diff --git a/package-lock.json b/package-lock.json
index 0c722d8..8a55b39 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,11 +13,6 @@
         "negotiator": "0.5.3"
       }
     },
-    "addressparser": {
-      "version": "0.3.2",
-      "resolved": "https://registry.npmjs.org/addressparser/-/addressparser-0.3.2.tgz",
-      "integrity": "sha1-WYc/Nej89sc2HBAjkmHXbhU0i7I="
-    },
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       "version": "0.8.1",
       "resolved": "https://registry.npmjs.org/after/-/after-0.8.1.tgz",
@@ -201,18 +196,6 @@
         "nan": "^2.0.5"
       }
     },
-    "buildmail": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/buildmail/-/buildmail-1.3.0.tgz",
-      "integrity": "sha1-9eS3UCYUfV6+GiTcYTEqPP9N9yU=",
-      "requires": {
-        "addressparser": "^0.3.2",
-        "hyperquest": "^1.2.0",
-        "libbase64": "^0.1.0",
-        "libmime": "^1.2.0",
-        "libqp": "^1.1.0"
-      }
-    },
     "bytes": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
@@ -338,27 +321,6 @@
       "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.3.tgz",
       "integrity": "sha1-tDO0ck5x/YVR2YhRdIUcX8N34sk="
     },
-    "duplexer2": {
-      "version": "0.0.2",
-      "resolved": "https://registry.npmjs.org/duplexer2/-/duplexer2-0.0.2.tgz",
-      "integrity": "sha1-xhTc9n4vsUmVqRcR5aYX6KYKMds=",
-      "requires": {
-        "readable-stream": "~1.1.9"
-      },
-      "dependencies": {
-        "readable-stream": {
-          "version": "1.1.13",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.13.tgz",
-          "integrity": "sha1-9u73ZPUUyJ4rniMUanW6EGdW0j4=",
-          "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.1",
-            "isarray": "0.0.1",
-            "string_decoder": "~0.10.x"
-          }
-        }
-      }
-    },
     "ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
@@ -559,20 +521,6 @@
         "statuses": "1"
       }
     },
-    "hyperquest": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/hyperquest/-/hyperquest-1.2.0.tgz",
-      "integrity": "sha1-OeH+9miI3Hzg3sbA3YFPb8iUStU=",
-      "requires": {
-        "duplexer2": "~0.0.2",
-        "through2": "~0.6.3"
-      }
-    },
-    "iconv-lite": {
-      "version": "0.4.13",
-      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.13.tgz",
-      "integrity": "sha1-H4irpKsLFQjoMSrMOTRfNumS4vI="
-    },
     "indexof": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/indexof/-/indexof-0.0.1.tgz",
@@ -631,26 +579,6 @@
       "resolved": "https://registry.npmjs.org/lazy-cache/-/lazy-cache-0.2.7.tgz",
       "integrity": "sha1-f+3fLctu23fRHvHRF6tf/fCrG2U="
     },
-    "libbase64": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/libbase64/-/libbase64-0.1.0.tgz",
-      "integrity": "sha1-YjUag5VjrF/1vSbxL2Dpgwu3UeY="
-    },
-    "libmime": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/libmime/-/libmime-1.2.0.tgz",
-      "integrity": "sha1-jYS087Ils3BEECNu9JSQZDa6dCs=",
-      "requires": {
-        "iconv-lite": "^0.4.13",
-        "libbase64": "^0.1.0",
-        "libqp": "^1.1.0"
-      }
-    },
-    "libqp": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/libqp/-/libqp-1.1.0.tgz",
-      "integrity": "sha1-9ebgatdLeU+1tbZpiL9yjvHe2+g="
-    },
     "lodash": {
       "version": "4.17.2",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.2.tgz",
@@ -739,48 +667,9 @@
       "integrity": "sha1-Jp1cR2gQ7JLtvntsLygxY4T5p+g="
     },
     "nodemailer": {
