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What are the Certification compliance metrics and thresholds for IP Certification?

As a Certification member, you are expected to stay within your thresholds for the Certification compliance metrics outlined below, by following industry best practices for complaints, unknown users, spam traps, Microsoft Sender Reputation Data (SRD), and blacklistings.

Compliance thresholds for certified IPs

(as of April 24, 2017)

Microsoft Sender Reputation Data (SRD)
SRD Volume 5-10 11-19 20-39 40-99 100+
SRD Rate Threshold 5 junk votes 45% 40% 35% 30%
IP addresses are evaluated and enforced when at least five total votes are present. Group enforcement applies only to active IP addresses with at least 30 total votes present and IP groups with 20 or more IP addresses. Group enforcement will only apply to IP addresses with at least one SRD junk vote.
Microsoft Complaint Rate Threshold 
(30 Day Average)

All Sending Volumes
0.4%

Yahoo! Inbox Complaint Rate Threshold 
(30 Day Average) 

All Sending Volumes
0.6%

AOL Overall Complaint Rate Threshold
(30 Day Average)
All Sending Volumes
0.3%
Comcast Complaint Rate Threshold
(30 Day Average)
All Sending Volumes
0.3%
Spam Trap Thresholds
(30 Day Cumulative) 
3 Critical Trap Hits
5 Significant Trap Hits
RP Trap Network 1 Threshold
(30 Day Cumulative)
100 Trap Hits
Cloudmark Trap Threshold
(30 Day Cumulative) 
100 Trap Hits
Cloudmark Complaint Rate Threshold
(30 Day Average)
1.0%
Blacklist Thresholds
(Current Listing)

1 Critical Listing
2 Significant Listings


Note: 
Certification only enforces on its mailbox provider complaint rate thresholds if you receive a set minimum number of complaints. 

Here is the list of mailbox providers and the minimum number of complaints you need to receive in order for Certification to enforce its complaint rate thresholds: 

  • Microsoft: 200 complaints
  • Yahoo!: 200 complaints
  • Comcast: 100 complaints
  • AOL: 100 complaints
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