Phishing protection including spam filtering, outbound SMTP with DKIM, backup MX services, and Advanced Threat Protection. With 24x7 support included.| DuoCircle
The Simple Mail Transfer Protocol (SMTP) server is a communication protocol or the technology behind email communication. In other words, SMTP is the protocol| DuoCircle
Advertising-free hosted email - send email from your own domain, with protection from spam, malware and phishing attacks| DuoCircle
Backup MX services help protect your messages when your mail server goes down. Up to 30 days in the queue, unlimited users - full access to logs.| DuoCircle