When asked for the best email security software, 6 AI assistants named 7 brands between them this month. Mimecast was named most often, followed by Proofpoint and Proofpoint Essentials. 2 brands were named by every assistant that answered: Mimecast, Proofpoint.
Who named whom
| Brand | ChatGPT | Perplexity | Claude | Grok | DeepSeek | Cohere | Named by |
|---|---|---|---|---|---|---|---|
| Mimecast | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | 6 of 6 |
| Proofpoint | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | 6 of 6 |
| Proofpoint Essentials | ✓ | ✓ | ✓ | ✓ | ✓ | · | 5 of 6 |
| Google Workspace | · | ✓ | ✓ | ✓ | ✓ | · | 4 of 6 |
| Barracuda Email Security Gateway | ✓ | · | · | ✓ | · | ✓ | 3 of 6 |
| Abnormal Security | · | · | ✓ | · | ✓ | · | 2 of 6 |
| Mimecast Email Security | · | ✓ | · | · | · | ✓ | 2 of 6 |
Share of voice
What each assistant said
ChatGPT
Named 4 brands, in this order: Mimecast, Proofpoint, Proofpoint Essentials, Barracuda Email Security Gateway.
Selecting the best email security software for a small business depends on your specific needs, budget, and IT infrastructure.
Perplexity
Named 5 brands, in this order: Mimecast, Mimecast Email Security, Google Workspace, Proofpoint, Proofpoint Essentials.
For a small business, the strongest all-around choice is usually Mimecast Email Security, because multiple 2026 roundups specifically label it “best for small businesses” and place it among the top small-business options.
Claude
Named 5 brands, in this order: Proofpoint, Proofpoint Essentials, Mimecast, Abnormal Security, Google Workspace.
Here are some top options to consider:
Grok
Named 5 brands, in this order: Google Workspace, Proofpoint, Proofpoint Essentials, Barracuda Email Security Gateway, Mimecast.
DeepSeek
Named 5 brands, in this order: Google Workspace, Proofpoint, Proofpoint Essentials, Mimecast, Abnormal Security.
There's no single "best" email security product — the right choice depends on your email platform, team size, budget, and whether you want a full security suite or just spam/phishing filtering.
Cohere
Named 4 brands, in this order: Barracuda Email Security Gateway, Mimecast, Mimecast Email Security, Proofpoint.
Choosing the best email security software for a small business depends on your specific needs, budget, and the level of protection required.
The questions asked
- What is the best email security software for a small business?
Asked between 2026-09-26 and 2026-09-26. Not answering this month: Gemini, Mistral.
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See the GEO suiteHow this was measured
Each month we ask every assistant the same plain buyer questions, worded the way a person shopping for this kind of product would ask them, with no brand suggested in the question except where the question itself names the market leader to find alternatives to. Each assistant answers in a fresh session with no earlier conversation, so an answer reflects what the assistant says to anyone who asks, not what it was steered towards.
From each answer we keep the product and company names it recommends. A name counts only when it appears in the answer as a proper name, is not a heading such as "Best for" or "Pricing", and is confirmed by a second assistant naming it too, by a website the answer cites, or by being the market leader named in the question. Share of voice is each brand's share of all brand mentions in the category this month. Assistants that could not answer this month are listed as not answering, never counted as naming nobody.
Cite this page
https://mentionfox.com/ai-recommends/email-security