diff --git a/Cargo.lock b/Cargo.lock
index ecbe34d..fa057ca 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1979,13 +1979,22 @@ dependencies = [
 
 [[package]]
 name = "rpassword"
-version = "6.0.1"
+version = "7.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2bf099a1888612545b683d2661a1940089f6c2e5a8e38979b2159da876bfd956"
+checksum = "6678cf63ab3491898c0d021b493c94c9b221d91295294a2a5746eacbe5928322"
+dependencies = [
+ "libc",
+ "rtoolbox",
+ "winapi",
+]
+
+[[package]]
+name = "rtoolbox"
+version = "0.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "034e22c514f5c0cb8a10ff341b9b048b5ceb21591f31c8f44c43b960f9b3524a"
 dependencies = [
  "libc",
- "serde",
- "serde_json",
  "winapi",
 ]
 
@@ -2235,18 +2244,18 @@ checksum = "b0293b4b29daaf487284529cc2f5675b8e57c61f70167ba415a463651fd6a918"
 
 [[package]]
 name = "serde"
-version = "1.0.175"
+version = "1.0.171"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d25439cd7397d044e2748a6fe2432b5e85db703d6d097bd014b3c0ad1ebff0b"
+checksum = "30e27d1e4fd7659406c492fd6cfaf2066ba8773de45ca75e855590f856dc34a9"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.175"
+version = "1.0.171"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b23f7ade6f110613c0d63858ddb8b94c1041f550eab58a16b371bdf2c9c80ab4"
+checksum = "389894603bd18c46fa56231694f8d827779c0951a667087194cf9de94ed24682"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.nix b/Cargo.nix
index 27b4e0f..07543eb 100644
--- a/Cargo.nix
+++ b/Cargo.nix
@@ -23,7 +23,7 @@ args@{
   ignoreLockHash,
 }:
 let
-  nixifiedLockHash = "26752991dbb49184df4a1b42259146223034ea34e1d357b7fdd8e4fa80d838cd";
+  nixifiedLockHash = "2744a8f7d8637196aede3d04594217f7e58f833f824d34af2d8f90de28a03b74";
   workspaceSrc = if args.workspaceSrc == null then ./. else args.workspaceSrc;
   currentLockHash = builtins.hashFile "sha256" (workspaceSrc + /Cargo.lock);
   lockHashIgnored = if ignoreLockHash
@@ -102,12 +102,12 @@ in
       log = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.19" { inherit profileName; }).out;
       rand = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rand."0.8.5" { inherit profileName; }).out;
       rmp_serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rmp-serde."0.15.5" { inherit profileName; }).out;
-      rpassword = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rpassword."6.0.1" { inherit profileName; }).out;
+      rpassword = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rpassword."7.2.0" { inherit profileName; }).out;
       rusoto_core = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rusoto_core."0.48.0" { inherit profileName; }).out;
       rusoto_credential = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rusoto_credential."0.48.0" { inherit profileName; }).out;
       rusoto_s3 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rusoto_s3."0.48.0" { inherit profileName; }).out;
       rusoto_signature = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rusoto_signature."0.48.0" { inherit profileName; }).out;
-      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.175" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.171" { inherit profileName; }).out;
       smtp_message = (rustPackages."git+http://github.com/Alexis211/kannader".smtp-message."0.1.0" { inherit profileName; }).out;
       smtp_server = (rustPackages."git+http://github.com/Alexis211/kannader".smtp-server."0.1.0" { inherit profileName; }).out;
       sodiumoxide = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".sodiumoxide."0.2.7" { inherit profileName; }).out;
@@ -781,7 +781,7 @@ in
       ${ if hostPlatform.isUnix then "iana_time_zone" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".iana-time-zone."0.1.57" { inherit profileName; }).out;
       ${ if hostPlatform.parsed.cpu.name == "wasm32" && !(hostPlatform.parsed.kernel.name == "emscripten" || hostPlatform.parsed.kernel.name == "wasi") then "js_sys" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".js-sys."0.3.64" { inherit profileName; }).out;
       num_traits = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".num-traits."0.2.16" { inherit profileName; }).out;
-      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.175" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.171" { inherit profileName; }).out;
       time = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".time."0.1.45" { inherit profileName; }).out;
       ${ if hostPlatform.parsed.cpu.name == "wasm32" && !(hostPlatform.parsed.kernel.name == "emscripten" || hostPlatform.parsed.kernel.name == "wasi") then "wasm_bindgen" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen."0.2.87" { inherit profileName; }).out;
       ${ if hostPlatform.isWindows then "winapi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi."0.3.9" { inherit profileName; }).out;
@@ -1947,7 +1947,7 @@ in
       rusoto_core = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rusoto_core."0.48.0" { inherit profileName; }).out;
       rusoto_credential = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rusoto_credential."0.48.0" { inherit profileName; }).out;
       rusoto_signature = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rusoto_signature."0.48.0" { inherit profileName; }).out;
-      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.175" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.171" { inherit profileName; }).out;
       serde_json = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.103" { inherit profileName; }).out;
       thiserror = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".thiserror."1.0.44" { inherit profileName; }).out;
       tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.29.1" { inherit profileName; }).out;
@@ -2836,19 +2836,29 @@ in
     dependencies = {
       byteorder = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".byteorder."1.4.3" { inherit profileName; }).out;
       rmp = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rmp."0.8.12" { inherit profileName; }).out;
-      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.175" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.171" { inherit profileName; }).out;
     };
   });
   
