diff --git a/back-end/config/index.js b/back-end/config/index.js
index a308a50..acb73df 100644
--- a/back-end/config/index.js
+++ b/back-end/config/index.js
@@ -16,20 +16,21 @@ const config = {
   /* Access */
   ADMIN_USER                   : env.ADMIN_USER                   || "admin",
   ADMIN_PASSWORD               : env.ADMIN_PASSWORD               || "discoverbancor",
-  /* Blockchain */
+  /* IPFS */
   IPFS_HOST                    : env.IPFS_HOST                    || "ipfs.infura.io",
   IPFS_PORT                    : env.IPFS_PORT                    || "5001",
   IPFS_PROTOCOL                : env.IPFS_PROTOCOL                || "https",
+  /* Blockchain */
   DISCOVER_CONTRACT            : env.DISCOVER_CONTRACT            || "0x25B1bD06fBfC2CbDbFc174e10f1B78b1c91cc77B",
   BLOCKCHAIN_CONNECTION_POINT  : env.BLOCKCHAIN_CONNECTION_POINT  || "wss://ropsten.infura.io/ws/v3/8675214b97b44e96b70d05326c61fd6a",
   /* EMail */
+  EMAIL_USER                   : env.EMAIL_USER                   || null,
+  EMAIL_PASSWORD               : env.EMAIL_PASSWORD               || null,
   EMAIL_HOST                   : env.EMAIL_HOST                   || null,
   EMAIL_PORT                   : env.EMAIL_PORT                   || null,
   EMAIL_TLS                    : env.EMAIL_TLS                    || null,
-  EMAIL_USER                   : env.EMAIL_USER                   || null,
-  EMAIL_PASSWORD               : env.EMAIL_PASSWORD               || null,
-  APPROVE_NOTIFIER_MAIL        : env.APPROVE_NOTIFIER_MAIL        || "dapps-approvals@status.im",
   APPROVER_MAIL                : env.APPROVER_MAIL                || "dapps-approvals@status.im",
+  APPROVE_NOTIFIER_MAIL        : env.APPROVE_NOTIFIER_MAIL        || "dapps-approvals@status.im",
   /* Logging */
   CLOUDWATCH_ACCESS_KEY_ID     : env.CLOUDWATCH_ACCESS_KEY_ID     || null,
   CLOUDWATCH_SECRET_ACCESS_KEY : env.CLOUDWATCH_SECRET_ACCESS_KEY || null,