Best DMARC Software for Microsoft 365

Find and compare the best DMARC software for Microsoft 365 in 2025

Use the comparison tool below to compare the top DMARC software for Microsoft 365 on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    SpamTitan Reviews
    Top Pick

    SpamTitan

    TitanHQ

    $2.14/user/month
    801 Ratings
    See Software
    Learn More
    SpamTitan email security protects businesses, schools, smbs and MSPs from spam. SpamTitan email security protects against spam, phishing, day-zero attacks and viruses, malware, ransomware and other threats to email. It helps to control mail flow, clean it, protect against spam, and protect against unwanted email. We offer easy-to-use, yet powerful email security for businesses, smbs, and MSPs that is Office365-friendly. SpamTitan Email Security is available for a free, fully supported trial. SpamTitan – Premium functionality included * CEO Impersonation protection * Spearphishing Protection/ Phishing * Link analysis * Full Sanding * Zero Day Attacks protection * Mail Spooling * Spoofing protection * Ransomware and Malware Protection * SPF/DKIM/DMARC checking * Encryption * Fully multi-tenant environment * Ability to rebrand entire UI * Full REST API * Set up documents and support SpamTitan Email Security is the best solution in the G2 Crowd Email Security. Start your free trial today!
  • 2
    Symantec Email Security.cloud Reviews
    Protect Microsoft Office 365, Google G Suite and on-premises email using the industry's best email security solution. Email Threat Isolation protects users from ransomware, credential theft, and spear phishing. Stop insidious email threats like ransomware, spear phishing, email spam, business email compromise, and email theft. Multiple layers of protection are available to stop spear phishing emails. These include threat isolation, spam filtering and advanced security email analytics. Built-in user awareness and education tools can also be used. Protect your computer from the latest ransomware by using content defense, sandboxing and link protection technologies to detect new, stealthy and zero-day attacks. Protect your business email from compromise by using impersonation protection, sender authentication enforcement, and brand protection controls. Symantec Email Fraud Protection protects your brand reputation and solves the practical issues of sending authentication (DMARC/DKIM/SPF).
  • 3
    dmarcian Reviews
    Founded in 2012 by a primary author of the DMARC specification, dmarcian is dedicated to upgrading the entire world’s email by making DMARC accessible to all with superior tooling, educational resources, and knowledgeable support. Used by thousands and recommended by support teams around the globe, our DMARC Management Platform grants you visibility into and control over how your email domains are used. Our platform provides actionable insights and alerts for organizations of any size to deploy DMARC and its supporting technologies of SPF and DKIM, visualize email delivery data, and manage a secure domain services infrastructure. Rectify email security vulnerabilities, improve domain and brand reputation, and meet the growing demand of DMARC compliance requirements with our best-in-class offerings.
  • 4
    EmailAuth.io Reviews
    We want you to simply focus only on what you do! EmailAuth.io is part of the Infosec Ventures group and our core value lies in taking care of your most valuable digital asset: Email. We thrive to increase your Email Deliverability and help you get the maximum ROI from your mailing campaigns and increase trust amongst your customers, partners and vendors! We don't just provide support, we manage! EmailAuth's methodology includes owning the journey of attaining ultimate security of your domains. Our team of Security Experts and dedicated Customer Success Managers make sure to work with you effortlessly.
  • 5
    Valimail Reviews
    Protect your company against phishing and BEC using industry-leading DMARC technology. Valimail, a pioneering identity-based anti-phishing company, has been ensuring global trustworthiness in digital communications since 2015. Valimail is the only cloud-native platform that validates and authenticates sender identities. This allows you to prevent phishing, protect brands, and ensure compliance. To build trust in your email, you must eliminate phishing at its root. You also get brand protection, compliance and increased email deliveryability. Automatic detection of outbound send services. Access to the largest list of named sending services. Access to detailed views of the authentication status (SPF and DKIM) for all sending domains. Automated DKIM key configuration and detection.
  • 6
    Mailflow Monitoring Reviews
    Mailflow Monitoring provides real-time alerts to you when your email servers are down and also helps you diagnose delivery delays. If not addressed quickly, these issues can have a negative impact on your business. It's also free. MailFlowMonitoring.com sends an email to your email server(s) every few minutes and waits for a reply. We send an email alert to you via Email, Webhook or SMS if the server takes too much time to reply or if the roundtrip SMTP times exceeds. It's also free! Our mail flow monitoring software allows you to monitor unlimited email servers and set up unlimited notification policies to keep an eye on them. It's free! With MailFlowMonitoring.com you can use whichever alerting mechanism works best for you: webhook, slack, email or SMS. You can also set up different alerting mechanisms for each policy. The price is already known. With MailFlowMonitoring.com you control how often do we send the email to check your servers.
  • 7
    Agari Reviews
    Trusted Email Identity can be used to protect customers and workers from advanced email attacks. Advanced email attacks target a major security flaw that legacy email security measures do not address. Agari gives customers, employees, and partners the confidence to trust in their email. Unique AI with more than 300m daily machine-learning model updates understands the good and protects you from the bad. Global intelligence powered trillions of global emails provides deep insights into behavior and relationships. Global 2000 companies have adopted the email security standards based on years of experience.
  • 8
    DuoCircle Reviews
    Secure and reliable email hosting for SMBs and Enterprise. Our customers receive over 100 million emails each month. Enhanced gateway security and filtering, outbound SMTP and email service backup using a new high-quality infrastructure for the best results our customers expect. Products include: Secure email gateway, email backup MX and email forwarding, as well as outbound SMTP. Link Click Protection is a part the Advanced Threat Defense Suite and protects DuoCircle against phishing attacks. Link Click Protection protects you even if the site content changes between clicks. Your confidential corporate information is protected and you are protected from phishing attacks. Employees are simply prohibited from visiting sites that may misuse your information. An alert will notify you when a suspicious link is being visited.
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