diff --git a/Cargo.lock b/Cargo.lock
index ef4de45..ac544c0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -362,9 +362,9 @@ checksum = "2af50177e190e07a26ab74f8b1efbfe2ef87da2116221318cb1c2e82baf7de06"
 
 [[package]]
 name = "bcrypt"
-version = "0.15.1"
+version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e65938ed058ef47d92cf8b346cc76ef48984572ade631927e9937b5ffc7662c7"
+checksum = "2b1866ecef4f2d06a0bb77880015fdf2b89e25a1c2e5addacb87e459c86dc67e"
 dependencies = [
  "base64 0.22.1",
  "blowfish 0.9.1",
@@ -399,9 +399,9 @@ checksum = "349f9b6a179ed607305526ca489b34ad0a41aed5f7980fa90eb03160b69598fb"
 
 [[package]]
 name = "bitfield"
-version = "0.14.0"
+version = "0.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d7e60934ceec538daadb9d8432424ed043a904d8e0243f3c6446bce549a46ac"
+checksum = "f798d2d157e547aa99aab0967df39edd0b70307312b6f8bd2848e6abe40896e0"
 
 [[package]]
 name = "bitflags"
@@ -888,7 +888,7 @@ dependencies = [
  "cpufeatures",
  "curve25519-dalek-derive",
  "digest 0.10.7",
- "fiat-crypto 0.2.9",
+ "fiat-crypto",
  "rustc_version",
  "subtle",
  "zeroize",
@@ -1156,23 +1156,23 @@ dependencies = [
 
 [[package]]
 name = "dirs"
-version = "5.0.1"
+version = "6.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44c45a9d03d6676652bcb5e724c7e988de1acad23a711b5217ab9cbecbec2225"
+checksum = "c3e8aa94d75141228480295a7d0e7feb620b1a5ad9f12bc40be62411e38cce4e"
 dependencies = [
  "dirs-sys",
 ]
 
 [[package]]
 name = "dirs-sys"
-version = "0.4.1"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "520f05a5cbd335fae5a99ff7a6ab8627577660ee5cfd6a94a6a929b52ff0321c"
+checksum = "e01a3366d27ee9890022452ee61b2b63a67e6f13f58900b651ff5665f0bb1fab"
 dependencies = [
  "libc",
  "option-ext",
  "redox_users",
- "windows-sys 0.48.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -1277,17 +1277,6 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "ed448-goldilocks"
-version = "0.7.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87b5fa9e9e3dd5fe1369f380acd3dcdfa766dbd0a1cd5b048fb40e38a6a78e79"
-dependencies = [
- "fiat-crypto 0.1.20",
- "hex",
- "subtle",
-]
-
 [[package]]
 name = "either"
 version = "1.15.0"
@@ -1477,12 +1466,6 @@ dependencies = [
  "subtle",
 ]
 
-[[package]]
-name = "fiat-crypto"
-version = "0.1.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
-
 [[package]]
 name = "fiat-crypto"
 version = "0.2.9"
@@ -2452,9 +2435,9 @@ dependencies = [
 
 [[package]]
 name = "mailparse"
-version = "0.15.0"
+version = "0.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3da03d5980411a724e8aaf7b61a7b5e386ec55a7fb49ee3d0ff79efc7e5e7c7e"
+checksum = "60819a97ddcb831a5614eb3b0174f3620e793e97e09195a395bfa948fd68ed2f"
 dependencies = [
  "charset",
  "data-encoding",
@@ -3016,9 +2999,9 @@ dependencies = [
 
 [[package]]
 name = "pgp"
-version = "0.14.2"
+version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1877a97fd422433220ad272eb008ec55691944b1200e9eb204e3cb2cb69d34e9"
+checksum = "30249ac8a98b356b473b04bc5358c75a260aa96a295d0743ce752fe7b173f235"
 dependencies = [
  "aes",
  "aes-gcm",
@@ -3074,10 +3057,9 @@ dependencies = [
  "sha3",
  "signature",
  "smallvec",
- "thiserror 1.0.69",
+ "thiserror 2.0.18",
  "twofish",
  "x25519-dalek",
- "x448",
  "zeroize",
 ]
 
