Best Email Management Software for Linux

SpamTitan email security is an email spam filter for businesses, smbs, MSPs, and schools. SpamTitan email security blocks spam as well as phishing and day-zero attacks, viruses, malware, ransomware, and other email threats. Helps control mail flow, clean it, and protect against unwanted email. We provide easy-to-use yet advanced email security for businesses, smbs and MSPs that are Office365 friendly. SpamTitan - Premium functionality included: • CEO Impersonation protection • Phishing/ Spear phishing protection • Link analysis • Full Sandboxing • Zero Day Attacks protection • Mail Spooling • Spoofing protection • Malware and Ransomware protection • SPF/DKIM/DMARC checking • Encryption • Fully multitenant environment • Ability to rebrand the entire UI • Full REST API: • Comprehensive support and set up docs Try a FREE, fully supported trial of SpamTitan Email Security today.

Groupware system for businesses and providers, backed with mobile apps. Your private cloud combining groupware, file storage and email in a single, unified environment. Clean and modern interface. Can work with your existing mail server or use its own for the complete solution. iOS/Android apps for Email and Files let your users just type their email/password and never deal with mail server settings or blocked IMAP/SMTP ports. Can be integrated with LDAP authentication or LDAP address book, along with OAuth 2.0 authentication and resources, like Google Drive or Dropbox.