-  "registry+https://github.com/rust-lang/crates.io-index".rpassword."6.0.1" = overridableMkRustCrate (profileName: rec {
+  "registry+https://github.com/rust-lang/crates.io-index".rpassword."7.2.0" = overridableMkRustCrate (profileName: rec {
     name = "rpassword";
-    version = "6.0.1";
+    version = "7.2.0";
     registry = "registry+https://github.com/rust-lang/crates.io-index";
-    src = fetchCratesIo { inherit name version; sha256 = "2bf099a1888612545b683d2661a1940089f6c2e5a8e38979b2159da876bfd956"; };
+    src = fetchCratesIo { inherit name version; sha256 = "6678cf63ab3491898c0d021b493c94c9b221d91295294a2a5746eacbe5928322"; };
+    dependencies = {
+      ${ if hostPlatform.isUnix then "libc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.147" { inherit profileName; }).out;
+      rtoolbox = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rtoolbox."0.0.1" { inherit profileName; }).out;
+      ${ if hostPlatform.isWindows then "winapi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi."0.3.9" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".rtoolbox."0.0.1" = overridableMkRustCrate (profileName: rec {
+    name = "rtoolbox";
+    version = "0.0.1";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "034e22c514f5c0cb8a10ff341b9b048b5ceb21591f31c8f44c43b960f9b3524a"; };
     dependencies = {
       ${ if hostPlatform.isUnix then "libc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.147" { inherit profileName; }).out;
-      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.175" { inherit profileName; }).out;
-      serde_json = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.103" { inherit profileName; }).out;
       ${ if hostPlatform.isWindows then "winapi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi."0.3.9" { inherit profileName; }).out;
     };
   });
@@ -2875,7 +2885,7 @@ in
       log = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.19" { inherit profileName; }).out;
       rusoto_credential = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rusoto_credential."0.48.0" { inherit profileName; }).out;
       rusoto_signature = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rusoto_signature."0.48.0" { inherit profileName; }).out;
-      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.175" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.171" { inherit profileName; }).out;
       serde_json = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.103" { inherit profileName; }).out;
       tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.29.1" { inherit profileName; }).out;
       xml = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".xml-rs."0.8.16" { inherit profileName; }).out;
@@ -2896,7 +2906,7 @@ in
       dirs_next = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".dirs-next."2.0.0" { inherit profileName; }).out;
       futures = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures."0.3.28" { inherit profileName; }).out;
       hyper = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hyper."0.14.27" { inherit profileName; }).out;
-      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.175" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.171" { inherit profileName; }).out;
       serde_json = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.103" { inherit profileName; }).out;
       shlex = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".shlex."1.1.0" { inherit profileName; }).out;
       tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.29.1" { inherit profileName; }).out;
@@ -2941,7 +2951,7 @@ in
       percent_encoding = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".percent-encoding."2.3.0" { inherit profileName; }).out;
       pin_project_lite = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pin-project-lite."0.2.10" { inherit profileName; }).out;
       rusoto_credential = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rusoto_credential."0.48.0" { inherit profileName; }).out;
-      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.175" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.171" { inherit profileName; }).out;
       sha2 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".sha2."0.9.9" { inherit profileName; }).out;
       tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.29.1" { inherit profileName; }).out;
     };
@@ -3162,11 +3172,11 @@ in
     ];
   });
   
