diff --git a/filtermail/Cargo.lock b/filtermail/Cargo.lock
index 821a966f..bb682515 100644
--- a/filtermail/Cargo.lock
+++ b/filtermail/Cargo.lock
@@ -67,6 +67,12 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "anyhow"
+version = "1.0.102"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"
+
 [[package]]
 name = "async-io"
 version = "2.6.0"
@@ -174,6 +180,17 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
+[[package]]
+name = "chacha20"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f8d983286843e49675a4b7a2d174efe136dc93a18d69130dd18198a6c167601"
+dependencies = [
+ "cfg-if",
+ "cpufeatures 0.3.0",
+ "rand_core 0.10.1",
+]
+
 [[package]]
 name = "charset"
 version = "0.1.5"
@@ -190,6 +207,16 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b05b61dc5112cbb17e4b6cd61790d9845d13888356391624cbe7e41efeac1e75"
 
+[[package]]
+name = "combine"
+version = "4.6.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba5a308b75df32fe02788e748662718f03fde005016435c444eea572398219fd"
+dependencies = [
+ "bytes",
+ "memchr",
+]
+
 [[package]]
 name = "concurrent-queue"
 version = "2.5.0"
@@ -205,6 +232,22 @@ version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
 
+[[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"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.17"
@@ -214,6 +257,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "cpufeatures"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b2a41393f66f16b0823bb79094d54ac5fbd34ab292ddafb9a0456ac9f87d201"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "critical-section"
 version = "1.2.0"
@@ -261,7 +313,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "97fb8b7c4503de7d6ae7b42ab72a5a59857b4c937ec27a3d4539dba95b5ab2be"
 dependencies = [
  "cfg-if",
- "cpufeatures",
+ "cpufeatures 0.2.17",
  "curve25519-dalek-derive",
  "digest",
  "fiat-crypto",
@@ -367,6 +419,12 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "either"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
+
 [[package]]
 name = "encoding_rs"
 version = "0.8.35"
@@ -376,18 +434,6 @@ dependencies = [
  "cfg-if",
 ]
 
-[[package]]
-name = "enum-as-inner"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1e6a265c649f3f5979b601d26f1d05ada116434c87741c9493cb56218f76cbc"
-dependencies = [
- "heck",
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "env_filter"
 version = "1.0.0"
@@ -502,6 +548,12 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "foldhash"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
+
 [[package]]
 name = "foldhash"
 version = "0.2.0"
@@ -625,11 +677,25 @@ dependencies = [
  "cfg-if",
  "js-sys",
  "libc",
- "r-efi",
+ "r-efi 5.3.0",
  "wasip2",
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0de51e6874e94e7bf76d726fc5d13ba782deca734ff60d5bb2fb2607c7406555"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi 6.0.0",
+ "rand_core 0.10.1",
+ "wasip2",
+ "wasip3",
+]
+
 [[package]]
 name = "glob"
 version = "0.3.3"
@@ -684,6 +750,15 @@ version = "0.14.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
 
+[[package]]
+name = "hashbrown"
+version = "0.15.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
+dependencies = [
+ "foldhash 0.1.5",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.16.1"
@@ -692,7 +767,7 @@ checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
 dependencies = [
  "allocator-api2",
  "equivalent",
- "foldhash",
+ "foldhash 0.2.0",
 ]
 
 [[package]]
@@ -703,7 +778,7 @@ checksum = "4f467dd6dccf739c208452f8014c75c18bb8301b050ad1cfb27153803edb0f51"
 dependencies = [
  "allocator-api2",
  "equivalent",
- "foldhash",
+ "foldhash 0.2.0",
 ]
 
 [[package]]
@@ -719,23 +794,25 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
 
 [[package]]
-name = "hickory-proto"
-version = "0.25.2"
+name = "hickory-net"
+version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8a6fe56c0038198998a6f217ca4e7ef3a5e51f46163bd6dd60b5c71ca6c6502"
+checksum = "e2295ed2f9c31e471e1428a8f88a3f0e1f4b27c15049592138d1eebe9c35b183"
 dependencies = [
  "async-trait",
  "bitflags",
  "cfg-if",
  "data-encoding",
- "enum-as-inner",
  "futures-channel",
  "futures-io",
  "futures-util",
+ "hickory-proto",
  "idna 1.1.0",
  "ipnet",
- "once_cell",
- "rand 0.9.2",
+ "jni",
+ "lru-cache",
+ "parking_lot",
+ "rand 0.10.1",
  "ring",
  "rustls-pki-types",
  "thiserror",
@@ -747,21 +824,49 @@ dependencies = [
 ]
 
