This article focuses on what DKIM is and how to add it.
DKIM
DKIM is an authentication method that uses public /private key encryption to verify whether the email is sent by the authorization server, recognized and configured by the sending email domain administrator.
How to get the record value
The email administrator logs in to the email management console, goes to Customization - Domain Names - Domain, and clicks to View Configuration Methods.
Click Copy to obtain the DKIM record value.
The host records and record values are different for different domain names. Please go to the corresponding page to obtain the data of your own domain.
How to add the DKIM
DKIM is configured with TXT records in DNS, so TXT record needs to take effect first.
In this TXT record, you need to contact your email provider to provide Hostname and Record values. The following steps are for reference only.
1. Log on to the Alibaba Cloud DNS Console.
2. Click the domain name to go to the DNS Settings page.
3. On the DNS Settings page, click Add DNS Record to create a TXT record.
4. Enter default._domainkey as the Hostname.
5. TXT record value: v=DKIM1; g=*; k=rsa; p=...... (The following record is a whole row).
The following figure shows an example of adding DKIM records: 