-  "registry+https://github.com/rust-lang/crates.io-index".serde."1.0.175" = overridableMkRustCrate (profileName: rec {
+  "registry+https://github.com/rust-lang/crates.io-index".serde."1.0.171" = overridableMkRustCrate (profileName: rec {
     name = "serde";
-    version = "1.0.175";
+    version = "1.0.171";
     registry = "registry+https://github.com/rust-lang/crates.io-index";
-    src = fetchCratesIo { inherit name version; sha256 = "5d25439cd7397d044e2748a6fe2432b5e85db703d6d097bd014b3c0ad1ebff0b"; };
+    src = fetchCratesIo { inherit name version; sha256 = "30e27d1e4fd7659406c492fd6cfaf2066ba8773de45ca75e855590f856dc34a9"; };
     features = builtins.concatLists [
       [ "alloc" ]
       [ "default" ]
@@ -3175,22 +3185,22 @@ in
       [ "std" ]
     ];
     dependencies = {
-      serde_derive = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_derive."1.0.175" { profileName = "__noProfile"; }).out;
+      serde_derive = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_derive."1.0.171" { profileName = "__noProfile"; }).out;
     };
   });
   
-  "registry+https://github.com/rust-lang/crates.io-index".serde_derive."1.0.175" = overridableMkRustCrate (profileName: rec {
+  "registry+https://github.com/rust-lang/crates.io-index".serde_derive."1.0.171" = overridableMkRustCrate (profileName: rec {
     name = "serde_derive";
-    version = "1.0.175";
+    version = "1.0.171";
     registry = "registry+https://github.com/rust-lang/crates.io-index";
-    src = fetchCratesIo { inherit name version; sha256 = "b23f7ade6f110613c0d63858ddb8b94c1041f550eab58a16b371bdf2c9c80ab4"; };
+    src = fetchCratesIo { inherit name version; sha256 = "389894603bd18c46fa56231694f8d827779c0951a667087194cf9de94ed24682"; };
     features = builtins.concatLists [
       [ "default" ]
     ];
     dependencies = {
-      ${ if !(hostPlatform.parsed.cpu.name == "x86_64" && hostPlatform.parsed.kernel.name == "linux" && hostPlatform.parsed.abi.name == "gnu") then "proc_macro2" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".proc-macro2."1.0.66" { inherit profileName; }).out;
-      ${ if !(hostPlatform.parsed.cpu.name == "x86_64" && hostPlatform.parsed.kernel.name == "linux" && hostPlatform.parsed.abi.name == "gnu") then "quote" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".quote."1.0.32" { inherit profileName; }).out;
-      ${ if !(hostPlatform.parsed.cpu.name == "x86_64" && hostPlatform.parsed.kernel.name == "linux" && hostPlatform.parsed.abi.name == "gnu") then "syn" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".syn."2.0.27" { inherit profileName; }).out;
+      proc_macro2 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".proc-macro2."1.0.66" { inherit profileName; }).out;
+      quote = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".quote."1.0.32" { inherit profileName; }).out;
+      syn = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".syn."2.0.27" { inherit profileName; }).out;
     };
   });
   