@@ -3371,10 +3353,8 @@ dependencies = [
 name = "proton-bridge"
 version = "0.1.0"
 dependencies = [
- "aes",
  "base64 0.22.1",
  "bcrypt",
- "cfb-mode",
  "chrono",
  "env_logger",
  "keyring",
@@ -3385,7 +3365,6 @@ dependencies = [
  "reqwest",
  "serde",
  "serde_json",
- "sha1",
  "sha2 0.10.9",
  "tokio",
  "toml",
@@ -3633,13 +3612,13 @@ dependencies = [
 
 [[package]]
 name = "redox_users"
-version = "0.4.6"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba009ff324d1fc1b900bd1fdb31564febe58a8ccc8a6fdbb93b543d33b13ca43"
+checksum = "a4e608c6638b9c18977b00b475ac1f28d14e84b27d8d42f70e0bf1e3dec127ac"
 dependencies = [
  "getrandom 0.2.17",
  "libredox",
- "thiserror 1.0.69",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -4258,9 +4237,9 @@ dependencies = [
 
 [[package]]
 name = "subtle"
-version = "2.6.1"
+version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
+checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "syn"
@@ -5157,15 +5136,6 @@ dependencies = [
  "windows-link",
 ]
 
-[[package]]
-name = "windows-sys"
-version = "0.48.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
-dependencies = [
- "windows-targets 0.48.5",
-]
-
 [[package]]
 name = "windows-sys"
 version = "0.52.0"
@@ -5202,21 +5172,6 @@ dependencies = [
  "windows-link",
 ]
 
-[[package]]
-name = "windows-targets"
-version = "0.48.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
-dependencies = [
- "windows_aarch64_gnullvm 0.48.5",
- "windows_aarch64_msvc 0.48.5",
- "windows_i686_gnu 0.48.5",
- "windows_i686_msvc 0.48.5",
- "windows_x86_64_gnu 0.48.5",
- "windows_x86_64_gnullvm 0.48.5",
- "windows_x86_64_msvc 0.48.5",
-]
-
 [[package]]
 name = "windows-targets"
 version = "0.52.6"
@@ -5250,12 +5205,6 @@ dependencies = [
  "windows_x86_64_msvc 0.53.1",
 ]
 
-[[package]]
-name = "windows_aarch64_gnullvm"
-version = "0.48.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
-
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.52.6"
@@ -5268,12 +5217,6 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a9d8416fa8b42f5c947f8482c43e7d89e73a173cead56d044f6a56104a6d1b53"
 
-[[package]]
-name = "windows_aarch64_msvc"
-version = "0.48.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
-
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.52.6"
@@ -5286,12 +5229,6 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9d782e804c2f632e395708e99a94275910eb9100b2114651e04744e9b125006"
 
-[[package]]
-name = "windows_i686_gnu"
-version = "0.48.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
-
 [[package]]
 name = "windows_i686_gnu"
 version = "0.52.6"
@@ -5316,12 +5253,6 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fa7359d10048f68ab8b09fa71c3daccfb0e9b559aed648a8f95469c27057180c"
 
-[[package]]
-name = "windows_i686_msvc"
-version = "0.48.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
-
 [[package]]
 name = "windows_i686_msvc"
 version = "0.52.6"
@@ -5334,12 +5265,6 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e7ac75179f18232fe9c285163565a57ef8d3c89254a30685b57d83a38d326c2"
 
-[[package]]
-name = "windows_x86_64_gnu"
-version = "0.48.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
-
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.52.6"
@@ -5352,12 +5277,6 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c3842cdd74a865a8066ab39c8a7a473c0778a3f29370b5fd6b4b9aa7df4a499"
 
-[[package]]
-name = "windows_x86_64_gnullvm"
-version = "0.48.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
-
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.52.6"
@@ -5370,12 +5289,6 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ffa179e2d07eee8ad8f57493436566c7cc30ac536a3379fdf008f47f6bb7ae1"
 
-[[package]]
-name = "windows_x86_64_msvc"
-version = "0.48.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
-
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.52.6"
@@ -5503,17 +5416,6 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "x448"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4cd07d4fae29e07089dbcacf7077cd52dce7760125ca9a4dd5a35ca603ffebb"
-dependencies = [
- "ed448-goldilocks",
- "hex",
- "rand_core 0.5.1",
-]
-
 [[package]]
 name = "xdg-home"
 version = "1.3.0"
diff --git a/Cargo.toml b/Cargo.toml
index 77a5133..c88a5b4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,11 +6,8 @@ name = "tuimail"
 version = "0.1.0"
 edition = "2024"
 
