https://www.jonathanmcmaster.com/ monthly 1 https://www.jonathanmcmaster.com/insights/dmarc-salesforce-alignment yearly 0.7 https://www.jonathanmcmaster.com/capabilities yearly 0.6 https://www.jonathanmcmaster.com/insights monthly 0.7 https://www.jonathanmcmaster.com/services/email-authentication-assessment yearly 0.8 https://www.jonathanmcmaster.com/services/dmarc-implementation yearly 0.8 https://www.jonathanmcmaster.com/services/email-deliverability-troubleshooting yearly 0.8