From c9e1609ea98c0bdb46994058e99f644494f61f1e Mon Sep 17 00:00:00 2001
From: Paolo Barbolini <paolo@paolo565.org>
Date: Fri, 14 May 2021 18:49:31 +0200
Subject: [PATCH] update lettre to v0.10.0-rc.1 (#150)

$ cargo update -p lettre --aggressive
    Updating crates.io index
    Updating aho-corasick v0.7.15 -> v0.7.18
    Removing bytes v1.0.1
    Updating cc v1.0.66 -> v1.0.67
      Adding fastrand v1.4.1
    Removing getrandom v0.1.15
    Removing http v0.2.3
    Removing httparse v1.3.5
    Updating httpdate v0.3.2 -> v1.0.0
    Removing hyperx v1.3.0
    Updating idna v0.2.0 -> v0.2.3
    Removing language-tags v0.2.2
    Updating lettre v0.10.0-beta.3 -> v0.10.0-rc.1
    Updating libc v0.2.88 -> v0.2.94
    Updating lock_api v0.4.3 -> v0.4.4
    Updating memchr v2.3.4 -> v2.4.0
    Updating native-tls v0.2.6 -> v0.2.7
    Updating once_cell v1.5.2 -> v1.7.2
    Updating openssl v0.10.32 -> v0.10.34
    Updating openssl-probe v0.1.2 -> v0.1.4
    Updating openssl-sys v0.9.60 -> v0.9.63
    Updating parking_lot_core v0.8.2 -> v0.8.3
    Removing percent-encoding v2.1.0
    Updating quoted_printable v0.4.2 -> v0.4.3
    Removing rand v0.7.3
    Removing rand_chacha v0.2.2
    Removing rand_core v0.5.1
    Removing rand_hc v0.2.0
      Adding redox_syscall v0.2.8
    Updating regex v1.4.2 -> v1.5.4
    Updating regex-syntax v0.6.21 -> v0.6.25
    Updating security-framework v2.0.0 -> v2.2.0
    Updating security-framework-sys v2.0.0 -> v2.2.0
    Updating smallvec v1.6.0 -> v1.6.1
    Updating tempfile v3.1.0 -> v3.2.0
    Removing thread_local v1.0.1
    Updating tinyvec v1.1.0 -> v1.2.0
    Removing unicase v2.6.0
    Updating unicode-bidi v0.3.4 -> v0.3.5
    Updating unicode-normalization v0.1.16 -> v0.1.17
    Updating vcpkg v0.2.11 -> v0.2.12
    Updating version_check v0.9.2 -> v0.9.3
    Removing wasi v0.9.0+wasi-snapshot-preview1
---
 Cargo.lock       | 298 +++++++++++++++--------------------------------
 Cargo.toml       |   2 +-
 src/msg/model.rs |  15 +--
 3 files changed, 98 insertions(+), 217 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 9dbd5e8..9067b5b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,11 +17,11 @@ checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.15"
+version = "0.7.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5"
+checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
 dependencies = [
- "memchr 2.3.4",
+ "memchr 2.4.0",
 ]
 
 [[package]]
@@ -115,17 +115,11 @@ version = "1.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 
-[[package]]
-name = "bytes"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b700ce4376041dcd0a327fd0097c41095743c4c8af8887265942faf1100bd040"
-
 [[package]]
 name = "cc"
-version = "1.0.66"
+version = "1.0.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c0496836a84f8d0495758516b8621a622beb77c0fed418570e50764093ced48"
+checksum = "e3c69b077ad434294d3ce9f1f6143a2a4b89a8a2d54ef813d85003a4fd1137fd"
 
 [[package]]
 name = "cfg-if"
@@ -233,6 +227,15 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "fastrand"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77b705829d1e87f762c2df6da140b26af5839e1033aa84aa5f56bb688e4e1bdb"
+dependencies = [
+ "instant",
+]
+
 [[package]]
 name = "fixedbitset"
 version = "0.2.0"
@@ -266,17 +269,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
 