 [[package]]
-name = "hickory-resolver"
-version = "0.25.2"
+name = "hickory-proto"
+version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc62a9a99b0bfb44d2ab95a7208ac952d31060efc16241c87eaf36406fecf87a"
+checksum = "0bab31817bfb44672a252e97fe81cd0c18d1b2cf892108922f6818820df8c643"
+dependencies = [
+ "bitflags",
+ "data-encoding",
+ "idna 1.1.0",
+ "ipnet",
+ "jni",
+ "once_cell",
+ "prefix-trie",
+ "rand 0.10.1",
+ "ring",
+ "rustls-pki-types",
+ "thiserror",
+ "time",
+ "tinyvec",
+ "tracing",
+ "url",
+]
+
+[[package]]
+name = "hickory-resolver"
+version = "0.26.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0d58d28879ceecde6607729660c2667a081ccdc082e082675042793960f178c"
 dependencies = [
  "cfg-if",
  "futures-util",
+ "hickory-net",
  "hickory-proto",
  "ipconfig",
+ "ipnet",
+ "jni",
  "moka",
+ "ndk-context",
  "once_cell",
  "parking_lot",
- "rand 0.9.2",
+ "rand 0.10.1",
  "resolv-conf",
  "smallvec",
+ "system-configuration",
  "thiserror",
  "tokio",
  "tracing",
@@ -951,6 +1056,12 @@ dependencies = [
  "zerovec",
 ]
 
+[[package]]
+name = "id-arena"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d3067d79b975e8844ca9eb072e16b31c3c1c36928edf9c6789548c524d0d954"
+
 [[package]]
 name = "idna"
 version = "0.4.0"
@@ -990,6 +1101,8 @@ checksum = "7714e70437a7dc3ac8eb7e6f8df75fd8eb422675fc7678aff7364301092b1017"
 dependencies = [
  "equivalent",
  "hashbrown 0.16.1",
+ "serde",
+ "serde_core",
 ]
 
 [[package]]
@@ -1009,6 +1122,9 @@ name = "ipnet"
 version = "2.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "469fb0b9cefa57e3ef31275ee7cacb78f2fdca44e4765491884a2b119d4eb130"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "is_terminal_polyfill"
@@ -1046,6 +1162,55 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "jni"
+version = "0.22.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5efd9a482cf3a427f00d6b35f14332adc7902ce91efb778580e180ff90fa3498"
+dependencies = [
+ "cfg-if",
+ "combine",
+ "jni-macros",
+ "jni-sys",
+ "log",
+ "simd_cesu8",
+ "thiserror",
+ "walkdir",
+ "windows-link",
+]
+
+[[package]]
+name = "jni-macros"
+version = "0.22.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a00109accc170f0bdb141fed3e393c565b6f5e072365c3bd58f5b062591560a3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "rustc_version",
+ "simd_cesu8",
+ "syn",
+]
+
+[[package]]
+name = "jni-sys"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c6377a88cb3910bee9b0fa88d4f42e1d2da8e79915598f65fb0c7ee14c878af2"
+dependencies = [
+ "jni-sys-macros",
+]
+
+[[package]]
+name = "jni-sys-macros"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38c0b942f458fe50cdac086d2f946512305e5631e720728f2a61aabcd47a6264"
+dependencies = [
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "js-sys"
 version = "0.3.85"
@@ -1065,6 +1230,12 @@ dependencies = [
  "spin",
 ]
 
+[[package]]
+name = "leb128fmt"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
+
 [[package]]
 name = "libc"
 version = "0.2.184"
@@ -1077,6 +1248,12 @@ version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6d2cec3eae94f9f509c767b45932f1ada8350c4bdb85af2fcab4a3c14807981"
 
+[[package]]
+name = "linked-hash-map"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.12.1"
@@ -1113,6 +1290,15 @@ dependencies = [
  "hashbrown 0.17.0",
 ]
 
+[[package]]
+name = "lru-cache"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "31e24f1ad8321ca0e8a1e0ac13f23cb668e6f5466c2c57319f6a5cf1cc8e3b1c"
+dependencies = [
+ "linked-hash-map",
+]
+
 [[package]]
 name = "mailparse"
 version = "0.16.1"
@@ -1158,6 +1344,12 @@ dependencies = [
  "uuid",
 ]
 
