---
description: Compare Sentry Email Defense Service vs Zerospam to learn about each of the product's price, benefits and disadvantages. Choose the best software for your business in New Zealand.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/capterra/og_logo-e5a8c001ed0bd1bb922639230fcea71a.png?auto=format%2Cenhance%2Ccompress
title: Sentry Email Defense Service vs Zerospam Comparison - Capterra New Zealand 2026
---

Breadcrumb: [Home](/) > [Anti-spam Software](/directory/30996/anti-spam/software) > [Sentry Email Defense Service \<span\>vs\</span\> Zerospam](https://www.capterra.co.nz/compare/157118/173157/sentry-email-defence-service/vs/zerospam)

# Compare Sentry Email Defense Service vs Zerospam

Canonical: https://www.capterra.co.nz/compare/157118/173157/sentry-email-defence-service/vs/zerospam

> Detailed comparison between Sentry Email Defense Service and Zerospam. Check ratings, reviews, pricing, and features to make the best decision for your business.

-----

## At a Glance

| Metric | Sentry Email Defense Service | Zerospam |
| **Overall rating** | 5.0/5 | 4.8/5 |
| **Total Reviews** | 1 | 135 |
| **Starting Price** | US$1.00 | US$0.75 |
| **Free Trial** | Yes | Yes |
| **Free Version** | No | No |
| **Deployment** | Cloud, SaaS, Web-based | Cloud, SaaS, Web-based |
| **Support** | Email/Help Desk, Phone Support, 24/7 (Live rep), Chat | Email/Help Desk, Knowledge Base, Phone Support, 24/7 (Live rep) |
| **Training** | Live Online, Documentation | Live Online, Webinars, Documentation, Videos |

## Best for

### Sentry Email Defense Service

Our clients ranging from SME to listed enterprise and government departments.

### Zerospam

ZEROSPAM serves large global clients, mid-market customers and SMBs through an expanding reseller channel.

## Key features

### Sentry Email Defense Service

- Anti Spam
- Anti Virus
- Archiving & Retention
- Data Recovery
- Email Filtering
- Email Management
- Email Monitoring
- Email Routing
- Encryption
- Filtering
- Monitoring
- Policy Management
- Reporting/Analytics
- Spam Blocker
- Spam Quarantine
- Threat Intelligence
- Threat Protection
- Whitelisting/Blacklisting

### Zerospam

- API
- Anti Spam
- Anti Virus
- Archiving & Retention
- Data Recovery
- Email Filtering
- Email Management
- Email Monitoring
- Encryption
- Filtering
- Policy Management
- Reporting/Analytics
- Spam Analysis
- Spam Blocker
- Spam Quarantine
- Threat Intelligence
- Threat Protection
- Whitelisting/Blacklisting

## Links

- [View Sentry Email Defense Service Profile](https://www.capterra.co.nz/software/157118/sentry-email-defence-service)
- [View Zerospam Profile](https://www.capterra.co.nz/software/173157/zerospam)
- [View Original Comparison](https://www.capterra.co.nz/compare/157118/173157/sentry-email-defence-service/vs/zerospam)

-----

## Structured Data

<script type="application/ld+json">
  {"@context":"https://schema.org","@graph":[{"name":"Sentry Email Defense Service vs Zerospam Comparison - Capterra New Zealand 2026","description":"Compare Sentry Email Defense Service vs Zerospam to learn about each of the product's price, benefits and disadvantages. Choose the best software for your business in New Zealand.","url":"https://www.capterra.co.nz/compare/157118/173157/sentry-email-defence-service/vs/zerospam","about":[{"@id":"https://www.capterra.co.nz/software/157118/sentry-email-defence-service#software"},{"@id":"https://www.capterra.co.nz/software/173157/zerospam#software"}],"breadcrumb":{"@id":"https://www.capterra.co.nz/compare/157118/173157/sentry-email-defence-service/vs/zerospam#breadcrumblist"},"@type":["WebPage","CollectionPage"],"@id":"https://www.capterra.co.nz/compare/157118/173157/sentry-email-defence-service/vs/zerospam#webpage","publisher":{"@id":"https://www.capterra.co.nz/#organization"},"inLanguage":"en-NZ","isPartOf":{"@id":"https://www.capterra.co.nz/#website"}},{"name":"Sentry Email Defense Service","description":"A cloud-based email filtering gateway protecting company from spam, virus, ransomware, DDoS and phishing links.","url":"https://www.capterra.co.nz/software/157118/sentry-email-defence-service","@type":"SoftwareApplication","@id":"https://www.capterra.co.nz/software/157118/sentry-email-defence-service#software","applicationCategory":"BusinessApplication","publisher":{"@id":"https://www.capterra.co.nz/#organization"},"aggregateRating":{"@type":"AggregateRating","bestRating":5,"ratingCount":1,"ratingValue":5.0},"offers":{"price":"1","@type":"Offer","priceCurrency":"USD"},"operatingSystem":"Cloud"},{"name":"Zerospam","description":"Zerospam is the only cloud-based email security protection providing an unparalleled, AI-powered filtering technology, engineered by experts to be highly accurate and remarkably simple to use. The Zerospam solution was created for small and medium businesses and enterprise customers across North America and beyond because we care about your safety in an era of unprecedented cyber risk to your #1 communication method.","image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductScreenshot/2a5b0703-4d74-4b23-a9d6-1832a32af93b.png","url":"https://www.capterra.co.nz/software/173157/zerospam","@type":"SoftwareApplication","@id":"https://www.capterra.co.nz/software/173157/zerospam#software","applicationCategory":"BusinessApplication","publisher":{"@id":"https://www.capterra.co.nz/#organization"},"aggregateRating":{"@type":"AggregateRating","bestRating":5,"ratingCount":135,"ratingValue":4.8},"offers":{"price":"0.75","@type":"Offer","priceCurrency":"USD"},"operatingSystem":"Cloud"},{"@type":"BreadcrumbList","itemListElement":[{"name":"Home","position":1,"item":"/","@type":"ListItem"},{"name":"Anti-spam Software","position":2,"item":"/directory/30996/anti-spam/software","@type":"ListItem"},{"name":"Sentry Email Defense Service vs Zerospam","position":3,"item":"https://www.capterra.co.nz/compare/157118/173157/sentry-email-defence-service/vs/zerospam","@type":"ListItem"}],"@id":"https://www.capterra.co.nz/compare/157118/173157/sentry-email-defence-service/vs/zerospam#breadcrumblist"}]}
</script>