Category · 23 tools · 4 comparisons
Email security software
Protect business inboxes from phishing, spam, malware, and unauthorized access.
At a glance
- Tools tracked
- 23
- Entry plans
- $1.65–$119/mo
- Typical entry plan
- $10/mo
- Free plan
- 9 of 23
- Cheapest paid
- Proofpoint Essentials, $1.65/mo
- Best value score
- Sublime Security, 8/10
Every tool we cover
Price tracker →| Tool | Score | From | Top listed plan | Free plan | Trial | Pages |
|---|---|---|---|---|---|---|
| 8.0 | Free* | — | Yes | 14 days | ReviewPricing | |
| 7.2 | €3/mo* | €8/mo | Yes | — | ReviewPricingAlternatives | |
| 7.1 | $9.99/mo* | $9.99/mo | Yes | 14 days | ReviewPricing | |
| 7.0 | €2.50/mo* | €29/mo | Yes | — | Review | |
| 7.0 | Custom* | — | No | — | Review | |
| 6.8 | Custom* | — | No | 14 days | Review | |
| 6.8 | $25/mo | $450/mo | Yes | — | ReviewPricing | |
| 6.8 | $35.99/mo | $71.99/mo | No | — | ReviewPricingAlternatives | |
| 6.8 | $50/mo | $899/mo | Yes | — | ReviewPricing | |
| 6.7 | Custom* | — | No | 14 days | Review | |
| 6.6 | Custom* | — | No | — | ReviewAlternatives | |
| 6.5 | $10/mo* | $232/mo | Yes | Yes | ReviewPricingAlternatives | |
| 6.5 | $19.99/mo | $499/mo | Yes | 30 days | ReviewPricingAlternatives | |
| 6.5 | Free* | — | Yes | — | ReviewPricingAlternatives | |
| 6.3 | $4.95/mo | $7.95/mo | No | 30 days | Review | |
| 6.2 | Custom* | — | No | — | ReviewAlternatives | |
| 6.2 | $1.65/mo* | $5.33/mo | No | — | ReviewPricing | |
| 6.0 | €3.25/mo* | €3.25/mo | No | — | Review | |
| 6.0 | $2.75/mo* | $5.33/mo | No | — | ReviewPricingAlternatives | |
| 6.0 | $9.89/mo* | $16.49/mo | No | 14 days | ReviewPricingAlternatives | |
| 6.0 | $119/mo | $499/mo | No | — | ReviewPricingAlternatives | |
| 6.0 | Custom* | — | No | — | ReviewAlternatives | |
| 4.7 | Custom* | — | No | — | ReviewAlternatives |
* Lower confidence: the vendor's pricing page couldn't be read directly or didn't list every price, so the figure was compiled from other public sources and may be incomplete. Check the vendor's page before you buy.
Head-to-head
Highest scored
Sublime Security
A capable email security shortlist pick, if the unpublished enterprise price works for you.
Tuta
Good privacy features and a free tier; consider account-access complaints before moving critical email.
Encyro
Encyro combines secure messaging, file sharing and client workflows, but meaningful use costs $9.99/month annually.
Email security software: quick answers
How much does email security software cost?
Paid plans for the 23 email security tools we track start between $1.65 and $119 a month, and the typical entry plan is about $10 a month. 9 of them have a free plan. IRONSCALES, Paubox, Avanan, INKY, Abnormal AI, AppRiver and Zix don't publish a starting price. Prices are the vendors' own, checked Nov 7, 2026; most quote the per-month price when billed annually.
Which email security tool is the cheapest?
Proofpoint Essentials has the lowest paid entry plan at $1.65 a month, followed by Proofpoint at $2.75. If you can live with limits, Sublime Security, Tuta, Encyro and Mailfence have a free plan.
Which email security tools have a free plan?
Sublime Security, Tuta, Encyro, Mailfence, PreVeil, LuxSci, SendSafely, dmarcian and Valimail have a free plan. Paubox, Avanan, MailHippo and Hushmail offer a free trial instead. Free plans are usually capped on usage, seats or features; each review lists the limits.
Which email security tool scores highest in our reviews?
Sublime Security scores highest at 8.0/10. A capable email security shortlist pick, if the unpublished enterprise price works for you.