Zimbra Email Hosting & MX Logic Spam Protection

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Comparisons

Feature List:	Etomicmail	Company A	Company B	Company C	Company D

Network	Message Management	Anti-Spam Enterprise	Perimeter Manager	True Protect Suite	Security Systems

Multiple Data Centers	yes	no	yes	yes	yes

Protection from DoS Attack	yes	no	no	yes	yes

IP Masking	yes	no	no	yes	no

Secure connection to mail server	yes	no	no	no	no

99.9999% uptime guarantee	yes	no	no	no	no

100% historic uptime	yes	no	no	yes	no

Hardware

Completely Managed Solution	yes	no	no	yes	yes

No maintenance required	yes	no	no	yes	yes

No Additional Hardware Required	yes	no	yes	yes	yes

Spam Filtering

‘Honey Pots’ or ‘Bait’ Email Collection	yes	yes	no	no	no

CRC Fingerprinting (Easily Defeated)	yes	yes	no	yes	no

Heuristics (Static, Not Dynamic)	yes	no	yes	yes	yes

Proprietary Fingerprinting (Etomicmail)	yes	no	no	no	no

Proprietary Heuristics (Etomicmail)	yes	no	no	no	no

Statistically Based Analysis	yes	no	no	no	no

Artificial Intelligence (AI) Filters	yes	no	no	no	no

User Feedback Mechanism	yes	no	no	yes	no

Anti-Virus

Trend Micro	yes	no	no	no	no

Sophos	yes	no	no	yes	no

Symantec Norton AV	no	yes	no	yes	no

McAfee	no	no	yes	no	no

Other AV Engine	yes	no	no	no	yes

Other Features

Attachment Filter	yes	no	no	yes	no

Content Filter	yes	no	no	yes	yes

Policy Filter (Message Size)	yes	no	no	yes	no

Custom Black List	yes	yes	yes	no	yes

Custom White List	yes	yes	yes	no	yes

Permission Based Email	yes	no	no	no	no

Store & Forward Feature	yes	no	no	yes	no

Multiple Language Support	yes	no	no	no	no

Detailed Reporting	yes	no	no	no	no

Custom Rules	yes	yes	yes	no	no

Real-Time Updates to Filters	yes	no	no	no	no

Outbound Filtering

Virus Filtering	yes	yes	no	yes	no

Attachment Filter	yes	no	no	no	no

Content Filter	yes	no	no	yes	no

Policy Filter (Message Size)	yes	no	no	no	no

Custom Black List	yes	no	no	no	no

Custom White List	yes	no	no	no	no

Quarantines

Inbound	yes	no	yes	no	no

Outbound	yes	no	no	no	no

Administrative	yes	no	yes	no	no

User-Level Spam	yes	no	yes	no	no
Routing
Multi-Path Algorithmic Mail Routing	yes	no	no	no	no

Group-Level Mail Routing	yes	no	no	no	no

User-Level Mail Routing	yes	no	no	no	no
Protocol Integration
SMTP	yes	yes	yes	yes	yes

Secure SMTP	yes	no	no	no	no

Lightweight Directory Access Protocol (LDAP)	yes	no	no	no	no
Support
24x7 Support	yes	no	no	no	no

24x7 System Monitoring	yes	no	no	no	no

24x7 Network Operations Center	yes	yes	yes	no	yes
Resellers
Aggressive Reseller Margins	yes	no	no	no	no

Branded User Interface	yes	no	no	no	no

Lead Generation	yes	no	no	no	no

Technical Support	yes	no	no	no	no
Implementation
Free Trial	yes	no	no	yes	no

No Long-term Contract	yes	no	no	no	no

Implementation Time	30 minutes	weeks	10 days	1 day	days

No Additional Hardware Required	yes	no	yes	yes	yes
Spam Accuracy
Average Processing Time	< 1 second	< 1 second	seconds	seconds	< 1 second

Spam Identification Accuracy	90%	90%	85%	90%	96%

False Positives	0.00001%	0.000001%	0.001%	0.001%	0.001%

False Negatives	2%	10%	15%	10%	4%

Note: All information taken from respective web sites.