Adding mailsend tool

pkgs/tools/networking/mailsend/default.nix

@@ -0,0 +1,34 @@
+{stdenv, fetchurl, openssl}:
+let
+  s = # Generated upstream information
+  rec {
+    baseName="mailsend";
+    version="1.17b15";
+    name="${baseName}-${version}";
+    hash="0sxjrv9yn2xyjak9si0gw2zalsrfqqcvz0indq9ap5fyalj1pjvk";
+    url="https://github.com/muquit/mailsend/archive/1.17b15.tar.gz";
+    sha256="0sxjrv9yn2xyjak9si0gw2zalsrfqqcvz0indq9ap5fyalj1pjvk";
+  };
+  buildInputs = [
+    openssl
+  ];
+in
+stdenv.mkDerivation {
+  inherit (s) name version;
+  inherit buildInputs;
+  src = fetchurl {
+    inherit (s) url sha256;
+  };
+  configureFlags = [
+    "--with-openssl=${openssl}"
+  ];
+  meta = {
+    inherit (s) version;
+    description = ''CLI email sending tool'';
+    license = stdenv.lib.licenses.bsd3 ;
+    maintainers = [stdenv.lib.maintainers.raskin];
+    platforms = stdenv.lib.platforms.linux;
+    homepage = "https://github.com/muquit/mailsend";
+    downloadPage = "https://github.com/muquit/mailsend/releases";
+  };
+}

pkgs/tools/networking/mailsend/default.upstream

@@ -0,0 +1,3 @@
+url "https://github.com/muquit/mailsend/releases"
+ensure_choice
+version '.*/([0-9][0-9.a-z]*)[.]tar[.].*' '\1'

pkgs/top-level/all-packages.nix

@@ -1602,6 +1602,8 @@ let
 
   maildrop = callPackage ../tools/networking/maildrop { };
 
+  mailsend = callPackage ../tools/networking/mailsend { };
+
   mailpile = callPackage ../applications/networking/mailreaders/mailpile { };
 
   mailutils = callPackage ../tools/networking/mailutils {