diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 84413d3..dd57f60 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -64,12 +64,12 @@ jobs:
         if: matrix.target == 'aarch64-unknown-linux-gnu'
         run: |
           cargo install cross --force
-          cross build --release --features vendored-openssl --target=${{ matrix.target }}
+          cross build --release --target=${{ matrix.target }}
 
       - name: Build Rust backend
         if: matrix.target != 'aarch64-unknown-linux-gnu'
         run: |
-          cargo build --release --features vendored-openssl --target=${{ matrix.target }}  
+          cargo build --release --target=${{ matrix.target }}  
 
       - name: Strip binary (Linux and macOS)
         if: matrix.os != 'windows-latest' && matrix.target != 'aarch64-unknown-linux-gnu'
diff --git a/Cargo.lock b/Cargo.lock
index 9e78b6e..6bb1b7b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -436,12 +436,13 @@ checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
 [[package]]
 name = "bb8"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "212d8b8e1a22743d9241575c6ba822cf9c8fef34771c86ab7e477a4fbfd254e5"
+checksum = "457d7ed3f888dfd2c7af56d4975cade43c622f74bdcddfed6d4352f57acc6310"
 dependencies = [
  "futures-util",
  "parking_lot",
+ "portable-atomic",
  "tokio",
 ]
 
@@ -466,7 +467,7 @@ dependencies = [
  "governor",
  "hex",
  "html2text",
- "http 1.3.1",
+ "http 1.4.0",
  "imap-proto",
  "itertools 0.14.0",
  "itoa",
@@ -480,7 +481,6 @@ dependencies = [
  "native_model",
  "num_cpus",
  "oauth2",
- "openssl-sys",
  "poem",
  "poem-derive",
  "poem-openapi",
@@ -919,16 +919,6 @@ dependencies = [
  "version_check",
 ]
 
-[[package]]
-name = "core-foundation"
-version = "0.9.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91e195e091a93c46f7102ec7818a2aa394e1e1771c3ab4825963fa03e45afb8f"
-dependencies = [
- "core-foundation-sys",
- "libc",
-]
-
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.7"
@@ -1433,21 +1423,6 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77ce24cb58228fbb8aa041425bb1050850ac19177686ea6e0f41a70416f56fdb"
 
-[[package]]
-name = "foreign-types"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
-dependencies = [
- "foreign-types-shared",
-]
-
-[[package]]
-name = "foreign-types-shared"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
-
 [[package]]
 name = "form_urlencoded"
 version = "1.2.2"
@@ -1749,7 +1724,7 @@ dependencies = [
  "fnv",
  "futures-core",
  "futures-sink",
- "http 1.3.1",
+ "http 1.4.0",
  "indexmap",
  "slab",
  "tokio",
@@ -1805,7 +1780,7 @@ dependencies = [
  "base64 0.21.7",
  "bytes 1.11.0",
  "headers-core",
- "http 1.3.1",
+ "http 1.4.0",
  "httpdate",
  "mime",
  "sha1 0.10.6",
@@ -1817,7 +1792,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "54b4a22553d4242c49fddb9ba998a99962b5cc6f22cb5a3482bec22522403ce4"
 dependencies = [
- "http 1.3.1",
+ "http 1.4.0",
 ]
 
 [[package]]
@@ -1991,12 +1966,11 @@ dependencies = [
 
 [[package]]
 name = "http"
-version = "1.3.1"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4a85d31aea989eead29a3aaf9e1115a180df8282431156e533de47660892565"
+checksum = "e3ba2a386d7f85a81f119ad7498ebe444d2e22c2af0b86b069416ace48b3311a"
 dependencies = [
  "bytes 1.11.0",
- "fnv",
  "itoa",
 ]
 
@@ -2007,7 +1981,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1efedce1fb8e6913f23e0c92de8e62cd5b772a67e7b3946df930a62566c93184"
 dependencies = [
  "bytes 1.11.0",
- "http 1.3.1",
+ "http 1.4.0",
 ]
 
 [[package]]
@@ -2018,7 +1992,7 @@ checksum = "793429d76616a256bcb62c2a2ec2bed781c8307e797e2598c50010f2bee2544f"
 dependencies = [
  "bytes 1.11.0",
  "futures-util",
- "http 1.3.1",
+ "http 1.4.0",
  "http-body",
  "pin-project-lite",
 ]
@@ -2081,7 +2055,7 @@ dependencies = [
  "futures-channel",
  "futures-util",
  "h2",
- "http 1.3.1",
+ "http 1.4.0",
  "http-body",
  "httparse",
  "httpdate",
@@ -2099,7 +2073,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08afdbb5c31130e3034af566421053ab03787c640246a446327f550d11bcb333"
 dependencies = [
  "futures-util",
- "http 1.3.1",
+ "http 1.4.0",
  "hyper",
  "hyper-util",
  "rustls",
@@ -2110,22 +2084,6 @@ dependencies = [
  "webpki-roots 0.26.10",
 ]
 
