diff --git a/.travis.yml b/.travis.yml
index 9f7bedb..4ff8d20 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,7 +25,7 @@ before_script:
 - sudo chgrp -R postdrop /var/spool/postfix/maildrop
 - sudo npm set strict-ssl false && sudo npm install -g gitbook-cli
 script:
-- cargo test --verbose --all
+- cargo test --verbose --all --all-features
 after_success:
 - ./.build-scripts/codecov.sh
 - '[ "$TRAVIS_BRANCH" = "v0.8.x" ] && [ $TRAVIS_PULL_REQUEST = false ] && ./.build-scripts/site-upload.sh'
diff --git a/lettre/Cargo.toml b/lettre/Cargo.toml
index 5bdb669..0d3f1b7 100644
--- a/lettre/Cargo.toml
+++ b/lettre/Cargo.toml
@@ -37,7 +37,7 @@ env_logger = "^0.5"
 glob = "0.2"
 
 [features]
-default = ["file-transport", "crammd5-auth", "smtp-transport", "sendmail-transport"]
+default = ["file-transport", "smtp-transport", "sendmail-transport"]
 unstable = []
 serde-impls = ["serde", "serde_derive"]
 file-transport = ["serde-impls", "serde_json"]