-[features]
-proton = ["dep:proton-bridge"]
-
 [dependencies]
-proton-bridge = { path = "proton-bridge", optional = true }
+proton-bridge = { path = "proton-bridge", optional = false }
 ratatui = "0.30"
 crossterm = "0.29"
 imap = "2.4"
@@ -18,13 +15,13 @@ native-tls = "0.2"
 serde = { version = "1.0", features = ["derive"] }
 toml = "1.0"
 chrono = "0.4"
-mailparse = "0.15"
+mailparse = "0.16"
 fast_html2md = "0.0"
 tui-markdown = "0.3"
 quoted_printable = "0.5"
 regex = "1"
 lettre = { version = "0.11", default-features = false, features = ["smtp-transport", "native-tls", "builder"] }
-dirs = "5"
+dirs = "6.0"
 rand = { version = "0.8", features = ["getrandom"] }
 aes-gcm = "0.10"
 
diff --git a/proton-bridge/Cargo.toml b/proton-bridge/Cargo.toml
index c357c9e..aff55dd 100644
--- a/proton-bridge/Cargo.toml
+++ b/proton-bridge/Cargo.toml
@@ -12,15 +12,12 @@ toml = "1.0"
 sha2 = "0.10"
 num-bigint = "0.4"
 base64 = "0.22"
-rand = "0.8"
+rand = { version = "0.8.5", features = ["getrandom"] }
 pwhash = "0.3"   # bcrypt with caller-supplied salt (used for SRP)
-bcrypt = "0.15"  # reference bcrypt impl for key passphrase derivation
-pgp = { version = "0.14", default-features = false }  # rpgp — OpenPGP decrypt
+bcrypt = "0.16"  # reference bcrypt impl for key passphrase derivation
+pgp = { version = "0.15", default-features = false }  # rpgp — OpenPGP decrypt
 chrono = "0.4"
 env_logger = "0.11"
-aes = "0.8"
-cfb-mode = "0.8"
-sha1 = "0.10"
 tracing = "0.1.44"
 
 [target.'cfg(target_os = "macos")'.dependencies]
diff --git a/proton-bridge/src/smtp_server.rs b/proton-bridge/src/smtp_server.rs
index 263a0fd..4704708 100644
--- a/proton-bridge/src/smtp_server.rs
+++ b/proton-bridge/src/smtp_server.rs
@@ -5,13 +5,13 @@
 /// the ProtonMail v4 API (create draft → send).
 use std::sync::Arc;
 
-use base64::engine::general_purpose::STANDARD as B64;
+use crate::api::ApiClient;
+use crate::{SharedState, crypto};
 use base64::Engine;
+use base64::engine::general_purpose::STANDARD as B64;
 use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader};
 use tokio::net::{TcpListener, TcpStream};
-use tracing::{error, info};
-use crate::api::ApiClient;
-use crate::{crypto, SharedState};
+use tracing::error;
 
 // ── Public entry point ────────────────────────────────────────────────────────
 
@@ -49,7 +49,9 @@ async fn handle_connection(
     // auth_step: 0 = not in AUTH, 1 = sent "Username:", 2 = sent "Password:"
     let mut auth_step: u8 = 0;
 
-    writer.write_all(b"220 ProtonBridge ESMTP ready\r\n").await?;
+    writer
+        .write_all(b"220 ProtonBridge ESMTP ready\r\n")
+        .await?;
 
     while let Some(raw) = lines.next_line().await? {
         let line = raw.trim_end().to_string();
@@ -61,8 +63,7 @@ async fn handle_connection(
         if in_data {
             if line == "." {
                 in_data = false;
-                let resp =
-                    handle_send(&mail_from, &rcpt_to, &data_lines, &state).await;
+                let resp = handle_send(&mail_from, &rcpt_to, &data_lines, &state).await;
                 writer.write_all(resp.as_bytes()).await?;
                 mail_from.clear();
                 rcpt_to.clear();
@@ -198,9 +199,7 @@ async fn handle_send(
     let plaintext = data_lines[blank + 1..].join("\n");
 
     for recipient in to {
-        if let Err(e) =
-            send_to_one(from, recipient, &subject, &plaintext, state).await
-        {
+        if let Err(e) = send_to_one(from, recipient, &subject, &plaintext, state).await {
             // Log the full error in the bridge console; return a short fixed
             // message to skim so the status line doesn't overflow.
             eprintln!("SMTP send to {recipient} FAILED:\n  {e}");
@@ -264,7 +263,13 @@ async fn send_to_one(
                 .map_err(|e| format!("encrypt draft body: {e}"))?,
         };
 