-[[package]]
-name = "hyper-tls"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70206fc6890eaca9fde8a0bf71caa2ddfc9fe045ac9e5c70df101a7dbde866e0"
-dependencies = [
- "bytes 1.11.0",
- "http-body-util",
- "hyper",
- "hyper-util",
- "native-tls",
- "tokio",
- "tokio-native-tls",
- "tower-service",
-]
-
 [[package]]
 name = "hyper-util"
 version = "0.1.16"
@@ -2137,7 +2095,7 @@ dependencies = [
  "futures-channel",
  "futures-core",
  "futures-util",
- "http 1.3.1",
+ "http 1.4.0",
  "http-body",
  "hyper",
  "ipnet",
@@ -2910,7 +2868,7 @@ dependencies = [
  "bytes 1.11.0",
  "encoding_rs",
  "futures-util",
- "http 1.3.1",
+ "http 1.4.0",
  "httparse",
  "memchr",
  "mime",
@@ -2931,23 +2889,6 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2195bf6aa996a481483b29d62a7663eed3fe39600c460e323f8ff41e90bdd89b"
 
-[[package]]
-name = "native-tls"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87de3442987e9dbec73158d5c715e7ad9072fda936bb03d19d7fa10e00520f0e"
-dependencies = [
- "libc",
- "log",
- "openssl",
- "openssl-probe",
- "openssl-sys",
- "schannel",
- "security-framework",
- "security-framework-sys",
- "tempfile",
-]
-
 [[package]]
 name = "native_db"
 version = "0.8.2"
@@ -3097,7 +3038,7 @@ dependencies = [
  "base64 0.22.1",
  "chrono",
  "getrandom 0.2.15",
- "http 1.3.1",
+ "http 1.4.0",
  "rand 0.8.5",
  "reqwest",
  "serde",
@@ -3149,47 +3090,12 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
 
-[[package]]
-name = "openssl"
-version = "0.10.73"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8505734d46c8ab1e19a1dce3aef597ad87dcb4c37e7188231769bd6bd51cebf8"
-dependencies = [
- "bitflags",
- "cfg-if",
- "foreign-types",
- "libc",
- "once_cell",
- "openssl-macros",
- "openssl-sys",
-]
-
-[[package]]
-name = "openssl-macros"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.100",
-]
-
 [[package]]
 name = "openssl-probe"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
-[[package]]
-name = "openssl-src"
-version = "300.5.1+3.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "735230c832b28c000e3bc117119e6466a663ec73506bc0a9907ea4187508e42a"
-dependencies = [
- "cc",
-]
-
 [[package]]
 name = "openssl-sys"
 version = "0.9.111"
@@ -3198,7 +3104,6 @@ checksum = "82cab2d520aa75e3c58898289429321eb788c3106963d0dc886ec7a5f4adc321"
 dependencies = [
  "cc",
  "libc",
- "openssl-src",
  "pkg-config",
  "vcpkg",
 ]
@@ -3374,7 +3279,7 @@ dependencies = [
  "futures-util",
  "headers",
  "hex",
- "http 1.3.1",
+ "http 1.4.0",
  "http-body-util",
  "hyper",
  "hyper-util",
@@ -3453,7 +3358,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df3ddc21868273fd9159ea7e8b4e224c7b368577be53f23536b9dc9f37d285e8"
 dependencies = [
  "darling 0.20.10",
- "http 1.3.1",
+ "http 1.4.0",
  "indexmap",
  "mime",
  "proc-macro-crate",
@@ -3889,16 +3794,14 @@ dependencies = [
  "futures-channel",
  "futures-core",
  "futures-util",
- "http 1.3.1",
+ "http 1.4.0",
  "http-body",
  "http-body-util",
  "hyper",
  "hyper-rustls",
- "hyper-tls",
  "hyper-util",
  "js-sys",
  "log",
- "native-tls",
  "percent-encoding",
  "pin-project-lite",
  "quinn",
@@ -3909,7 +3812,6 @@ dependencies = [
  "serde_urlencoded",
  "sync_wrapper",
  "tokio",
- "tokio-native-tls",
  "tokio-rustls",
  "tokio-util",
  "tower",
@@ -4139,29 +4041,6 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
-[[package]]
-name = "security-framework"
-version = "2.11.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "897b2245f0b511c87893af39b033e5ca9cce68824c4d7e7630b5a1d339658d02"
-dependencies = [
- "bitflags",
- "core-foundation",
- "core-foundation-sys",
- "libc",
- "security-framework-sys",
-]
-
-[[package]]
-name = "security-framework-sys"
-version = "2.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea4a292869320c0272d7bc55a5a6aafaff59b4f63404a003887b679a2e05b4b6"
-dependencies = [
- "core-foundation-sys",
- "libc",
-]
-
 [[package]]
 name = "self_cell"
 version = "1.0.4"
@@ -5101,16 +4980,6 @@ dependencies = [
  "syn 2.0.100",
 ]
 
