg",
+ "winreg 0.6.2",
 ]
 
+[[package]]
+name = "ipnet"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47be2f14c678be2fdcab04ab1171db51b2762ce6f0a8ee87c8dd4a04ed216135"
+
 [[package]]
 name = "itoa"
 version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
 
+[[package]]
+name = "js-sys"
+version = "0.3.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85a7e2c92a4804dd459b86c339278d0fe87cf93757fae222c3fa3ae75458bc73"
+dependencies = [
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "kernel32-sys"
 version = "0.2.2"
@@ -1132,6 +1217,19 @@ dependencies = [
  "linked-hash-map 0.5.3",
 ]
 
+[[package]]
+name = "mailgun_v3"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50f1a4191e3ac4c4becab47a470e3a23da4570f9f92f5957e69cb737fe696635"
+dependencies = [
+ "chrono",
+ "reqwest",
+ "serde 1.0.114",
+ "serde_derive",
+ "serde_json",
+]
+
 [[package]]
 name = "match_cfg"
 version = "0.1.0"
@@ -1171,6 +1269,16 @@ version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
 
+[[package]]
+name = "mime_guess"
+version = "2.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2684d4c2e97d99848d30b324b00c8fcc7e5c897b7cbb5819b09e7c90e8baf212"
+dependencies = [
+ "mime",
+ "unicase",
+]
+
 [[package]]
 name = "miniz_oxide"
 version = "0.4.0"
@@ -1222,6 +1330,24 @@ dependencies = [
  "ws2_32-sys",
 ]
 
+[[package]]
+name = "native-tls"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b0d88c06fe90d5ee94048ba40409ef1d9315d86f6f38c2efdaad4fb50c58b2d"
+dependencies = [
+ "lazy_static",
+ "libc",
+ "log",
+ "openssl",
+ "openssl-probe",
+ "openssl-sys",
+ "schannel",
+ "security-framework",
+ "security-framework-sys",
+ "tempfile",
+]
+
 [[package]]
 name = "net2"
 version = "0.2.34"
@@ -1308,6 +1434,12 @@ dependencies = [
  "openssl-sys",
 ]
 
+[[package]]
+name = "openssl-probe"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
+
 [[package]]
 name = "openssl-sys"
 version = "0.9.58"
@@ -1518,6 +1650,51 @@ version = "0.6.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26412eb97c6b088a6997e05f69403a802a92d520de2f8e63c2b65f9e0f47c4e8"
 
+[[package]]
+name = "remove_dir_all"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
+dependencies = [
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "reqwest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12427a5577082c24419c9c417db35cfeb65962efc7675bb6b0d5f1f9d315bfe6"
+dependencies = [
+ "base64 0.12.3",
+ "bytes",
+ "encoding_rs",
+ "futures-core",
+ "futures-util",
+ "http",
+ "http-body",
+ "hyper",
+ "hyper-tls",
+ "ipnet",
+ "js-sys",
+ "lazy_static",
+ "log",
+ "mime",
+ "mime_guess",
+ "native-tls",
+ "percent-encoding",
+ "pin-project-lite",
+ "serde 1.0.114",
+ "serde_json",
+ "serde_urlencoded",
+ "tokio",
+ "tokio-tls",
+ "url",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "winreg 0.7.0",
+]
+
 [[package]]
 name = "resolv-conf"
 version = "0.6.3"
@@ -1558,12 +1735,45 @@ version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 
+[[package]]
+name = "schannel"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f05ba609c234e60bee0d547fe94a4c7e9da733d1c962cf6e59efa4cd9c8bc75"
+dependencies = [
+ "lazy_static",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
+[[package]]
+name = "security-framework"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64808902d7d99f78eaddd2b4e2509713babc3dc3c85ad6f4c447680f3c01e535"
+dependencies = [
+ "bitflags",
+ "core-foundation",
+ "core-foundation-sys",
+ "libc",
+ "security-framework-sys",
+]
+
+[[package]]
+name = "security-framework-sys"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17bf11d99252f512695eb468de5516e5cf75455521e69dfe343f3b74e4748405"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "serde"
 version = "0.8.23"
@@ -1779,6 +1989,20 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
 
+[[package]]
+name = "tempfile"
+version = "3.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "rand",
+ "redox_syscall",
+ "remove_dir_all",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "term"
 version = "0.6.1"
@@ -1830,6 +2054,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5d34ca54d84bf2b5b4d7d31e901a8464f7b60ac145a284fba25ceb801f2ddccd"
 dependencies = [
  "bytes",
+ "fnv",
  "futures-core",
  "iovec",
  "lazy_static",
@@ -1837,12 +2062,23 @@ dependencies = [
  "memchr",
  "mio",
  "mio-uds",
+ "num_cpus",
  "pin-project-lite",
  "signal-hook-registry",
  "slab",
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "tokio-tls"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a70f4fcd7b3b24fb194f837560168208f669ca8cb70d0c4b862944452396343"
+dependencies = [
+ "native-tls",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-util"
 version = "0.2.0"
@@ -1880,6 +2116,12 @@ dependencies = [
  "serde 1.0.114",
 ]
 
