# Bitdefender GravityZone Security for Exchange vs zvelo PhishBlocklist™: side-by-side comparison (2026) [Bitdefender GravityZone Security for Exchange](https://cybersectools.com/tools/bitdefender-gravityzone-security-for-exchange) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Bitdefender](https://cybersectools.com/companies/bitdefender). [zvelo PhishBlocklist™](https://cybersectools.com/tools/zvelo-phishblocklisttm) is a commercial [threat intel feeds](https://cybersectools.com/categories/threat-intel-feeds) solution by [Zvelo](https://cybersectools.com/companies/zvelo). Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms) picks Proofpoint Core Email Protection, Microsoft Defender for Office 365, Mimecast Advanced Email Security and 4 more. ## Side-by-side comparison | | Bitdefender GravityZone Security for Exchange | zvelo PhishBlocklist™ | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Threat Intel Feeds | | Verified | No | No | | Deployment type | On-Premises | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Bitdefender | Zvelo | | Headquarters | – | – | ### Use cases and capabilities | | Bitdefender GravityZone Security for Exchange | zvelo PhishBlocklist™ | |---|---|---| | Spam Prevention | Yes | – | | Zero Day | Yes | – | | Microsoft 365 | Yes | – | | Threat Feed | – | Yes | | URL Filtering | – | Yes | | Cyber Threat Intelligence | – | Yes | ### Core features **Bitdefender GravityZone Security for Exchange** 10 features listed. Sign in on the page to see them. **zvelo PhishBlocklist™** 10 features listed. Sign in on the page to see them. ### Integrations **Bitdefender GravityZone Security for Exchange** 3 integrations listed. Sign in on the page to see them. **zvelo PhishBlocklist™** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Bitdefender GravityZone Security for Exchange](https://cybersectools.com/tools/bitdefender-gravityzone-security-for-exchange) fits if you need to run it on your own servers. - [zvelo PhishBlocklist™](https://cybersectools.com/tools/zvelo-phishblocklisttm) fits if you want a cloud product. ## Bitdefender GravityZone Security for Exchange vs zvelo PhishBlocklist™ FAQ Common questions when comparing Bitdefender GravityZone Security for Exchange vs zvelo PhishBlocklist™ for email security platforms. ### What is the difference between Bitdefender GravityZone Security for Exchange and zvelo PhishBlocklist™? **Bitdefender GravityZone Security for Exchange**: Email security for Microsoft Exchange servers with antispam and antimalware. Built by Bitdefender. **zvelo PhishBlocklist™**: Curated phishing threat intelligence feed with predictive detection. Built by Zvelo. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Bitdefender GravityZone Security for Exchange and zvelo PhishBlocklist™? **Bitdefender GravityZone Security for Exchange** is made by Bitdefender. **zvelo PhishBlocklist™** is made by Zvelo. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Bitdefender GravityZone Security for Exchange a good alternative to zvelo PhishBlocklist™? In part. Bitdefender GravityZone Security for Exchange and zvelo PhishBlocklist™ are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Bitdefender GravityZone Security for Exchange vs ID Agent Graphus](https://cybersectools.com/compare/bitdefender-gravityzone-security-for-exchange-vs-id-agent-graphus) - [Bitdefender GravityZone Security for Exchange vs SpamTitan for Office 365](https://cybersectools.com/compare/bitdefender-gravityzone-security-for-exchange-vs-spamtitan-for-office-365) - [Bitdefender GravityZone Security for Exchange vs ESET Cloud Office Security](https://cybersectools.com/compare/bitdefender-gravityzone-security-for-exchange-vs-eset-cloud-office-security) - [zvelo PhishBlocklist™ vs ID Agent Graphus](https://cybersectools.com/compare/id-agent-graphus-vs-zvelo-phishblocklisttm) - [zvelo PhishBlocklist™ vs SpamTitan for Office 365](https://cybersectools.com/compare/spamtitan-for-office-365-vs-zvelo-phishblocklisttm) - [zvelo PhishBlocklist™ vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-zvelo-phishblocklisttm) ## Alternatives to each - [See all Bitdefender GravityZone Security for Exchange alternatives](https://cybersectools.com/alternatives/bitdefender-gravityzone-security-for-exchange) - [See all zvelo PhishBlocklist™ alternatives](https://cybersectools.com/alternatives/zvelo-phishblocklisttm) --- Source: https://cybersectools.com/compare/bitdefender-gravityzone-security-for-exchange-vs-zvelo-phishblocklisttm For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/bitdefender-gravityzone-security-for-exchange.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Bitdefender GravityZone Security for Exchange and zvelo PhishBlocklist™: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md