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Inbox OSS

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Anti-Spam Policy

Inbox OSS has zero tolerance for spam. This policy explains how we define spam, how we monitor for it, and how we respond to it.

Last updated: May 1, 2026

Our definition of spam

We define spam as any commercial email sent to a recipient who has not given explicit, verifiable consent to receive it from the sender. The presence of an unsubscribe link does not legitimize spam.

How we detect spam

We monitor: complaint rates from feedback loops, bounce rates, blocklist appearances, postmaster tools scores, content fingerprints against known spam, and reports from abuse@inbox.onesourcesoft.com.

Response

Suspected violations are reviewed within 24 hours. We may pause sending, suspend the account, require list cleansing, or terminate. Severe cases (phishing, malware, illegal content) trigger immediate termination.

Customer obligations

By using Inbox OSS, you certify that every recipient on your list has given explicit consent, that you maintain consent records, that your unsubscribe mechanism works within 10 business days, and that your From/Reply-To accurately identifies you.

Appeal

If your account is suspended, you may appeal to compliance@inbox.onesourcesoft.com. We respond to appeals within two business days.