I. Set the SPF Record Value for Tencent Exmail

1.Before configuring DMARC records, you must ensure that the TXT record for Tencent Exmail has been set.
Method: Sign in to your domain name service provider, go to Domain Name Resolution, and add a TXT record.
TXT record value configuration requirements are as follows:
Host record: @ or empty
Record type: TXT
TXT record value: v=spf1 include:spf.mail.qq.com ~all

II.How to Configure DMARC Records

1.DMARC record configuration requirements:
Host record: _dmarc
Record type: TXT
DMARC record value: Companies can configure the p parameter and rua for the record value according to their requirements.

2.DMARC Record Value Parameter Explanations:
① v: Version (plain text; required) - Value must be set to “DMARC1”.
② p: Requested mail recipient policy (plain text; required) - Indicate the strategy formulated by the recipient based on the requirements of the domain owner.

• p=none: No action is taken on the email, and it is delivered to the intended recipient.
  Example: v=DMARC1;p=none;rua=mailto:m**@qq.com

• p=quarantine: Marks the email as spam and delivers it to the recipient’s “Spam” folder.
  Example: v=DMARC1;p=quarantine;rua=mailto:m**@qq.com

• p=reject: Rejects emails that fail DMARC verification.
  Example: v=DMARC1;p=reject;rua=mailto:m**@qq.com

③ rua in the parsing record value (optional): an email address used to receive DMARC activity reports related to the company domain. The email address must contain mailto:,
It is advised to use a public mailbox, group, or a dedicated third-party service for processing DMARC reports. For example: rua=mailto:mailauth-reports@qq.com
Note: If rua is not required in the record, the record value is v=DMARC1; p=none;

III.Tencent Cloud Domain Name Settings Page

1.[Tencent Cloud Account Login -> DNS Resolution Settings -> Click the corresponding domain -> Domain Resolution]

2.Go to the Add Record page, click [Add Record], select TXT type for the record type, and then fill in the host record and record value in the corresponding table according to DMARC record requirements. Leave everything else as default.

IV.FAQs

1.How to query the DMARC records

Please use the [Tencent Exmail Domain DNS Self-Check Tool] for one-click verification. This tool checks critical mail-related DNS records, including MX, SPF, and DMARC, and will clearly indicate the cause if any DNS exception is found.