diff --git a/Cargo.lock b/Cargo.lock
index 618d268..34781d8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -45,7 +45,7 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "43f6cb1bf222025340178f382c426f13757b2960e89779dfcb319c32542a5a41"
 dependencies = [
- "memchr 2.5.0",
+ "memchr",
 ]
 
 [[package]]
@@ -160,7 +160,7 @@ dependencies = [
  "bzip2",
  "flate2",
  "futures-core",
- "memchr 2.5.0",
+ "memchr",
  "pin-project-lite",
  "tokio",
  "xz2",
@@ -179,7 +179,7 @@ dependencies = [
  "flate2",
  "futures-core",
  "futures-io",
- "memchr 2.5.0",
+ "memchr",
  "pin-project-lite",
  "tokio",
  "xz2",
@@ -293,12 +293,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "bitflags"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4efd02e230a02e18f92fc2735f44597385ed02ad8f831e7c1c1156ee5e1ab3a5"
-
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -371,12 +365,6 @@ dependencies = [
  "pkg-config",
 ]
 
-[[package]]
-name = "casing"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8069a314fdf61ab368081307e6d351431b2a1a04822eba87834230a238cb93c4"
-
 [[package]]
 name = "cc"
 version = "1.0.79"
@@ -410,10 +398,7 @@ checksum = "ec837a71355b28f6556dbd569b37b3f363091c0bd4b2e735674521b4c5fd9bc5"
 dependencies = [
  "android-tzdata",
  "iana-time-zone",
- "js-sys",
  "num-traits",
- "time",
- "wasm-bindgen",
  "winapi",
 ]
 
@@ -816,7 +801,7 @@ checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
@@ -1037,21 +1022,6 @@ dependencies = [
  "pkg-config",
 ]
 
-[[package]]
-name = "mailbox"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "602ce3fa1224e605e1c9949ff090baf17e3c84e8d87123ee31d838a2ed5ed9f5"
-dependencies = [
- "bitflags 0.9.1",
- "casing",
- "chrono",
- "fnv",
- "mime",
- "nom 3.2.1",
- "owning_ref",
-]
-
 [[package]]
 name = "mailparse"
 version = "0.14.0"
@@ -1063,15 +1033,6 @@ dependencies = [
  "quoted_printable",
 ]
 
-[[package]]
-name = "memchr"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "148fab2e51b4f1cfc66da2a7c32981d1d3c083a803978268bb11fe4b86925e7a"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "memchr"
 version = "2.5.0"
@@ -1087,12 +1048,6 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "mime"
-version = "0.3.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
-
 [[package]]
 name = "mime2ext"
 version = "0.1.52"
@@ -1121,26 +1076,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "927a765cd3fc26206e66b296465fa9d3e5ab003e651c1b3c060e7956d96b19d2"
 dependencies = [
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
  "windows-sys",
 ]
 
-[[package]]
-name = "nom"
-version = "3.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05aec50c70fd288702bcd93284a8444607f3292dbdf2a30de5ea5dcdbe72287b"
-dependencies = [
- "memchr 1.0.2",
-]
-
 [[package]]
 name = "nom"
 version = "7.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
 dependencies = [
- "memchr 2.5.0",
+ "memchr",
  "minimal-lexical",
 ]
 
@@ -1224,7 +1170,7 @@ version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8bda667d9f2b5051b8833f59f3bf748b28ef54f850f4fcb389a252aa383866d1"
 dependencies = [
- "memchr 2.5.0",
+ "memchr",
 ]
 
 [[package]]
@@ -1233,15 +1179,6 @@ version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
 
-[[package]]
-name = "owning_ref"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdf84f41639e037b484f93433aa3897863b561ed65c6e59c7073d7c561710f37"
-dependencies = [
- "stable_deref_trait",
-]
-
 [[package]]
 name = "parking_lot"
 version = "0.12.1"
@@ -1429,7 +1366,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b2eae68fc220f7cf2532e4494aded17545fce192d59cd996e0fe7887f4ceb575"
 dependencies = [
  "aho-corasick",
- "memchr 2.5.0",
+ "memchr",
  "regex-automata",
  "regex-syntax",
 ]
@@ -1441,7 +1378,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b7b6d6190b7594385f61bd3911cd1be99dfddcfc365a4160cc2ab5bff4aed294"
 dependencies = [
  "aho-corasick",
- "memchr 2.5.0",
+ "memchr",
  "regex-syntax",
 ]
 
@@ -1478,9 +1415,8 @@ dependencies = [
  "json_comments",
  "lazy_static",
  "log",
- "mailbox",
  "mailparse",
- "memchr 2.5.0",
+ "memchr",
  "mime2ext",
  "paste",
  "path-clean",
@@ -1688,12 +1624,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "stable_deref_trait"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
-
 [[package]]
 name = "strsim"
 version = "0.8.0"
@@ -1813,17 +1743,6 @@ dependencies = [
  "syn 2.0.28",
 ]
 
-[[package]]
-name = "time"
-version = "0.1.45"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b797afad3f312d1c66a56d11d0316f916356d11bd158fbc6ca6389ff6bf805a"
-dependencies = [
- "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
- "winapi",
-]
-
 [[package]]
 name = "tokio"
 version = "1.29.1"
@@ -1952,7 +1871,7 @@ dependencies = [
  "bytecount",
  "fnv",
  "lazy_static",
- "nom 7.1.3",
+ "nom",
  "once_cell",
  "petgraph",
 ]
@@ -2005,12 +1924,6 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
-[[package]]
-name = "wasi"
-version = "0.10.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
-
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
diff --git a/Cargo.toml b/Cargo.toml
index 385bddc..bdcdc6e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,7 +37,6 @@ glob = "0.3.1"
 json_comments = "0.2.1"
 lazy_static = "1.4.0"
 log = "0.4.17"
-mailbox = "0.2.0"
 mailparse = "0.14.0"
 memchr = "2.5.0"
 mime2ext = "0.1.52"