Credit rating rules
Direct Mail establishes a dynamic reputation rating system based on the email delivery quality (arrival rate, invalid address rate, and spam rate) of Alibaba Cloud users. The credit rating is automatically adjusted by the system. For more information, see the following rules.
Credit grades
After an Alibaba Cloud account is activated and used to log on, different Aliyun accounts will be assigned to different credit levels according to the Aliyun User Level, and the lowest initial credit is Grade 2. This corresponds to a quota of 2,000 emails/day. The highest credit grade is 16, and the corresponding daily quota is 10 million emails /day.
You can view the status, credit level, daily quota and monthly quota of your account on the Direct Mail console Overview page.
The correspondence between the credit grade and the daily quota is as follows:
Credit grade | Daily quota (emails) |
Grade 1 | 500 |
Grade 2 | 2,000 |
Grade 3 | 5,000 |
Grade 4 | 8,000 |
Grade 5 | 10,000 |
Grade 6 | 20,000 |
Grade 7 | 50,000 |
Grade 8 | 100,000 |
Grade 9 | 200,000 |
Grade 10 | 500,000 |
Grade 11 | 800,000 |
Grade 12 | 1,000,000 |
Grade 13 | 2,000,000 |
Grade 14 | 5,000,000 |
Grade 15 | 8,000,000 |
Grade 16 | 10,000,000 |
Grading rules
The Direct Mail evaluates the email delivery quality (arrival rate, invalid address rate, spam rate, etc.) of Alibaba Cloud users in real time, upgrades the reputation level for high-quality users, and demotion penalties for poor-quality users. The time interval for real-time detection is 1 to 2 minutes. The upgrade and downgrade rules are as follows:
Automatic promotion mechanism:
The upper limit ranges from level 9 to level 16. The number of automatic increases for a single account ranges from 1 to 4 per day, which does not exceed the credit level limit set by users.
The amount of mail sent is greater than 300, the daily activity reaches the full limit or is close to the full limit (more than 70% of the daily limit), the invalid address rate is less than 5%, the spam rate (including the number of failed emails rejected by the recipient due to SPAM and the number of spam reports) is lower than 2.5%, and the success rate is higher than 92%, which will improve your reputation level and daily limit.
If the quota cannot meet your daily needs for sending emails, you can contact us with a work order to adjust it separately, and manual promotion is allowed at most once a day.
Automatic degradation mechanism:
If you have data for at least three days a week and the average daily emails volume is greater than 300, the invalid address rate is higher than 9%, or the spam rate is higher than 10%, or the success rate is lower than 65%, which will affect your credit rating evaluation and reduce your daily and monthly quotas.
After a user with a reputation level of 1 is downgraded, Alibaba Cloud will restrict email sending outside this account.
The Direct Mail product has the right to adjust the above rules and values according to the actual situation of the system.