@@ -3206,7 +3216,7 @@ in
     dependencies = {
       itoa = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".itoa."1.0.9" { inherit profileName; }).out;
       ryu = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".ryu."1.0.15" { inherit profileName; }).out;
-      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.175" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.171" { inherit profileName; }).out;
     };
   });
   
@@ -3356,7 +3366,7 @@ in
       nom = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".nom."6.1.2" { inherit profileName; }).out;
       pin_project = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pin-project."1.1.2" { inherit profileName; }).out;
       regex_automata = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".regex-automata."0.1.10" { inherit profileName; }).out;
-      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.175" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.171" { inherit profileName; }).out;
     };
   });
   
@@ -3392,7 +3402,7 @@ in
       rev = "0560e7c46af752344a3095add5f84b02400b1111";
       ref = "feature/lmtp";};
     dependencies = {
-      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.175" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.171" { inherit profileName; }).out;
       smtp_message = (rustPackages."git+http://github.com/Alexis211/kannader".smtp-message."0.1.0" { inherit profileName; }).out;
     };
   });
@@ -3425,7 +3435,7 @@ in
       ed25519 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".ed25519."1.5.3" { inherit profileName; }).out;
       libc = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.147" { inherit profileName; }).out;
       libsodium_sys = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libsodium-sys."0.2.7" { inherit profileName; }).out;
-      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.175" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.171" { inherit profileName; }).out;
     };
   });
   
@@ -3608,7 +3618,7 @@ in
     ];
     dependencies = {
       itoa = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".itoa."1.0.9" { inherit profileName; }).out;
-      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.175" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.171" { inherit profileName; }).out;
       time_core = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".time-core."0.1.1" { inherit profileName; }).out;
       time_macros = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".time-macros."0.2.10" { profileName = "__noProfile"; }).out;
     };
@@ -3818,7 +3828,7 @@ in
       [ "default" ]
     ];
     dependencies = {
-      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.175" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.171" { inherit profileName; }).out;
     };
   });
   
diff --git a/Cargo.toml b/Cargo.toml
index 8da6bc0..6affde5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ rusoto_signature = "0.48.0"
 serde = "1.0.137"
 rand = "0.8.5"
 rmp-serde = "0.15"
-rpassword = "6.0"
+rpassword = "7.0"
 sodiumoxide = "0.2"
 tokio = { version = "1.18", default-features = false, features = ["rt", "rt-multi-thread", "io-util", "net", "time", "macros", "sync", "signal", "fs"] }
 tokio-util = { version = "0.7", features = [ "compat" ]  }
diff --git a/flake.nix b/flake.nix
index 774358c..c1561f4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -90,8 +90,9 @@
         export NIX_RUST_LINK_FLAGS="''${NIX_RUST_LINK_FLAGS} --deny warnings"
         export RUSTC="''${CLIPPY_DRIVER}"
     '');
+
     rustDebug = pkgs.rustBuilder.makePackageSet({
-    packageFun = import ./Cargo.nix;
+      packageFun = import ./Cargo.nix;
       target = rustTarget;
       release = false;
       rustToolchain = with fenix.packages.x86_64-linux; combine [
@@ -107,13 +108,22 @@
             setBuildEnv = (debugBuildEnv drv);
           };
         })
+        (pkgs.rustBuilder.rustLib.makeOverride {
+          name = "smtp-message";
+          overrideAttrs = drv: {
+            /*setBuildEnv = (traceBuildEnv drv);
+            propagatedBuildInputs = drv.propagatedBuildInputs or [ ] ++ [
+              traceRust    
+            ];*/
+          };
+        })
       ];
     });
 
     # binary extract
     bin = pkgs.stdenv.mkDerivation {
       pname = "aerogramme-bin";
-      version = "0.0.1";
+      version = "0.1.0";
       dontUnpack = true;
       dontBuild = true;
       installPhase = ''