SMTP: Automated Spam MTA Connection
This signature detects connections from Mail Transfer Agents (MTA's) that could be sending spam. Certain SpamBot MTA's have a specific command sequence that can be fingerprinted. This could also be a false positive.
Short Name
SMTP:AUTO-SPAM
Severity
Info
Recommended
False
Recommended Action
None
Category
SMTP
Keywords
Automated Connection MTA Spam
Release Date
05/11/2009
Supported Platforms
mx-19.3
vmx-19.3
vsrx-19.2
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vmx-19.4
mx-19.4
srxevo-25.4
vsrx-26.2
srx-26.2
srx-branch-26.2
vsrx3bsd-26.2
mx-12.3
srx-12.3
srx-branch-12.3
vsrx-12.3
Sigpack Version
3324
False Positive
Rarely