-[[package]]
-name = "getrandom"
-version = "0.1.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc587bc0ec293155d5bfa6b9891ec18a1e330c234f896ea47fbada4cadbe47e6"
-dependencies = [
- "cfg-if 0.1.10",
- "libc",
- "wasi 0.9.0+wasi-snapshot-preview1",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.2.2"
@@ -285,7 +277,7 @@ checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
@@ -343,28 +335,11 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "http"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7245cd7449cc792608c3c8a9eaf69bd4eabbabf802713748fd739c98b82f0747"
-dependencies = [
- "bytes",
- "fnv",
- "itoa",
-]
-
-[[package]]
-name = "httparse"
-version = "1.3.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "615caabe2c3160b313d52ccc905335f4ed5f10881dd63dc5699d47e90be85691"
-
 [[package]]
 name = "httpdate"
-version = "0.3.2"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "494b4d60369511e7dea41cf646832512a94e542f68bb9c49e54518e0f468eb47"
+checksum = "05842d0d43232b23ccb7060ecb0f0626922c21f30012e97b767b30afd4a5d4b9"
 
 [[package]]
 name = "humantime"
@@ -372,28 +347,11 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
-[[package]]
-name = "hyperx"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82566a1ace7f56f604d83b7b2c259c78e243d99c565f23d7b4ae34466442c5a2"
-dependencies = [
- "base64 0.13.0",
- "bytes",
- "http",
- "httparse",
- "httpdate",
- "language-tags",
- "mime",
- "percent-encoding",
- "unicase",
-]
-
 [[package]]
 name = "idna"
-version = "0.2.0"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02e2673c30ee86b5b96a9cb52ad15718aa1f966f5ab9ad54a8b95d5ca33120a9"
+checksum = "418a0a6fab821475f634efe3ccc45c013f742efe03d853e8d3355d5cb850ecf8"
 dependencies = [
  "matches",
  "unicode-bidi",
@@ -450,12 +408,6 @@ version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
-[[package]]
-name = "language-tags"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a91d884b6667cd606bb5a69aa0c99ba811a115fc68915e7056ec08a46e93199a"
-
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -464,13 +416,14 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "lettre"
-version = "0.10.0-beta.3"
+version = "0.10.0-rc.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "897171ed0e63da84c988b157106ad8b6532d7499aeeec906ce46b05415cc79d3"
+checksum = "4be4ff7e8bcb0e0c6902815554a286889b0e99b4ea6e898afb7b9f53174b1929"
 dependencies = [
  "base64 0.13.0",
+ "fastrand",
  "hostname",
- "hyperx",
+ "httpdate",
  "idna",
  "mime",
  "native-tls",
@@ -478,16 +431,14 @@ dependencies = [
  "once_cell",
  "quoted_printable",
  "r2d2",
- "rand 0.8.3",
  "regex",
- "uuid",
 ]
 
 [[package]]
 name = "libc"
-version = "0.2.88"
+version = "0.2.94"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03b07a082330a35e43f63177cc01689da34fbffa0105e1246cf0311472cac73a"
+checksum = "18794a8ad5b29321f790b55d93dfba91e125cb1a9edbd4f8e3150acc771c1a5e"
 
 [[package]]
 name = "lock_api"
@@ -500,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "lock_api"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a3c91c24eae6777794bb1997ad98bbb87daf92890acab859f7eaa4320333176"
+checksum = "0382880606dff6d15c9476c416d18690b72742aa7b605bb6dd6ec9030fbf07eb"
 dependencies = [
  "scopeguard",
 ]
@@ -550,9 +501,9 @@ dependencies = [
 
 [[package]]
 name = "memchr"
-version = "2.3.4"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
+checksum = "b16bd47d9e329435e309c58469fe0791c2d0d1ba96ec0954152a5ae2b04387dc"
 
