Index: Cargo.lock
==================================================================
--- Cargo.lock
+++ Cargo.lock
@@ -15,19 +15,10 @@
 name = "adler"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
-[[package]]
-name = "aho-corasick"
-version = "0.6.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81ce3d38065e618af2d7b77e10c5ad9a069859b4be3c2250f674af3840d9c8a5"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "anyhow"
 version = "1.0.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b3d1d046238990b9cf5bcde22a3fb3584ee5cf65fb2765f454ed428c7a0063da"
@@ -299,21 +290,10 @@
 name = "atomic-waker"
 version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
 
-[[package]]
-name = "atty"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
-dependencies = [
- "hermit-abi 0.1.19",
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
@@ -565,23 +545,10 @@
  "proc-macro2",
  "quote",
  "syn 1.0.109",
 ]
 
-[[package]]
-name = "env_logger"
-version = "0.5.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00c45cec4cde3daac5f036c74098b4956151525cdf360cff5ee0092c98823e54"
-dependencies = [
- "atty",
- "humantime",
- "log",
- "regex 0.2.11",
- "termcolor",
-]
-
 [[package]]
 name = "equivalent"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
@@ -879,19 +846,10 @@
 name = "heck"
 version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
-[[package]]
-name = "hermit-abi"
-version = "0.1.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "hermit-abi"
 version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
@@ -935,29 +893,20 @@
  "pin-project-lite 0.2.14",
 ]
 
 [[package]]
 name = "httparse"
-version = "1.9.2"
+version = "1.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f3935c160d00ac752e09787e6e6bfc26494c2183cc922f1bc678a60d4733bc2"
+checksum = "d0e7a4dd27b9476dc40cb050d3632d3bba3a70ddbff012285f7f8559a1e7e545"
 
 [[package]]
 name = "httpdate"
 version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
 
-[[package]]
-name = "humantime"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
-dependencies = [
- "quick-error",
-]
-
 [[package]]
 name = "hyper"
 version = "0.14.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f361cde2f109281a220d4307746cdfd5ee3f410da58a70377762396775634b33"
@@ -1177,11 +1126,11 @@
 name = "io-lifetimes"
 version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
 dependencies = [
- "hermit-abi 0.3.9",
+ "hermit-abi",
  "libc",
  "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -1456,11 +1405,11 @@
 name = "num_cpus"
 version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
 dependencies = [
- "hermit-abi 0.3.9",
+ "hermit-abi",
  "libc",
 ]
 
 [[package]]
 name = "object"
@@ -1665,11 +1614,11 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5e6a007746f34ed64099e88783b0ae369eaa3da6392868ba262e2af9b8fbaea1"
 dependencies = [
  "cfg-if",
  "concurrent-queue",
- "hermit-abi 0.3.9",
+ "hermit-abi",
  "pin-project-lite 0.2.14",
  "rustix 0.38.34",
  "tracing",
  "windows-sys 0.52.0",
 ]
@@ -1793,47 +1742,25 @@
  "bitflags 1.3.2",
 ]
 
 [[package]]
 name = "regex"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9329abc99e39129fcceabd24cf5d85b4671ef7c29c50e972bc5afe32438ec384"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-syntax 0.5.6",
- "thread_local",
- "utf8-ranges",
-]
-
-[[package]]
-name = "regex"
-version = "1.10.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c117dbdfde9c8308975b6a18d71f3f385c89461f7b3fb054288ecf2a2058ba4c"
+version = "1.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b91213439dad192326a0d7c6ee3955910425f441d7038e0d6933b0aec5c4517f"
 dependencies = [
  "regex-automata",
- "regex-syntax 0.8.4",
+ "regex-syntax",
 ]
 
 [[package]]
 name = "regex-automata"
 version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "38caf58cc5ef2fed281f89292ef23f6365465ed9a41b7a7754eb4e26496c92df"
 dependencies = [
- "regex-syntax 0.8.4",
-]
-
-[[package]]
-name = "regex-syntax"
-version = "0.5.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d707a4fa2637f2dca2ef9fd02225ec7661fe01a53623c1e6515b6916511f7a7"
-dependencies = [
- "ucd-util",
+ "regex-syntax",
 ]
 
