We highly recommend establishing SPF, DKIM and DMARC records with your domain name host.
Additional products/services to consider
There are three products that many of our attorney-customers use regularly. They provide anti-phishing, email encryption/verification, active anti-compromise, and legal compliance/archiving, and if you'd like to discuss any, please open a ticket and a Cloudiance specialist contact you at your convenience.
References to our knowledgebase on them:
- Keepsafe. What is email archiving?
- Reputation Protection: Anti-phishing (link-lock) and Compromise Detection (auto-lock)
- Encryption portal option (CEP)