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2018-03-02 |
{:shortdesc: .shortdesc} {:new_window: target="_blank"}
{{site.data.keyword.SendGrid}}, the {{site.data.keyword.cloud}} email delivery service, is a mail relay service that allows you to use a smart host to relay your outbound mail services. A smart host relays SMTP traffic from an SMTP server, mail client, or any other service or programming language capable of handling SMTP.
For more information about the {{site.data.keyword.cloud_notm}} email delivery service, see About email delivery.