+[[package]]
+name = "ndk-context"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "27b02d87554356db9e9a873add8782d4ea6e3e58ea071a9adb9a2e8ddb884a8b"
+
 [[package]]
 name = "nonzero_ext"
 version = "0.3.0"
@@ -1362,6 +1554,27 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "prefix-trie"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23370be78b7e5bcbb0cab4a02047eb040279a693c78daad04c2c5f1c24a83503"
+dependencies = [
+ "either",
+ "ipnet",
+ "num-traits",
+]
+
+[[package]]
+name = "prettyplease"
+version = "0.2.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "479ca8adacdd7ce8f1fb39ce9ecccbfe93a3f1344b3d0d97f20bc0196208f62b"
+dependencies = [
+ "proc-macro2",
+ "syn",
+]
+
 [[package]]
 name = "proc-macro-crate"
 version = "3.4.0"
@@ -1416,6 +1629,12 @@ version = "5.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
 
+[[package]]
+name = "r-efi"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8dcc9c7d52a811697d2151c701e0d08956f92b0e24136cf4cf27b57a6a0d9bf"
+
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -1436,6 +1655,17 @@ dependencies = [
  "rand_core 0.9.5",
 ]
 
+[[package]]
+name = "rand"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2e8e8bcc7961af1fdac401278c6a831614941f6164ee3bf4ce61b7edb162207"
+dependencies = [
+ "chacha20",
+ "getrandom 0.4.2",
+ "rand_core 0.10.1",
+]
+
 [[package]]
 name = "rand_chacha"
 version = "0.3.1"
@@ -1474,6 +1704,12 @@ dependencies = [
  "getrandom 0.3.4",
 ]
 
+[[package]]
+name = "rand_core"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "63b8176103e19a2643978565ca18b50549f6101881c443590420e4dc998a3c69"
+
 [[package]]
 name = "raw-cpuid"
 version = "11.6.0"
@@ -1672,6 +1908,15 @@ version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
 
+[[package]]
+name = "same-file"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
+dependencies = [
+ "winapi-util",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -1714,6 +1959,19 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "serde_json"
+version = "1.0.149"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
+dependencies = [
+ "itoa",
+ "memchr",
+ "serde",
+ "serde_core",
+ "zmij",
+]
+
 [[package]]
 name = "serini"
 version = "0.2.2"
@@ -1731,7 +1989,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7507d819769d01a365ab707794a4084392c824f54a7a6a7862f8c3d0892b283"
 dependencies = [
  "cfg-if",
- "cpufeatures",
+ "cpufeatures 0.2.17",
  "digest",
 ]
 
@@ -1761,6 +2019,22 @@ dependencies = [
  "rand_core 0.6.4",
 ]
 
+[[package]]
+name = "simd_cesu8"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94f90157bb87cddf702797c5dadfa0be7d266cdf49e22da2fcaa32eff75b2c33"
+dependencies = [
+ "rustc_version",
+ "simdutf8",
+]
+
+[[package]]
+name = "simdutf8"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3a9fe34e3e7a50316060351f37187a3f546bce95496156754b601a5fa71b76e"
+
 [[package]]
 name = "slab"
 version = "0.4.11"
@@ -1852,6 +2126,27 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "system-configuration"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a13f3d0daba03132c0aa9767f98351b3488edc2c100cda2d2ec2b04f3d8d3c8b"
+dependencies = [
+ "bitflags",
+ "core-foundation",
+ "system-configuration-sys",
+]
+
+[[package]]
+name = "system-configuration-sys"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e1d1b10ced5ca923a1fcb8d03e96b8d3268065d724548c0211415ff6ac6bac4"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "tagptr"
 version = "0.2.0"
@@ -2089,6 +2384,12 @@ dependencies = [
  "tinyvec",
 ]
 
+[[package]]
+name = "unicode-xid"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
+
 [[package]]
 name = "untrusted"
 version = "0.9.0"
@@ -2153,6 +2454,16 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "walkdir"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b"
+dependencies = [
+ "same-file",
+ "winapi-util",
+]
+
 [[package]]
 name = "want"
 version = "0.3.1"
@@ -2177,6 +2488,15 @@ dependencies = [
  "wit-bindgen",
 ]
 
