# Inbox Spam Filter

**Source:** https://www.startuphub.ai/organizations/inbox-spam-filter
**Profile type:** Startup

> AI-powered spam filter for HubSpot shared inboxes, blocking phishing, malware, and junk before they reach your team.

## About

Inbox Spam Filter provides an AI-powered solution for HubSpot shared inboxes, designed to automatically filter out spam, phishing, and malware. It helps sales and support teams save time on manual triage, maintain a clean CRM by preventing junk contacts, and improve data quality for sales. The system offers explainable filtering with AI scores and reasoning for flagged messages, and integrates directly with HubSpot as a technology partner.

## Key facts

- **Slug:** inbox-spam-filter
- **Website:** https://inboxspamfilter.com/
- **Operating status:** Active
- **Sectors / tags:** Cybersecurity, AI Spam Filter, Email Security, HubSpot Integration, CRM Tools
- **Social:**
  - Twitter: https://x.com/inboxspamfilter
  - Facebook: https://www.facebook.com/inboxspamfilter

## Pricing

| Plan | Price | Includes |
| --- | --- | --- |
| Starter | $0 / month | Up to 500 emails per month, Shared inbox filtering |
| Basic | $25 / month | 1,001 to 5,000 emails per month, Shared inbox filtering, Custom rules |
| Pro | $50 / month | 5,001 to 20,000 emails per month, Shared inbox filtering, Custom rules |

Custom instructions available on Basic and higher. Configurable spam threshold defaults to 70. Starter does not include Strip email addresses. Contact sales for volumes over 20,000 emails per month, VPC deployment, or co-branded version.

Plans as published by Inbox Spam Filter, checked October 2026.

## StartupHub.ai scores

- **Data Trust:** 73/100
- **Agent Readiness:** D (46/100)

## Tech stack

Detected on inboxspamfilter.com, last scanned 2026-10-02.

- **Frontend:** Next.js, Tailwind CSS
- **Analytics:** Google Tag Manager
- **CDN:** Cloudflare
- **Email provider:** Google Workspace
- **Affiliate program:** Self-hosted affiliate

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