In e-mail validator, fallback from MX to A record (#7955)

Fix #7831
This commit is contained in:
Eugen Rochko 2018-07-05 20:57:24 +02:00 committed by GitHub
parent 4b198b172d
commit 32a4b524fb
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 0 deletions

View File

@ -16,6 +16,8 @@ class EmailMxValidator < ActiveModel::Validator
return true if domain.nil?
records = Resolv::DNS.new.getresources(domain, Resolv::DNS::Resource::IN::MX).to_a.map { |e| e.exchange.to_s }
records = Resolv::DNS.new.getresources(domain, Resolv::DNS::Resource::IN::A).to_a.map { |e| e.exchange.to_s } if records.empty?
records.empty? || on_blacklist?(records)
end