diff --git a/.travis.yml b/.travis.yml
index e5a71ab3bc..d91defe341 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,9 @@ notifications:
     on_success: change
     secure: 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
 
+notifications:
+  email: false
+
 os: linux
 dist: bionic
 language: minimal
@@ -53,14 +56,15 @@ jobs:
           file: travis-release-upload/*
           on:
             tags: true
-    - <<: *release-artifacts
-      name: "Linux release artifacts"
-      os: linux
-      before_install:
-        - sudo apt-get install libssl-dev libudev-dev
     - <<: *release-artifacts
       name: "Windows release artifacts"
       os: windows
+    #  Linux release artifacts are still built by ci/buildkite-secondary.yml
+    #- <<: *release-artifacts
+    #  name: "Linux release artifacts"
+    #  os: linux
+    #  before_install:
+    #    - sudo apt-get install libssl-dev libudev-dev
 
     # explorer pull request
     - name: "explorer"
@@ -93,6 +97,7 @@ jobs:
 
       before_install:
         - .travis/affects.sh web3.js/ || travis_terminate 0
-        - cd explorer
+        - .travis/commitlint.sh web3.js/
+        - cd web3.js/
 
       script: echo todo
diff --git a/.travis/commitlint.sh b/.travis/commitlint.sh
new file mode 100755
index 0000000000..f9ed5dcad4
--- /dev/null
+++ b/.travis/commitlint.sh
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+#
+# Runs commitlint in the provided subdirectory
+#
+
+set -e
+
+basedir=$1
+if [[ -z "$basedir" ]]; then
+  echo "Usage: $0 [dir]"
+  exit 0
+fi
+
+if [[ ! -d "$basedir" ]]; then
+  echo "Error: not a directory: $basedir"
+  exit 1
+fi
+
+if [[ ! -f "$basedir"/commitlint.config.js ]]; then
+  echo "Error: No commitlint configuration found"
+  exit 1
+fi
+
+if [[ -z $TRAVIS_COMMIT_RANGE ]]; then
+  echo "Error: TRAVIS_COMMIT_RANGE not defined"
+  exit 1
+fi
+
+cd "$basedir"
+while IFS= read -r line; do
+  echo "$line" | npx commitlint
+done < <(git log "$TRAVIS_COMMIT_RANGE" --format=%s -- .)
diff --git a/web3.js/commitlint.config.js b/web3.js/commitlint.config.js
new file mode 100644
index 0000000000..84dcb122af
--- /dev/null
+++ b/web3.js/commitlint.config.js
@@ -0,0 +1,3 @@
+module.exports = {
+  extends: ['@commitlint/config-conventional'],
+};