Table 1.

Summary of threat message activity during a 1-month period

Threat message summary	%	Messages
Stopped as invalid recipients	0.2	2312
Spam detected	1	9147
Virus detected	0.2	1756
Stopped by content filter	0.5	3974
Stopped by DMARC	0.2	1682
Total threat messages		18 871

DMARC, Domain-based Message Authentication, Reporting and Conformance.