Global Email:Deliverability Confidence Score

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Deliverability confidence score (DCS) is a single number in the range of 0 to 100. It is a distillation of our well-known granular result codes, representing our confidence and probability that an email sent to the address in question will successfully send.

Using DCS

DCS can significantly simplify the process of deciding whether to send an email to an address. One can partition the 0-100 range into multiple parts, or simply set a single threshold to be used to keep or discard emails. See the following section for our general recommendation on how to use DCS.

It is important to note that emails that are syntactically valid and seemingly active do not always have the highest deliverability confidence scores. The same myriad factors that are used to arrive at our result codes, such as the reputation of the email provider and our data on how likely the owner of the email is to report emails as spam, are reflected in the DCS.

Applying DCS

The following table outlines our general recommendations for using Deliverability Confidence Score:

Deliverability Score	Recommendation
0 to 30	Do not send.
31 to 60	Email delivery not guaranteed.
61 to 100	Send mail. There is a high chance of email delivery success.