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Sites using OnlineSpamFilter

1 launches via launch platforms Category: Email Security #34 of 44 in Email Security First seen: May 4, 2026

Email security.

Found via: Product Hunt 1

View: Launch platforms All sources StackScope Discovery StackScope Wider Web
Last 7 days 0.0% +0.0pp
Most used with Microsoft 365, Fastmail, SendGrid

OnlineSpamFilter has been detected on a single launch we've crawled, Increase website traffic & lead gen, on May 4, 2026.

It's most commonly paired with Microsoft 365, Fastmail, and SendGrid.

Share of new launches using OnlineSpamFilter

Each dot is one launch day. Line is the 7-day rolling average. Chart starts at first detection.

0.0%
last 7 days
+0.0pp vs prior week
0.0%
July so far
0 of 10,662 launches
1
launch all time
since May 2026
OnlineSpamFilter daily detection trend 5% 2% 0% May Jun Jul Jul 3, 2026: Email provider detection improved: providers identified from mail configuration are now caught on a site's first crawl. Earlier data may slightly undercount. Apr 27 · 0 / 529 = 0.0% Apr 28 · 0 / 836 = 0.0% Apr 29 · 0 / 658 = 0.0% Apr 30 · 0 / 573 = 0.0% May 1 · 0 / 568 = 0.0% May 2 · 0 / 368 = 0.0% May 3 · 0 / 346 = 0.0% May 4 · 1 / 536 = 0.2% May 5 · 0 / 855 = 0.0% May 6 · 0 / 671 = 0.0% May 7 · 0 / 624 = 0.0% May 8 · 0 / 597 = 0.0% May 9 · 0 / 428 = 0.0% May 10 · 0 / 350 = 0.0% May 11 · 0 / 536 = 0.0% May 12 · 0 / 797 = 0.0% May 13 · 0 / 687 = 0.0% May 14 · 0 / 625 = 0.0% May 15 · 0 / 542 = 0.0% May 16 · 0 / 407 = 0.0% May 17 · 0 / 367 = 0.0% May 18 · 0 / 566 = 0.0% May 19 · 0 / 846 = 0.0% May 20 · 0 / 674 = 0.0% May 21 · 0 / 606 = 0.0% May 22 · 0 / 546 = 0.0% May 23 · 0 / 378 = 0.0% May 24 · 0 / 341 = 0.0% May 25 · 0 / 535 = 0.0% May 26 · 0 / 877 = 0.0% May 27 · 0 / 683 = 0.0% May 28 · 0 / 577 = 0.0% May 29 · 0 / 486 = 0.0% May 30 · 0 / 377 = 0.0% May 31 · 0 / 368 = 0.0% Jun 1 · 0 / 619 = 0.0% Jun 2 · 0 / 927 = 0.0% Jun 3 · 0 / 711 = 0.0% Jun 4 · 0 / 598 = 0.0% Jun 5 · 0 / 578 = 0.0% Jun 6 · 0 / 436 = 0.0% Jun 7 · 0 / 405 = 0.0% Jun 8 · 0 / 511 = 0.0% Jun 9 · 0 / 872 = 0.0% Jun 10 · 0 / 725 = 0.0% Jun 11 · 0 / 573 = 0.0% Jun 12 · 0 / 445 = 0.0% Jun 13 · 0 / 381 = 0.0% Jun 14 · 0 / 346 = 0.0% Jun 15 · 0 / 530 = 0.0% Jun 16 · 0 / 1047 = 0.0% Jun 17 · 0 / 899 = 0.0% Jun 18 · 0 / 672 = 0.0% Jun 19 · 0 / 544 = 0.0% Jun 20 · 0 / 443 = 0.0% Jun 21 · 0 / 384 = 0.0% Jun 22 · 0 / 574 = 0.0% Jun 23 · 0 / 899 = 0.0% Jun 24 · 0 / 739 = 0.0% Jun 25 · 0 / 619 = 0.0% Jun 26 · 0 / 533 = 0.0% Jun 27 · 0 / 433 = 0.0% Jun 28 · 0 / 385 = 0.0% Jun 29 · 0 / 503 = 0.0% Jun 30 · 0 / 803 = 0.0% Jul 1 · 0 / 799 = 0.0% Jul 2 · 0 / 604 = 0.0% Jul 3 · 0 / 498 = 0.0% Jul 4 · 0 / 411 = 0.0% Jul 5 · 0 / 367 = 0.0% Jul 6 · 0 / 552 = 0.0% Jul 7 · 0 / 929 = 0.0% Jul 8 · 0 / 752 = 0.0% Jul 9 · 0 / 688 = 0.0% Jul 10 · 0 / 564 = 0.0% Jul 11 · 0 / 448 = 0.0% Jul 12 · 0 / 397 = 0.0% Jul 13 · 0 / 552 = 0.0% Jul 14 · 0 / 885 = 0.0% Jul 15 · 0 / 738 = 0.0% Jul 16 · 0 / 820 = 0.0% Jul 17 · 0 / 658 = 0.0%
Apr 27, 2026 82 days Jul 17, 2026

How StackScope detects technologies

⋮ Jul 3, 2026: Email provider detection improved: providers identified from mail configuration are now caught on a site's first crawl. Earlier data may slightly undercount.

Email Security leaders

Tool % of launches % of category
#1 DNSSmartHost 0.22% 33.49%
#2 MailSpamProtection 0.21% 32.05%
#3 Proofpoint Essentials 0.14% 21.93%
#4 AntiSpamCloud 0.08% 11.57%
#5 Validity 0.03% 4.82%
…
#34 OnlineSpamFilter Current page <0.01% 0.24%

Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Email Security tool. All 44 in Email Security →

Often used with

Tool Launches
Microsoft 365 1
Fastmail 1
SendGrid 1
PHP 1
WordPress 1

Tools most often detected on the same launches as OnlineSpamFilter.

Most recent of 1 launch using OnlineSpamFilter

Screenshot of Increase website traffic & lead gen, a launch using OnlineSpamFilter Increase website traffic & lead gen May 4, 2026 · score 5.9 Netherlands
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