-      "version": "1.3.4",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-1.3.4.tgz",
-      "integrity": "sha1-nlyindyf14WE5e1G3cSGOFvkOuM=",
-      "requires": {
-        "buildmail": "^1.2.4",
-        "hyperquest": "^1.2.0",
-        "libmime": "^1.0.0",
-        "nodemailer-direct-transport": "^1.0.2",
-        "nodemailer-smtp-transport": "^1.0.2"
-      },
-      "dependencies": {
-        "nodemailer-smtp-transport": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/nodemailer-smtp-transport/-/nodemailer-smtp-transport-1.1.0.tgz",
-          "integrity": "sha1-5sN/MYhaswgOfe089SjErX5pE5g=",
-          "requires": {
-            "clone": "^1.0.2",
-            "nodemailer-wellknown": "^0.1.7",
-            "smtp-connection": "^1.3.7"
-          }
-        },
-        "smtp-connection": {
-          "version": "1.3.8",
-          "resolved": "https://registry.npmjs.org/smtp-connection/-/smtp-connection-1.3.8.tgz",
-          "integrity": "sha1-VYMsIWDPswhuHc2H/RwZ+mG39TY="
-        }
-      }
-    },
-    "nodemailer-direct-transport": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/nodemailer-direct-transport/-/nodemailer-direct-transport-1.1.0.tgz",
-      "integrity": "sha1-oveHCO5vFuoFc/yClJ0Tj/Fy9iQ=",
-      "requires": {
-        "smtp-connection": "^1.3.1"
-      },
-      "dependencies": {
-        "smtp-connection": {
-          "version": "1.3.8",
-          "resolved": "https://registry.npmjs.org/smtp-connection/-/smtp-connection-1.3.8.tgz",
-          "integrity": "sha1-VYMsIWDPswhuHc2H/RwZ+mG39TY="
-        }
-      }
+      "version": "6.4.16",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.4.16.tgz",
+      "integrity": "sha512-68K0LgZ6hmZ7PVmwL78gzNdjpj5viqBdFqKrTtr9bZbJYj6BRj5W6WGkxXrEnUl3Co3CBXi3CZBUlpV/foGnOQ=="
     },
     "nodemailer-fetch": {
       "version": "1.0.0",
@@ -1142,28 +1031,6 @@
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
       "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
     },
-    "through2": {
-      "version": "0.6.5",
-      "resolved": "https://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
-      "integrity": "sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=",
-      "requires": {
-        "readable-stream": ">=1.0.33-1 <1.1.0-0",
-        "xtend": ">=4.0.0 <4.1.0-0"
-      },
-      "dependencies": {
-        "readable-stream": {
-          "version": "1.0.33",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.33.tgz",
-          "integrity": "sha1-OjYN1mwbHX/UcFOJhg7aHQ9hEmw=",
-          "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.1",
-            "isarray": "0.0.1",
-            "string_decoder": "~0.10.x"
-          }
-        }
-      }
-    },
     "to-array": {
       "version": "0.1.3",
       "resolved": "https://registry.npmjs.org/to-array/-/to-array-0.1.3.tgz",
@@ -1264,11 +1131,6 @@
       "version": "https://github.com/rase-/node-XMLHttpRequest/archive/a6b6f2.tar.gz",
       "integrity": "sha1-IMr6XKpV9ttr+u6EnR62DuQ6X8o="
     },
-    "xtend": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
-    },
     "yargs": {
       "version": "3.15.0",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.15.0.tgz",
diff --git a/package.json b/package.json
index aeba933..89f7a9f 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "lodash": "^4.17.2",
     "mongodb": "^2.0.35",
     "nconf": "^0.7.1",
-    "nodemailer": "~1.3.4",
+    "nodemailer": "~6.4.16",
     "nodemailer-smtp-transport": "^2.0.0",
     "socket.io": "^1.3.7",
     "winston": "^1.0.0"