How Do You Configure DKIM For Trend Micro Hosted Email Security?
DKIM signature is supported by Hosted Email Security for all outgoing messages from a particular domain. The email messages from the domain can be verified by the recipients to ensure that they are legitimate and that the administrator of the domain has not altered any of the messages or attachments in transit.
Here's how to enable SPF for Zimbra if you use it to send emails to your clients.
Follow these steps to enable DKIM signing for TrendMicro HES:
To make DKIM signing available for the chosen domain:
- Checkout Outbound Protection > DomainKeys Identified Mail (DKIM) Signing.
- Choose the "Add" button.
- From the Domain name drop-down menu in the, choose a specific sender domain. DKIM Signing Settings screen addition
- Choose the DKIM signing checkbox.
- Set general DKIM signing configuration options.
- SDID: From the drop-down list, select a signature domain identification.
- Selector: subdividing selector for the key namespace. keep the default setting.
- Headers to sign: choose one or more headers, and if necessary, add more headers, to sign.
- Wait time: define the amount of time until the effects of a key pair are felt. After the Hosted Email Security locates the public key in the DNS, it proceeds to track the wait time.
- To produce a key pair, click Generate.
- Save the DNS record that was generated to your clipboard.
Adding a DKIM record to DNS:
- Access your DNS administration interface.
- Make sure to generate a TXT record in your DNS called "domainkey," for example, s1. domainkey.yourdomainname.com.
- Insert the contents of the copied DKIM public key into the TXT record value field.• Choose Save
- Check the DKIM DNS record using this free DKIM record lookup tool and confirm it.
To prevent your domains from spoofing, enable DMARC. Register for a DMARC trial right away!