+[[package]]
+name = "wasip3"
+version = "0.4.0+wasi-0.3.0-rc-2026-01-06"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5428f8bf88ea5ddc08faddef2ac4a67e390b88186c703ce6dbd955e1c145aca5"
+dependencies = [
+ "wit-bindgen",
+]
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.108"
@@ -2222,6 +2542,40 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "wasm-encoder"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "990065f2fe63003fe337b932cfb5e3b80e0b4d0f5ff650e6985b1048f62c8319"
+dependencies = [
+ "leb128fmt",
+ "wasmparser",
+]
+
+[[package]]
+name = "wasm-metadata"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb0e353e6a2fbdc176932bbaab493762eb1255a7900fe0fea1a2f96c296cc909"
+dependencies = [
+ "anyhow",
+ "indexmap",
+ "wasm-encoder",
+ "wasmparser",
+]
+
+[[package]]
+name = "wasmparser"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47b807c72e1bac69382b3a6fb3dbe8ea4c0ed87ff5629b8685ae6b9a611028fe"
+dependencies = [
+ "bitflags",
+ "hashbrown 0.15.5",
+ "indexmap",
+ "semver",
+]
+
 [[package]]
 name = "web-sys"
 version = "0.3.85"
@@ -2273,6 +2627,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
+[[package]]
+name = "winapi-util"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
+dependencies = [
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
@@ -2457,6 +2820,88 @@ name = "wit-bindgen"
 version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5"
+dependencies = [
+ "wit-bindgen-rust-macro",
+]
+
+[[package]]
+name = "wit-bindgen-core"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea61de684c3ea68cb082b7a88508a8b27fcc8b797d738bfc99a82facf1d752dc"
+dependencies = [
+ "anyhow",
+ "heck",
+ "wit-parser",
+]
+
+[[package]]
+name = "wit-bindgen-rust"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7c566e0f4b284dd6561c786d9cb0142da491f46a9fbed79ea69cdad5db17f21"
+dependencies = [
+ "anyhow",
+ "heck",
+ "indexmap",
+ "prettyplease",
+ "syn",
+ "wasm-metadata",
+ "wit-bindgen-core",
+ "wit-component",
+]
+
+[[package]]
+name = "wit-bindgen-rust-macro"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c0f9bfd77e6a48eccf51359e3ae77140a7f50b1e2ebfe62422d8afdaffab17a"
+dependencies = [
+ "anyhow",
+ "prettyplease",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wit-bindgen-core",
+ "wit-bindgen-rust",
+]
+
+[[package]]
+name = "wit-component"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d66ea20e9553b30172b5e831994e35fbde2d165325bec84fc43dbf6f4eb9cb2"
+dependencies = [
+ "anyhow",
+ "bitflags",
+ "indexmap",
+ "log",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "wasm-encoder",
+ "wasm-metadata",
+ "wasmparser",
+ "wit-parser",
+]
+
+[[package]]
+name = "wit-parser"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ecc8ac4bc1dc3381b7f59c34f00b67e18f910c2c0f50015669dde7def656a736"
+dependencies = [
+ "anyhow",
+ "id-arena",
+ "indexmap",
+ "log",
+ "semver",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "unicode-xid",
+ "wasmparser",
+]
 
 [[package]]
 name = "writeable"
@@ -2566,3 +3011,9 @@ dependencies = [
  "quote",
  "syn",
 ]
+
+[[package]]
+name = "zmij"
+version = "1.0.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
diff --git a/filtermail/Cargo.toml b/filtermail/Cargo.toml
index 9dc72f44..a07f00c2 100644
--- a/filtermail/Cargo.toml
+++ b/filtermail/Cargo.toml
@@ -20,7 +20,7 @@ log = "0.4.29"
 env_logger = "0.11.10"
 governor = "0.10.4"
 viadkim = { version = "0.2.0" }
-hickory-resolver = { version = "0.25.2", features = ["dnssec-ring"] }
+hickory-resolver = { version = "0.26.1", features = ["dnssec-ring"] }
 lru = "0.17.0"
 parking_lot = "0.12.5"
 tokio-rustls = { version = "0.26.4", default-features = false, features = [
diff --git a/filtermail/src/dkim_verifier.rs b/filtermail/src/dkim_verifier.rs
index b12e0cb3..7fc62938 100644
--- a/filtermail/src/dkim_verifier.rs
+++ b/filtermail/src/dkim_verifier.rs
@@ -1,4 +1,4 @@
-use hickory_resolver::{Name, TokioResolver};
+use hickory_resolver::{TokioResolver, proto::rr::Name};
 use lru::LruCache;
 use std::io;
 use std::num::NonZeroUsize;
@@ -84,22 +84,26 @@ impl LookupTxt for CachedResolver {
 
             log::debug!("Trying to resolve TXT records for {}", name);
             let txts: Vec<Vec<u8>> = {
-                let lookup = self.dns_resolver.txt_lookup(name.clone()).await?;
+                let lookup = self
+                    .dns_resolver
+                    .txt_lookup(name.clone())
+                    .await
+                    .map_err(io::Error::other)?;
 
