diff options
Diffstat (limited to 'app')
| -rw-r--r-- | app/validators/email_mx_validator.rb | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/app/validators/email_mx_validator.rb b/app/validators/email_mx_validator.rb index 20f2fd37c..19c57bdf6 100644 --- a/app/validators/email_mx_validator.rb +++ b/app/validators/email_mx_validator.rb @@ -10,6 +10,8 @@ class EmailMxValidator < ActiveModel::Validator if domain.blank? user.errors.add(:email, :invalid) + elsif domain.include?('..') + user.errors.add(:email, :invalid) elsif !on_allowlist?(domain) resolved_ips, resolved_domains = resolve_mx(domain) |