DuoCircle Spam Filtering Alternatives (January 2026)

DuoCircle Spam Filtering

Protect Email Against Phishing, Spam and Malware - DuoCircle

https://www.duocircl.com/

Phishing protection including spam filtering, outbound SMTP with DKIM, backup MX services, and Advanced Threat Protection. With 24x7 support included.

3.9/5

12+ reviews

Reviewed on:

G2
Trustradius
Facebook
1.
Advanced Threat Defense With Phishing Protection - DuoCircle
https://www.duocircl
.com/email/phishing-protection/

Real-time link click protection defends against malicious links in emails every time, on every device, from anywhere.

2.
Email Security Solutions For Cloud-Based and On Premise Protection
https://www.virco
.com/

Boost your email security with Proofpoint Essentials and OnDMARC; protect your business against phishing, ransomware, and fraud.

3.
Email Security Solutions | Ransomware, Phishing & More | Cloud-Based |
https://contentcatche
.com/

Email Security, Archiving, Encryption, & Awareness Training. Compatible with Office 365. Virus, Phishing, Ransomware & Malware Protection.

4.
Spam and Malware Protection - Hornetsecurity – Next-Gen Microsoft 365 Security
https://www.hornetsecurit
.com/us/services/spam-and-malware-protection/

Powerful, effective protection against spam and malware

5.
EntrustedMail - Email Security
https://www.entrustedmai
.com/

An essential suite of email and web security services for SMB and Enterprise.

6.
Next Generation Email Cyber Security - Sendio Technologies
https://sendi
.com/

Protect your enterprise with best in breed email security from Sendio. Eliminate ransomware, phishing attacks, spam and malware using behavioral technology.

7.
Email Security | Encrypted Email Service
https://www.mailprotecto
.com/

Mailprotector has the complete email security products your users need to cover all three comprehensive pillars: email security, encryption, and privacy.

8.
Secure Email | Eliminate Phishing and Malware Threats | INKY Technology
https://www.ink
.com/

INKY helps companies secure email using a cloud-based security platform that proactively and instantly scans inbound, internal, and outbound emails to eliminate phishing and malware. The platform intelligently eliminates security threats by blocking malicious emails while assisting employees in real time to handle suspicious emails.

9.
Advanced Cloud Email Security and Protection - MX Layer
https://www.mxlaye
.com/

MX Layer provides cutting-edge cloud-based solutions for email security, business continuity, data loss prevention, and email archiving services.