Mailrelay is described as 'Advanced email marketing platform with powerful features. It allows you to create, send and manage your newsletters providing complete subscriber behavior statistics' and is a Email Marketing service in the business & commerce category. There are more than 50 alternatives to Mailrelay, not only websites but also apps for a variety of platforms, including SaaS, Windows, iPhone and Mac apps. The best Mailrelay alternative is Mailchimp, which is free. Other great sites and apps similar to Mailrelay are Brevo, GetResponse, SendPulse and Mailjet.