Retarus E-Mail Security Alternatives (January 2026)

Enterprise Cloud Solutions for email, fax, and SMS

https://www.retaru.com/

Ensure communication with customers and suppliers, modernize messaging infrastructures and automate manual business processes thanks to Retarus’ intelligent cloud solutions.

4.5/5

18+ reviews

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Fax Online with eFax | Secure, Scalable, Enterprise Cloud Fax

https://www.efa

.com/

eFax provides secure, scalable, enterprise-grade cloud faxing with HIPAA, HITRUST, and SOC compliance. Send and receive faxes from any device—computer, tablet, or smartphone.

FaxCore | Cloud Faxing Services | Fax Server Appliances & Software

https://www.faxcor

.com/

FaxCore delivers on-premises, partly-cloudy services with etherFAX, & purely cloud-based fax services. Contact us to secure communications for your business.

Fax.Plus - Best Online Fax Service | Send Fax Online Securely

https://www.fa

.plus/

Send and receive fax online from anywhere by computer, mobile, or email. Best HIPAA-compliant online fax service for enterprises, SMEs, and individuals.

Communication APIs for SMS, Voice, Email & Authentication | Twilio

https://www.twili

.com/

Connect with customers on their preferred channels—anywhere in the world. Quickly integrate powerful communication APIs to start building solutions for SMS and WhatsApp messaging, voice, and email.

Modern Business Communication Solutions | net2phone

https://www.net2phon

.com/

Business communication solutions from net2phone streamline workflows, effortlessly collaborate, and build customer relationships that last.

OX Cloud - Premium email suite

https://www.oxclou

.email/

OX Cloud Email - Easy, Fast, Secure - Powerful email built for business

Cloud email hosting - cloud webmail - cloud email - Atmail - 25 years exp

https://atmai

.com/

Save on infrastructure and maintenance costs. Choose your data centre (US, EU, APAC). AWS native cloud email hosting.

HIPAA Compliant Fax Services | Secure Faxing Solutions | WestFax

http://westfa

.com/

WestFax is a leading provider of HIPAA Compliant Cloud Fax / Fax to Email, Print to Fax and API Integrations with ERM, CRM and more. Contact us today!

Enterprise HIPAA Cloud Fax: Interoperability for Healthcare

https://www.mfa

.io/

Scale your business faxing with enterprise-grade cloud fax solutions by mFax. HIPAA compliant fax accessible via any device using our modern web portal, fax-to-email, faxbridge connectors, or our infinitely scalable fax API. Get the most modern and intuitive cloud fax built for business from mFax by Documo.