 [[package]]
 name = "mime"
@@ -572,9 +523,9 @@ dependencies = [
 
 [[package]]
 name = "native-tls"
-version = "0.2.6"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6fcc7939b5edc4e4f86b1b4a04bb1498afaaf871b1a6691838ed06fcb48d3a3f"
+checksum = "b8d96b2e1c8da3957d58100b09f102c6d9cfdfced01b7ec5a8974044bb09dbd4"
 dependencies = [
  "lazy_static",
  "libc",
@@ -605,7 +556,7 @@ checksum = "e7413f999671bd4745a7b624bd370a569fb6bc574b23c83a3c5ed2e453f3d5e2"
 dependencies = [
  "bitvec",
  "funty",
- "memchr 2.3.4",
+ "memchr 2.4.0",
  "version_check",
 ]
 
@@ -636,35 +587,35 @@ checksum = "a9a7ab5d64814df0fe4a4b5ead45ed6c5f181ee3ff04ba344313a6c80446c5d4"
 
 [[package]]
 name = "once_cell"
-version = "1.5.2"
+version = "1.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13bd41f508810a131401606d54ac32a467c97172d74ba7662562ebba5ad07fa0"
+checksum = "af8b08b04175473088b46763e51ee54da5f9a164bc162f615b91bc179dbf15a3"
 
 [[package]]
 name = "openssl"
-version = "0.10.32"
+version = "0.10.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "038d43985d1ddca7a9900630d8cd031b56e4794eecc2e9ea39dd17aa04399a70"
+checksum = "6d7830286ad6a3973c0f1d9b73738f69c76b739301d0229c4b96501695cbe4c8"
 dependencies = [
  "bitflags",
  "cfg-if 1.0.0",
  "foreign-types",
- "lazy_static",
  "libc",
+ "once_cell",
  "openssl-sys",
 ]
 
 [[package]]
 name = "openssl-probe"
-version = "0.1.2"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
+checksum = "28988d872ab76095a6e6ac88d99b54fd267702734fd7ffe610ca27f533ddb95a"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.60"
+version = "0.9.63"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "921fc71883267538946025deffb622905ecad223c28efbfdef9bb59a0175f3e6"
+checksum = "b6b0d6fb7d80f877617dfcb014e605e2b5ab2fb0afdf27935219bb6bd984cb98"
 dependencies = [
  "autocfg",
  "cc",
@@ -690,8 +641,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6d7744ac029df22dca6284efe4e898991d28e3085c706c972bcd7da4a27a15eb"
 dependencies = [
  "instant",
- "lock_api 0.4.3",
- "parking_lot_core 0.8.2",
+ "lock_api 0.4.4",
+ "parking_lot_core 0.8.3",
 ]
 
 [[package]]
@@ -703,31 +654,25 @@ dependencies = [
  "cfg-if 0.1.10",
  "cloudabi",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.1.57",
  "smallvec",
  "winapi",
 ]
 
 [[package]]
 name = "parking_lot_core"
-version = "0.8.2"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ccb628cad4f84851442432c60ad8e1f607e29752d0bf072cbd0baf28aa34272"
+checksum = "fa7a782938e745763fe6907fc6ba86946d72f49fe7e21de074e08128a99fb018"
 dependencies = [
  "cfg-if 1.0.0",
  "instant",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.2.8",
  "smallvec",
  "winapi",
 ]
 
-[[package]]
-name = "percent-encoding"
-version = "2.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
-
 [[package]]
 name = "petgraph"
 version = "0.5.1"
@@ -770,9 +715,9 @@ dependencies = [
 
 [[package]]
 name = "quoted_printable"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47b080c5db639b292ac79cbd34be0cfc5d36694768d8341109634d90b86930e2"
+checksum = "1238256b09923649ec89b08104c4dfe9f6cb2fea734a5db5384e44916d59e9c5"
 
