• Sublime Core Feed
Medium Severity

Spam: Sendersrv.com with financial communications and unsubscribe language

Labels

Spam
Evasion
Social engineering
Header analysis
Content analysis
Natural Language Understanding
Sender analysis

Description

Detects messages from sendersrv.com infrastructure containing unsubscribe language and financial communication topics, indicating potential abuse of the bulk email service for unauthorized financial solicitations.

References

No references.

Sublime Security
Created Feb 24th, 2026 • Last updated Feb 24th, 2026
Feed Source
Sublime Core Feed
Source
GitHub
type.inbound
and any(headers.domains, .root_domain == "sendersrv.com")
and strings.icontains(body.current_thread.text, 'unsubscribe')
and any(ml.nlu_classifier(body.current_thread.text).topics,
        .name == "Financial Communications" and .confidence != "low"
)
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