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Signature Detail

Security Intelligence Center
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Short Name

SMTP:SPAM-ADDRESS-EVASION

Severity

Medium

Recommended

Yes

Category

SMTP

Keywords

Spam

Release Date

2014/02/13

Update Number

2345

Supported Platforms

idp-4.0+, isg-3.0+, j-series-9.5+, mx-9.4+, srx-9.2+, srx-branch-9.4+, vsrx-12.1+

SMTP: Address Evasion Spam


This signature detects several techniques commonly used by spammers to evade detection. This signature is not recommended for blocking between known trusted MTA's.

References

  • URL: http://tools.ietf.org/html/rfc821

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