 [[package]]
 name = "r2d2"
@@ -791,19 +736,6 @@ version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "941ba9d78d8e2f7ce474c015eea4d9c6d25b6a3327f9832ee29a4de27f91bbb8"
 
-[[package]]
-name = "rand"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
-dependencies = [
- "getrandom 0.1.15",
- "libc",
- "rand_chacha 0.2.2",
- "rand_core 0.5.1",
- "rand_hc 0.2.0",
-]
-
 [[package]]
 name = "rand"
 version = "0.8.3"
@@ -811,19 +743,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
 dependencies = [
  "libc",
- "rand_chacha 0.3.0",
- "rand_core 0.6.2",
- "rand_hc 0.3.0",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
-dependencies = [
- "ppv-lite86",
- "rand_core 0.5.1",
+ "rand_chacha",
+ "rand_core",
+ "rand_hc",
 ]
 
 [[package]]
@@ -833,16 +755,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.6.2",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
-dependencies = [
- "getrandom 0.1.15",
+ "rand_core",
 ]
 
 [[package]]
@@ -851,16 +764,7 @@ version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7"
 dependencies = [
- "getrandom 0.2.2",
-]
-
-[[package]]
-name = "rand_hc"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
-dependencies = [
- "rand_core 0.5.1",
+ "getrandom",
 ]
 
 [[package]]
@@ -869,7 +773,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
 dependencies = [
- "rand_core 0.6.2",
+ "rand_core",
 ]
 
 [[package]]
@@ -879,22 +783,30 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
 [[package]]
-name = "regex"
-version = "1.4.2"
+name = "redox_syscall"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38cf2c13ed4745de91a5eb834e11c00bcc3709e773173b2ce4c56c9fbde04b9c"
+checksum = "742739e41cd49414de871ea5e549afb7e2a3ac77b589bcbebe8c82fab37147fc"
+dependencies = [
+ "bitflags",
+]
+
+[[package]]
+name = "regex"
+version = "1.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
 dependencies = [
  "aho-corasick",
- "memchr 2.3.4",
+ "memchr 2.4.0",
  "regex-syntax",
- "thread_local",
 ]
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.21"
+version = "0.6.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b181ba2dcf07aaccad5448e8ead58db5b742cf85dfe035e2227f137a539a189"
+checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
 [[package]]
 name = "remove_dir_all"
@@ -955,9 +867,9 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "security-framework"
-version = "2.0.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1759c2e3c8580017a484a7ac56d3abc5a6c1feadf88db2f3633f12ae4268c69"
+checksum = "3670b1d2fdf6084d192bc71ead7aabe6c06aa2ea3fbd9cc3ac111fa5c2b1bd84"
 dependencies = [
  "bitflags",
  "core-foundation",
@@ -968,9 +880,9 @@ dependencies = [
 
 [[package]]
 name = "security-framework-sys"
-version = "2.0.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f99b9d5e26d2a71633cc4f2ebae7cc9f874044e0c351a27e17892d76dce5678b"
+checksum = "3676258fd3cfe2c9a0ec99ce3038798d847ce3e4bb17746373eb9f0f1ac16339"
 dependencies = [
  "core-foundation-sys",
  "libc",
@@ -1009,9 +921,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.6.0"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a55ca5f3b68e41c979bf8c46a6f1da892ca4db8f94023ce0bd32407573b1ac0"
+checksum = "fe0f37c9e8f3c5a4a66ad655a93c74daac4ad00c441533bf5c6e7990bb42604e"
 
 [[package]]
 name = "strsim"
@@ -1038,14 +950,14 @@ checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
 
 [[package]]
 name = "tempfile"
-version = "3.1.0"
+version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
+checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "libc",
- "rand 0.7.3",
- "redox_syscall",
+ "rand",
+ "redox_syscall 0.2.8",
  "remove_dir_all",
  "winapi",
 ]
@@ -1078,15 +990,6 @@ dependencies = [
  "unicode-width",
 ]
 