-        (st.http_client.clone(), st.session.clone(), aid, db, signing_key)
+        (
+            st.http_client.clone(),
+            st.session.clone(),
+            aid,
+            db,
+            signing_key,
+        )
     };
     let api = ApiClient::new(&http_client, &session);
 
@@ -283,7 +288,8 @@ async fn send_to_one(
         // message body arrives clean (no PGP armor visible in Gmail / other clients).
         // ProtonMail decrypts the SEIPD using BodyKey and relays the multipart/signed
         // MIME entity to the external recipient over SMTP.
-        let signing_key = signing_key_opt.as_ref()
+        let signing_key = signing_key_opt
+            .as_ref()
             .ok_or("no signing key available for external send")?;
         let (seipd, session_key) = crypto::build_pgp_mime_for_external_send(plaintext, signing_key)
             .map_err(|e| format!("PGP/MIME external body: {e}"))?;
@@ -298,8 +304,15 @@ async fn send_to_one(
         .create_draft(&address_id, subject, from, "", to, "", &draft_body)
         .await?;
 
-    api.send_draft(&draft_id, to, send_type, &body_b64, &key_packet_b64, body_signed)
-        .await?;
+    api.send_draft(
+        &draft_id,
+        to,
+        send_type,
+        &body_b64,
+        &key_packet_b64,
+        body_signed,
+    )
+    .await?;
     Ok(())
 }
 
diff --git a/src/config.rs b/src/config.rs
index cae6e21..a5f1af4 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -187,7 +187,6 @@ impl Config {
 
     /// Convert to the `proton-bridge` crate's `Config` type.
     /// Only valid when `provider = "proton"`.
-    #[cfg(feature = "proton")]
     pub fn as_bridge_config(&self) -> Result<proton_bridge::config::Config, String> {
         let p = self.proton.as_ref().ok_or("[proton] section missing")?;
         let b = self.bridge.as_ref().ok_or("[bridge] section missing")?;
diff --git a/src/main.rs b/src/main.rs
index 44f226d..adddb9b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,13 +3,10 @@ use std::process::exit;
 
 use crossterm::{
     execute,
-    terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
+    terminal::{EnterAlternateScreen, LeaveAlternateScreen, disable_raw_mode, enable_raw_mode},
 };
+use ratatui::{Terminal, backend::CrosstermBackend};
 use tuimail::config::{Config, Provider};
-use ratatui::{
-    backend::CrosstermBackend,
-    Terminal,
-};
 
 fn main() -> io::Result<()> {
     // ── Parse --configure flag ──
@@ -51,25 +48,16 @@ fn main() -> io::Result<()> {
 
     // ── Start bridge if needed (before entering raw mode so output is clean) ──
     if config.provider == Provider::Proton {
-        #[cfg(feature = "proton")]
-        {
-            let bridge_cfg = config.as_bridge_config().unwrap_or_else(|e| {
-                eprintln!("Bridge config error: {e}");
-                exit(1);
-            });
-            eprint!("Starting ProtonMail bridge...");
-            proton_bridge::start(bridge_cfg).unwrap_or_else(|e| {
-                eprintln!("\nBridge failed to start: {e}");
-                exit(1);
-            });
-            eprintln!(" ready.");
-        }
-        #[cfg(not(feature = "proton"))]
-        {
-            eprintln!("tuimail was not compiled with ProtonMail support.");
-            eprintln!("Rebuild with:  cargo build --features proton");
+        let bridge_cfg = config.as_bridge_config().unwrap_or_else(|e| {
+            eprintln!("Bridge config error: {e}");
             exit(1);
-        }
+        });
+        eprint!("Starting ProtonMail bridge...");
+        proton_bridge::start(bridge_cfg).unwrap_or_else(|e| {
+            eprintln!("\nBridge failed to start: {e}");
+            exit(1);
+        });
+        eprintln!(" ready.");
     }
 
     // ── Derive effective IMAP/SMTP configs for the chosen provider ──