+[[package]]
+name = "tower-service"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e987b6bf443f4b5b3b6f38704195592cca41c5bb7aedd3c3693c7081f8289860"
+
 [[package]]
 name = "tracing"
 version = "0.1.17"
@@ -1939,6 +2181,21 @@ dependencies = [
  "trust-dns-proto",
 ]
 
+[[package]]
+name = "try-lock"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
+
+[[package]]
+name = "unicase"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
+dependencies = [
+ "version_check",
+]
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.4"
@@ -2007,12 +2264,100 @@ version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
 
+[[package]]
+name = "want"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
+dependencies = [
+ "log",
+ "try-lock",
+]
+
 [[package]]
 name = "wasi"
 version = "0.9.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.67"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0563a9a4b071746dd5aedbc3a28c6fe9be4586fb3fbadb67c400d4f53c6b16c"
+dependencies = [
+ "cfg-if",
+ "serde 1.0.114",
+ "serde_json",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.67"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc71e4c5efa60fb9e74160e89b93353bc24059999c0ae0fb03affc39770310b0"
+dependencies = [
+ "bumpalo",
+ "lazy_static",
+ "log",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.4.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95f8d235a77f880bcef268d379810ea6c0af2eacfa90b1ad5af731776e0c4699"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.67"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97c57cefa5fa80e2ba15641578b44d36e7a64279bc5ed43c6dbaf329457a2ed2"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.67"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "841a6d1c35c6f596ccea1f82504a192a60378f64b3bb0261904ad8f2f5657556"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.67"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93b162580e34310e5931c4b792560108b10fd14d64915d7fff8ff00180e70092"
+
+[[package]]
+name = "web-sys"
+version = "0.3.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dda38f4e5ca63eda02c059d243aa25b5f35ab98451e518c51612cd0f1bd19a47"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "widestring"
 version = "0.4.2"
@@ -2062,6 +2407,15 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "winreg"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0120db82e8a1e0b9fb3345a539c478767c0048d842860994d96113d5b667bd69"
+dependencies = [
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "ws2_32-sys"
 version = "0.2.1"
diff --git a/Cargo.toml b/Cargo.toml
index 7c3275c..58b4516 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,4 +22,7 @@ slog-async = "2.4.0"
 slog-envlogger = "2.2.0"
 config = "0.10.1"
 fernet="0.1.3"
-base64="0.12.3"
\ No newline at end of file
+base64="0.12.3"
+mailgun_v3="0.9.0"
+
+[dev-dependencies]
diff --git a/src/config.rs b/src/config.rs
index 0f66944..ffee383 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -11,10 +11,17 @@ pub struct ServerConfig {
     pub port: i32,
 }
 
+#[derive(Deserialize)]
+pub struct MailgunCredential {
+    pub api_key: String,
+    pub domain: String,
+}
+
 #[derive(Deserialize)]
 pub struct Config {
     pub server: ServerConfig,
     // pub pg: deadpool_postgres::Config,
+    pub mailgun: MailgunCredential,
 }
 
 impl Config {
diff --git a/src/subscriber/utils.rs b/src/subscriber/utils.rs
index 87c68fe..7d92b7a 100644
--- a/src/subscriber/utils.rs
+++ b/src/subscriber/utils.rs
@@ -1,5 +1,8 @@
+use crate::config::Config;
 use base64;
 use fernet;
+use mailgun_v3::email::{send_email, EmailAddress, Message, MessageBody};
+use mailgun_v3::Credentials;
 
 ///加密字符串
 fn encrypt(plaintext: String, with_key: String) -> String {
@@ -20,6 +23,31 @@ fn decrypt(encrypted_text: String, with_key: String) -> String {
     String::from_utf8(origin_text).unwrap()
 }
 
+// TODO: aync
+///发送邮件
+pub fn send_an_email(
+    subject: String,
+    message: String,
+    html_message: String,
+    recipient: String,
+) -> bool {
+    let config = Config::from_env().unwrap();
+    let key = config.mailgun.api_key;
+    let domain = config.mailgun.domain;
+    let creds = Credentials::new(&key, &domain);
+    let recipient = EmailAddress::address(&recipient);
+    let message = Message {
+        to: vec![recipient],
+        subject: subject,
+        body: MessageBody::HtmlAndText(html_message, message),
+        ..Default::default()
+    };
+    let sender = EmailAddress::name_address("CodeDays", "mail@codedays.app");
+
+    let res = send_email(&creds, &sender, message);
+    res.is_ok()
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;