MS365 DKIM Signature Error Resolution

Job ID: 38720700

Budget: $250 – $750 USD

I've been facing DKIM signature errors in MS365. This issue appeared suddenly, without any prior changes on my end. It is crucial for my email communication that these DKIM signature errors are resolved quickly, and that my emails are being verified correctly.

Skills and Experience Required:
- Extensive experience with Microsoft 365 (MS365) troubleshooting
- Deep understanding of DomainKeys Identified Mail (DKIM) protocols
- Proficient in DNS record management
- Proven track record of resolving similar email verification issues
- Ability to work quickly and efficiently under pressure
- Solid experience in configuring and troubleshooting Sender Policy Framework (SPF) records
- Knowledge of DMARC (Domain-based Message Authentication, Reporting, and Conformance) protocols and implementation
- Familiarity with other email authentication protocols such as ARC (Authenticated Received Chain)
- Strong background in overall email security best practices
- Experience with Microsoft 365's security features and tools

The email system involves an additional third-party email service. Opensense is a platform that specializes in email signature management and marketing solutions. Basic troubleshooting steps have been attempted, but the issue persists. The DKIM issue affects emails sent to specific domains. The DKIM issue is notably affecting emails sent to these particular domains: gmail.com, intersectpower.com.

I do not have access to the DNS records for the affected recipient domains.

Recent changes were made to the DNS records. Recent changes made to the DNS records include changing the SPF records. Relevant logs and error messages related to the DKIM failures are available. The DKIM setup for custom domains in Microsoft 365 has already been completed.
Related categories: Web Security DNS Internet Security Microsoft 365