 [[package]]
 name = "regex-syntax"
 version = "0.8.4"
@@ -2024,11 +1951,11 @@
 version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6eb682bb98a1f3f2a909e292c0e08293e541bdf2854b2b61449cffdc085374e9"
 dependencies = [
  "log",
- "regex 1.10.4",
+ "regex",
  "samotop-core",
  "samotop-delivery",
  "samotop-parser",
  "samotop-smime",
  "samotop-with-rustls",
@@ -2283,11 +2210,10 @@
 version = "0.2.1"
 dependencies = [
  "anyhow",
  "async-std",
  "config",
- "env_logger",
  "mail-parser",
  "samotop",
  "teloxide",
 ]
 
@@ -2497,19 +2423,10 @@
  "fastrand 2.1.0",
  "rustix 0.38.34",
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "termcolor"
-version = "0.3.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "adc4587ead41bf016f11af03e55a624c06568b5a19db4e90fde573d805074f83"
-dependencies = [
- "wincolor",
-]
-
 [[package]]
 name = "thiserror"
 version = "1.0.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c546c80d6be4bc6a00c0f01730c08df82eaa7a7a61f11d656526506112cc1709"
@@ -2526,19 +2443,10 @@
  "proc-macro2",
  "quote",
  "syn 2.0.66",
 ]
 
-[[package]]
-name = "thread_local"
-version = "0.3.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
-dependencies = [
- "lazy_static",
-]
-
 [[package]]
 name = "tinystr"
 version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9117f5d4db391c1cf6927e7bea3db74b9a1c1add8f7eda9ffd5364f40f57b82f"
@@ -2716,16 +2624,10 @@
 name = "try-lock"
 version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
 
-[[package]]
-name = "ucd-util"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abd2fc5d32b590614af8b0a20d837f32eca055edd0bbead59a9cfe80858be003"
-
 [[package]]
 name = "unicase"
 version = "2.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7d2d4dafb69621809a81864c9c1b864479e1235c0dd4e199924b9742439ed89"
@@ -2782,16 +2684,10 @@
 name = "utf16_iter"
 version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c8232dd3cdaed5356e0f716d285e4b40b932ac434100fe9b7e0e8e935b9e6246"
 
-[[package]]
-name = "utf8-ranges"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fcfc827f90e53a02eaef5e535ee14266c1d569214c6aa70133a624d8a3164ba"
-
 [[package]]
 name = "utf8_iter"
 version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"
@@ -3017,19 +2913,10 @@
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
-[[package]]
-name = "wincolor"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eeb06499a3a4d44302791052df005d5232b927ed1a9658146d842165c4de7767"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"

Index: Cargo.toml
==================================================================
--- Cargo.toml
+++ Cargo.toml
@@ -6,11 +6,10 @@
 
 [dependencies]
 anyhow = "*"
 async-std = { version = "*", features = [ "tokio1" ] }
 config = { version = "*", default-features = false, features = [ "toml" ] }
-env_logger = "*"
 teloxide = { version = "*", features = [ "rustls", "throttle" ] }
 mail-parser = { version = "*", features = ["serde", "serde_support"] }
 samotop = "*"
 
 [profile.release]

Index: src/main.rs
==================================================================
--- src/main.rs
+++ src/main.rs
@@ -282,12 +282,10 @@
 		.expect("[smtp2tg.toml] missing \"listen_on\" parameter.\n");
 	let core = TelegramTransport::new(settings);
 	let sink = Builder + Name::new("smtp2tg") + DebugService +
 		my_prudence() + MailDir::new(maildir.clone()).unwrap();
 
-	env_logger::init();
-
 	task::spawn(async move {
 		loop {
 			// relay mails
 			if let Err(err) = relay_mails(&maildir, &core).await {
 				// in case that fails - inform default recipient