                 // viadkim would filter out non-DKIM TXT records,
                 // but we filter it here anyway so that we know which one should be cached.
                 lookup
-                    .into_iter()
+                    .answers()
+                    .iter()
                     // We don't check all records, as this can be a DoS attack vector.
                     // In theory, selector domains should only have a single TXT record.
                     // In practice, we check at most 3, just in case of weird configuration.
                     .take(3)
                     .map(|txt| {
-                        let rdata_raw = txt.txt_data().concat();
-                        let rdata = String::from_utf8_lossy(&rdata_raw);
-                        log::trace!("TXT (concat): {:?}", rdata);
+                        let rdata = txt.data.to_string();
+                        log::trace!("TXT (raw rdata): {:?}", rdata);
                         let normalized = normalize_rdata(&rdata);
-                        log::trace!("TXT (normalized): {:?}", normalized);
+                        log::trace!("TXT (concatenated and normalized): {:?}", normalized);
                         normalized.into_bytes()
                     })
                     .collect()
diff --git a/filtermail/src/error.rs b/filtermail/src/error.rs
index d329bbdd..546881ea 100644
--- a/filtermail/src/error.rs
+++ b/filtermail/src/error.rs
@@ -11,7 +11,7 @@ pub enum Error {
     #[error(transparent)]
     Io(#[from] std::io::Error),
     #[error(transparent)]
-    Resolve(#[from] hickory_resolver::ResolveError),
+    Resolve(#[from] hickory_resolver::net::NetError),
     #[error("OpenPGP packet header is truncated - can't validate!")]
     TruncatedHeader,
     #[error("Unable to send email, Error during {context}, server said: {raw_smtp_answer}")]
diff --git a/filtermail/src/transport.rs b/filtermail/src/transport.rs
index 197fe3f3..a6f0fc40 100644
--- a/filtermail/src/transport.rs
+++ b/filtermail/src/transport.rs
@@ -4,7 +4,7 @@ use crate::smtp_server::{Envelope, SmtpHandler};
 use crate::tls;
 use crate::utils::{AddressDomain, build_resolver};
 use async_trait::async_trait;
-use hickory_resolver::TokioResolver;
+use hickory_resolver::{TokioResolver, proto::rr::RData};
 use http_body_util::BodyExt;
 use hyper::body::Bytes;
 use hyper_rustls::HttpsConnector;
@@ -141,9 +141,14 @@ impl TransportHandler {
                 match dns_resolver.mx_lookup(query).await {
                     Ok(mx_records) => {
                         let mut hosts: Vec<(u16, String)> = Vec::new();
-                        for mx in mx_records {
+                        for mx_record in mx_records.answers() {
+                            let mx = match mx_record.data {
+                                RData::MX(ref mx) => mx,
+                                _ => continue,
+                            };
+
                             // Null MX / RFC7505
-                            if mx.exchange().is_root() {
+                            if mx.exchange.is_root() {
                                 // From RFC7505 section 3:
                                 // > A domain that advertises a null MX MUST NOT
                                 // > advertise any other MX RR.
@@ -154,8 +159,8 @@ impl TransportHandler {
                                 );
                             }
 
-                            let host = mx.exchange().to_string().trim_end_matches('.').to_string();
-                            hosts.push((mx.preference(), host))
+                            let host = mx.exchange.to_string().trim_end_matches('.').to_string();
+                            hosts.push((mx.preference, host))
                         }
                         hosts.sort();
                         hosts
diff --git a/filtermail/src/utils.rs b/filtermail/src/utils.rs
index bf32acb7..78d38ff5 100644
--- a/filtermail/src/utils.rs
+++ b/filtermail/src/utils.rs
@@ -1,8 +1,8 @@
-use hickory_resolver::TokioResolver;
-use hickory_resolver::name_server::TokioConnectionProvider;
+use hickory_resolver::{TokioResolver, proto::dnssec::TrustAnchors};
 use mailparse::MailAddr;
 use std::path::PathBuf;
 use std::str::FromStr;
+use std::sync::Arc;
 
 /// Extracts the first email address found in SMTP command or email header.
 ///
@@ -106,12 +106,10 @@ pub async fn log_eml(reason: &str, data: &[u8]) -> Result<PathBuf, crate::error:
 
 /// Creates a DNS resolver with DNSSEC enabled and system configuration (resolv.conf).
 pub fn build_resolver() -> Result<TokioResolver, crate::error::Error> {
-    let dns_resolver = {
-        let mut builder = TokioResolver::builder(TokioConnectionProvider::default())?;
+    let dns_resolver = TokioResolver::builder_tokio()?
         // https://github.com/hickory-dns/hickory-dns/issues/3519
-        builder.options_mut().validate = true;
-        builder.build()
-    };
+        .with_trust_anchor(Arc::new(TrustAnchors::default()))
+        .build()?;
 
     assert!(
         dns_resolver.options().validate,