-[[package]]
-name = "thread_local"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
-dependencies = [
- "lazy_static",
-]
-
 [[package]]
 name = "time"
 version = "0.1.44"
@@ -1094,15 +997,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
 dependencies = [
  "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
+ "wasi",
  "winapi",
 ]
 
 [[package]]
 name = "tinyvec"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ccf8dbc19eb42fba10e8feaaec282fb50e2c14b2726d6301dbfeed0f73306a6f"
+checksum = "5b5220f05bb7de7f3f53c7c065e1199b3172696fe2db9f9c4d8ad9b4ee74c342"
 dependencies = [
  "tinyvec_macros",
 ]
@@ -1135,29 +1038,20 @@ dependencies = [
  "petgraph",
 ]
 
-[[package]]
-name = "unicase"
-version = "2.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
-dependencies = [
- "version_check",
-]
-
 [[package]]
 name = "unicode-bidi"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
+checksum = "eeb8be209bb1c96b7c177c7420d26e04eccacb0eeae6b980e35fcb74678107e0"
 dependencies = [
  "matches",
 ]
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.16"
+version = "0.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a13e63ab62dbe32aeee58d1c5408d35c36c392bba5d9d3142287219721afe606"
+checksum = "07fbfce1c8a97d547e8b5334978438d9d6ec8c20e38f56d4a4374d181493eaef"
 dependencies = [
  "tinyvec",
 ]
@@ -1180,26 +1074,20 @@ version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
 dependencies = [
- "getrandom 0.2.2",
+ "getrandom",
 ]
 
 [[package]]
 name = "vcpkg"
-version = "0.2.11"
+version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b00bca6106a5e23f3eee943593759b7fcddb00554332e856d990c893966879fb"
+checksum = "cbdbff6266a24120518560b5dc983096efb98462e51d0d68169895b237be3e5d"
 
 [[package]]
 name = "version_check"
-version = "0.9.2"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
-
-[[package]]
-name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
+checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
 
 [[package]]
 name = "wasi"
diff --git a/Cargo.toml b/Cargo.toml
index 0dafef2..d12c73c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ clap = {version = "2.33.3", default-features = false, features = ["suggestions",
 env_logger = "0.8.3"
 error-chain = "0.12.4"
 imap = "3.0.0-alpha.3"
-lettre = "0.10.0-beta.3"
+lettre = "0.10.0-rc.1"
 log = "0.4.14"
 mailparse = "0.13.1"
 native-tls = "0.2"
diff --git a/src/msg/model.rs b/src/msg/model.rs
index 685d21f..2311900 100644
--- a/src/msg/model.rs
+++ b/src/msg/model.rs
@@ -339,7 +339,7 @@ impl<'m> Msg<'m> {
         });
 
         let text_part = SinglePart::builder()
-            .header(ContentType("text/plain; charset=utf-8".parse().unwrap()))
+            .header(ContentType::TEXT_PLAIN)
             .header(encoding)
             .body(parsed.get_body_raw()?);
 
@@ -360,17 +360,10 @@ impl<'m> Msg<'m> {
 
                 parts = parts.singlepart(
                     SinglePart::builder()
-                        .header(ContentType(attachment_ctype.parse().chain_err(|| {
+                        .content_type(attachment_ctype.parse().chain_err(|| {
                             format!("Could not parse content type `{}`", attachment_ctype)
-                        })?))
-                        .header(ContentDisposition {
-                            disposition: DispositionType::Attachment,
-                            parameters: vec![DispositionParam::Filename(
-                                Charset::Ext("utf-8".into()),
-                                None,
-                                attachment_name.as_bytes().into(),
-                            )],
-                        })
+                        })?)
+                        .header(ContentDisposition::attachment(&attachment_name))
                         .body(Body::new(attachment_content)),
                 );
             }