Back to Services

Email Identity & Device Management

SPF DKIM DMARC Configuration

Authenticate outbound email to stop spoofing and improve deliverability.

Serving Houston, TX and surrounding areas including Sugar Land, Katy, The Woodlands, and Galveston.

Quick facts

  • Who we serve: Marketing and sales teams, Transactional senders, Brands with spoofing concerns
  • Problems solved: Spoofed domains and phishing, Poor inbox placement, No reporting on authentication
  • Tools and platforms: DMARC analytics, DNS management, SPF record testing, DKIM signing
  • Next step: Fix email deliverability

Who it is for

  • Marketing and sales teams
  • Transactional senders
  • Brands with spoofing concerns

Problems we solve

  • Spoofed domains and phishing
  • Poor inbox placement
  • No reporting on authentication

Solutions and deliverables

  • SPF record design without breakage
  • DKIM keys for primary and secondary senders
  • DMARC policy rollout with reporting and tuning

Tools and platforms

  • DMARC analytics
  • DNS management
  • SPF record testing
  • DKIM signing

Service area and availability

  • Serving Houston, TX and surrounding areas including Sugar Land, Katy, The Woodlands, and Galveston.
  • Onsite in Houston with remote coverage elsewhere
  • Business hours: Mon-Fri 8am-6pm CT with after-hours for incidents

Trust and proof

  • Documented runbooks and SLAs
  • Security-first configurations
  • Internal links to related services and contact

What's included

Comprehensive coverage of our spf dkim dmarc configuration service for Houston businesses.

SPF record configuration and optimization

  • SPF (Sender Policy Framework) records authorizing legitimate mail servers to send from your domain
  • Comprehensive SPF audits identifying all authorized senders including Microsoft 365, marketing platforms, and CRM
  • SPF record flattening to avoid the 10 DNS lookup limit that causes authentication failures
  • Include mechanisms for third-party services like Mailchimp, SendGrid, Salesforce, and HubSpot
  • SPF testing and validation using mxtoolbox and mail-tester before production deployment
  • Ongoing SPF maintenance as Houston businesses add new email-sending applications and services

DKIM signing and key management

  • DomainKeys Identified Mail (DKIM) cryptographic signing proving email authenticity and integrity
  • DKIM key generation and DNS TXT record publication for primary sending domains
  • Multi-selector DKIM configuration for different mail streams like transactional vs marketing emails
  • DKIM signing enablement in Exchange Online, Google Workspace, and third-party email platforms
  • DKIM rotation policies and key length recommendations (2048-bit minimum) for security
  • DKIM troubleshooting resolving selector mismatches and DNS propagation delays

DMARC policy deployment and enforcement

  • DMARC (Domain-based Message Authentication) policies preventing unauthorized use of your Houston domain
  • Phased DMARC rollout starting with p=none monitoring, moving to p=quarantine, then p=reject enforcement
  • DMARC aggregate and forensic reporting to dedicated mailboxes or analytics platforms
  • Subdomain policy configuration protecting marketing and transactional subdomains from abuse
  • DMARC alignment requirements ensuring SPF and DKIM match the From: domain
  • Policy percentage tuning gradually increasing enforcement while monitoring legitimate mail impact

Email deliverability improvement

  • Inbox placement optimization increasing the percentage of emails reaching primary inbox vs spam folder
  • Sender reputation monitoring with tools like Google Postmaster and Microsoft SNDS
  • Blacklist removal services resolving Spamhaus, SpamCop, and other RBL listings impacting delivery
  • Reverse DNS (PTR) record configuration ensuring mail server IPs have proper identification
  • Email volume and warmup strategies for new sending domains and IP addresses
  • List hygiene recommendations removing bounces, inactive subscribers, and spam traps

DMARC reporting and analysis

  • Daily DMARC aggregate report collection and parsing from Gmail, Outlook, Yahoo, and other receivers
  • Unauthorized sender identification spotting phishing campaigns impersonating your Houston brand
  • Authentication pass/fail metrics showing SPF, DKIM, and DMARC alignment success rates
  • Third-party sender discovery revealing forgotten or shadow IT email services needing SPF inclusion
  • Trend analysis tracking improvements in authentication rates after configuration changes
  • Executive dashboards summarizing email security posture and enforcement progress for leadership

FAQs

Common questions from Houston clients and AI/voice search.

Why do Houston businesses need SPF, DKIM, and DMARC?

These protocols authenticate your email, prevent domain spoofing and phishing, improve inbox deliverability, and protect your brand from impersonation attacks.

Can you configure DMARC without breaking legitimate email?

Yes. We start with monitoring-only DMARC (p=none), identify all legitimate senders, configure SPF and DKIM properly, then gradually enforce policies.

Do you provide DMARC reporting and analysis?

Yes. We collect daily DMARC reports, identify unauthorized senders, track authentication rates, and provide dashboards showing email security posture.

Can you improve email deliverability for marketing and sales?

Yes. We optimize SPF, DKIM, and DMARC, monitor sender reputation, resolve blacklisting, configure reverse DNS, and recommend list hygiene best practices.

Related services

Explore nearby intents to guide users and crawlers.

Email Identity & Device Management

Business Email Setup and Security

Secure business email with modern authentication, encryption, and compliance controls.

View service

Email Identity & Device Management

Exchange Online Setup and Support

Exchange Online design, migration, and day-2 support with Houston-based staff.

View service

Core IT & Cloud Services

Managed IT Services Houston

Proactive managed IT with monitoring, patching, and on-site support across Houston.

View service

Ready to get started?

Contact us today to discuss how our spf dkim dmarc configuration services help Houston businesses run reliably and securely.