What are some alternatives?
When comparing Spamihilator and Hornetsecurity, you can also consider the following products
Mailwasher - Over 8 million people use MailWasher as their spam filter
Virtru - Virtru is your data privacy force field, wrapping and protecting emails and files wherever they're shared. Easy-to-use data security software for business. People also askIs Virtru Hipaa compliant?
Spamfence.net - Professional e-mail security free for private use: With Spamfence.
Proofpoint - Proofpoint provides cloud-based email security, e-discovery and compliance solutions for companies to protect sensitive business data.
Spam Reader - Spam Reader is a free anti-spam add-on for Microsoft Outlook.
SpamTitan by TitanHQ - Comprehensive Email Protection. 99.99% Spam Detection. Blocks phishing, viruses, malware and other email threats.