Email Security Tools

The email security tools we detect on new sites, ranked by how many use each. Part of Email.

Tools tracked
175
in Email
Sites
16,897
using at least one email security tool
Above 1%
10
tools on more than 1% of them

What we found

  1. AntiSpamCloud leads, on 34% of the sites using an email security tool, with Proofpoint Essentials close behind on 32%.
  2. Only 10 of the 175 email security tools we track run on more than 1% of these sites.
  3. Among sites launched in September, Spamprotection.no rose to #8 from #13 in August.
  4. Several leaders are regional: Spamprotection.no (Norway) and ZA Mailgate (South Africa).

The leading email security tools

# Movement Tool Country Share Bar Sites 90 days
1 – AntiSpamCloud Hosted email anti-spam and anti-malware filtering service for ISPs and businesses. 34% 5,702
2 – Proofpoint Essentials Proofpoint Essentials (formerly Proofpoint Essentials SMB): email security gateway. 32% 5,485
3 – Premium SMTP Outbound mail relay and spam filtering service. 7.8% 1,310
4 – SpamExperts Email filtering and anti-spam service (part of cPanel) 4.5% 764
5 – MailSentinel Hosted anti-spam and email filtering gateway for inbound and outbound mail. 2.9% 484
6 – Anti-Spam Premium 2.0% 343
7 ▲1 EmailFilter Email spam filtering and message security service. 1.5% 249
8 ▼2 FilteredMX Managed email filtering and anti-spam service. 1.4% 230
9 ▼1 Mimecast Enterprise email security gateway. 1.3% 217
10 ▲5 Spamprotection.no Norwegian managed spam filtering and email security service. Norway 1.1% 178
11 ▼2 CloudFilter Hosted email anti-spam and anti-malware filtering for ISPs and email hosts. 0.9% 159
12 ▲1 ZA Mailgate South Africa 0.8% 132
13 ▼9 PreventEmailTheft 0.7% 112
14 ▼3 Barracuda Email Security Barracuda Email Security Service,. 0.6% 101
15 ▲4 Proofpoint Email Protection Enterprise email security gateway. 0.6% 93

Share is of the 16,897 sites using an email security tool; a site can use more than one. A flag means nearly all of a tool's sites are in that country. Arrows compare each tool's rank among sites launched in September with August. The line is its share of new sites over 90 days. Showing the top 15 of 175.

Watches, exports and the API give you every email security tool and the sites using each, from £15 a month.

Recently launched products using email security tools

Product Launched
First Brunch 19 Oct 2026
RankBid 17 Oct 2026
AIOProductOS 16 Oct 2026
Kourierly 15 Oct 2026
Reporting component List & Label 32 15 Oct 2026
Trade Echo 15 Oct 2026

Often built with

Other kinds of tool most often found on the same sites, leaving out the plumbing every site has (DNS, CDN, hosting).