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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 December 13, 2017)

Return Path Certification
Individual IP Microsoft SRD compliance thresholds

SRD Volume 0-4 5-10 11 or more
SRD Rate
Threshold
Not enforced 5 Junk Votes 45%

 

Return Path Certification
Microsoft Group SRD compliance thresholds

Group SRD Junk Votes 0-9 10-30 31-50 51 or more
Group SRD Rate Threshold Not enforced 75% 65% 55%

 

Return Path Certification
Complaint, spam trap, and blacklist compliance thresholds

Microsoft Complaint Rate Threshold 
(30 day average)
All sending volumes
0.2%
Yahoo! Inbox Complaint Rate Threshold 
(30 day average)
All sending volumes
0.6%
AOL Overall Complaint Rate Threshold
(30 day average)
No longer enforced*
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. 

*Return Path stopped enforcing compliance for AOL on 1/18/19 due to Oath migration, or the consolidation of Yahoo and AOL infrastructures. AOL data will still appear in the Certification user interface and DPR though AOL data will decrease over time until there is no AOL-specific data left to report. You will notice a steady decrease in AOL data alongside a steady increase in Yahoo data. For more information on the migration, click here. 

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
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