Better check on the validity of emails

At this moment it was possible to enter emails like:
mailto:info@example.com. This was causing some issue in the frontend,
since those links became html mailto: links.

Fixes: #3516

1 files changed, 3 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
index b9ef6b1f46b..db256ded3b2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -52,6 +52,9 @@ gem "grape", "~> 0.6.1"
 gem "grape-entity", "~> 0.3.0"
 gem 'rack-cors', require: 'rack/cors'
 
+# Email validation
+gem "email_validator", "~> 1.4.0", :require => 'email_validator/strict'
+
 # Format dates and times
 # based on human-friendly examples
 gem "stamp"