SendGrid is a cloud-based SMTP provider that allows you to send email without having to maintain email servers. SendGrid manages all of the technical details, from scaling the infrastructure to ISP outreach and reputation monitoring to whitelist services and real time analytics.

Append Guest WiFi data to your SendGrid email lists to filter and segment your recipients to send targeted, personal messages that improve engagement and deliverability. automatically. Know more about your customers, including demographic, geographic, and location data.