-[[package]]
-name = "tokio-native-tls"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbae76ab933c85776efabc971569dd6119c580d8f5d448769dec1764bf796ef2"
-dependencies = [
- "native-tls",
- "tokio",
-]
-
 [[package]]
 name = "tokio-rustls"
 version = "0.26.4"
@@ -5198,7 +5067,7 @@ dependencies = [
  "bitflags",
  "bytes 1.11.0",
  "futures-util",
- "http 1.3.1",
+ "http 1.4.0",
  "http-body",
  "iri-string",
  "pin-project-lite",
diff --git a/Cargo.toml b/Cargo.toml
index 4e541f9..ed164db 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ path = "src/main.rs"
 
 [features]
 default = []
-vendored-openssl = ["openssl-sys"]
+#vendored-openssl = ["openssl-sys"]
 
 [profile.release]
 strip = true
@@ -47,13 +47,13 @@ snafu = "0.8.9"
 reqwest = { version = "0.12.24", default-features = false, features = [
     "json",
     "stream",
-    "native-tls",
-    # "rustls-tls",
+    #"native-tls",
+    "rustls-tls",
     "blocking",
     "socks",
 ] }
 tokio-socks = "0.5.2"
-http = "1.3.1"
+http = "1.4.0"
 regex = "1.12.2"
 email_address = "0.2.9"
 futures = "0.3.31"
@@ -85,7 +85,7 @@ webpki-roots = "1.0.4"
 rustls = { version = "0.23.35", default-features = false, features = ["ring"] }
 rustls-pki-types = "1.13.0"
 tokio-io-timeout = "1.2.1"
-bb8 = "0.9.0"
+bb8 = "0.9.1"
 semver = "1.0.27"
 governor = "0.10.2"
 lru = "0.16.2"
@@ -102,7 +102,7 @@ autoconfig = "0.4.0"
 urlencoding = "2.1.3"
 dashmap = "6.1.0"
 # Statically links OpenSSL by compiling from source, avoiding system library dependencies
-openssl-sys = { version = "0.9.111", optional = true, features = ["vendored"] }
+#openssl-sys = { version = "0.9.111", optional = true, features = ["vendored"] }
 gethostname = "1.1.0"
 tantivy = { version = "0.25.0", features = ["quickwit", "zstd-compression"] }
 itoa = "1.0.15"
diff --git a/src/modules/rest/api/oauth2.rs b/src/modules/rest/api/oauth2.rs
index c3af8c3..2606cfa 100644
--- a/src/modules/rest/api/oauth2.rs
+++ b/src/modules/rest/api/oauth2.rs
@@ -195,19 +195,19 @@ impl OAuth2Api {
     /// Configures an external OAuth2 token for a specified account.
     ///
     /// This endpoint allows two usage modes:
-    /// 1. If only an `access_token` is provided, RustMailer will store it directly.
-    ///    - In this mode, RustMailer **cannot refresh** the token, since it has no
+    /// 1. If only an `access_token` is provided, Bichon will store it directly.
+    ///    - In this mode, Bichon **cannot refresh** the token, since it has no
     ///      associated OAuth2 configuration or refresh token.
     ///    - The caller is responsible for periodically updating the access token
     ///      by calling this endpoint again.
     /// 2. If both `oauth2_id` and `refresh_token` are provided, it means the external
-    ///    OAuth2 authorization flow has been completed outside RustMailer.
+    ///    OAuth2 authorization flow has been completed outside Bichon.
     ///    - Since the OAuth2 configuration (including client_id and client_secret)
-    ///      is already stored in RustMailer, the service can use the refresh token
+    ///      is already stored in Bichon, the service can use the refresh token
     ///      to obtain new access tokens automatically.
     ///
     /// Note: The `oauth2_id` must reference a valid OAuth2 configuration
-    /// already created in RustMailer.
+    /// already created in Bichon.
     #[oai(
         path = "/store-external-oauth2-token/:account_id",
         method = "post",