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SURFmailfilter on new websites Netherlands

Managed email spam and virus filtering for Dutch research and education institutions, operated by SURF.

Sites using SURFmailfilter
1
since May 2026
Last 30 days
0.0%
of new sites, to Oct 22
no change on the 30 days before
Last 7 days
0.0%
of new sites, 7-day average
no change on the week before
Rank in Email Security
#169
of 175 tools, all time
First seen May 29, 2026
Website surf.nl

What we found

  1. SURFmailfilter did not appear on any new site in the last 30 days.[1]

Share of new sites using SURFmailfilter

0.00% 0.25% 0.50% 0.75% 1.00% 10 Sep Oct

The line is the 7-day average share of new sites that use SURFmailfilter, since 10 September.

Email Security on new sites

# Movement Tool Share of all sites Share of category Bar
1 – AntiSpamCloud 0.1% 33.7%
2 – Proofpoint Essentials 0.1% 32.7%
3 – Premium SMTP <0.1% 7.8%
4 – SpamExperts <0.1% 4.4%
5 – MailSentinel <0.1% 2.9%
6 – Anti-Spam Premium <0.1% 2.1%
7 ▲1 EmailFilter <0.1% 1.5%
8 ▼2 FilteredMX <0.1% 1.3%
9 ▼1 Mimecast <0.1% 1.2%
10 ▲5 Spamprotection.no <0.1% 1.1%
11 ▼2 CloudFilter <0.1% 0.9%
12 ▲1 ZA Mailgate <0.1% 0.7%
…
169 SURFmailfilter <0.1% <0.1%

All-time shares across the new sites we track: of all of them, and of the sites using any Email Security tool. All 175 in Email Security

Recently launched products built on SURFmailfilter

1 of the 1 sites using SURFmailfilter are product launches we list individually.

Site Found Also detected
Centrum Wiskunde & Informatica cwi.nl · Netherlands May 29 Django Apple Domain Verification cdnjs Microsoft 365

Notes

  1. These figures cover websites that went live since April 2026, not the web as a whole.

How this page is made

FirstSited looks at each new website near the day it goes live and records what it was built with. We do not go back later, so these figures describe what sites launch with, not what they run today. A site counts towards SURFmailfilter when we detect SURFmailfilter on it at that look.

Every share on this page is a proportion of the new sites we were tracking at the time. Sites we found across the wider web count towards the figures, but only product launches are listed by name. How we detect technologies · How we find new sites

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.