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Square

square.com
🌐Web popularity #135,324 🏷 Finance 🇺🇸United States

Square uses Amazon SES as their primary email service provider. They're the #135,324 most-visited website overall, per Tranco (a web-popularity measure, not an email one). Their email authentication setup is solid (score 85/100). Missing: one-click unsubscribe.

Transactional ESPAmazon SES
Total observations6
Active days6
Avg per active day1.0
Last activity📬 Active · 6 days ago
Cadence~every 3 days
Compare Square with another brand:

Email setup 85/100

Authentication signals observed in this brand's emails. SPF, DKIM and DMARC are the standard sender-authentication stack — see the DMARC policy below for whether spoofing is actually blocked or just monitored. One-click unsubscribe meets Google & Yahoo's bulk-sender requirements.

Strong email setup
Authentication is in good shape — SPF, DKIM, and DMARC enforcement all configured.
85/100
SPF
pass
DKIM
pass
DMARC
pass (reject)
BIMI
none
Unsubscribe
missing
SPF lookups 3/10

SPF / DKIM / DMARC above reflect the last 3 emails we've observed. DMARC policy is read live from DNS.

Authentication

DMARC reports sent to vali.email. Policy p=reject means receivers actively block or quarantine spoofed mail.

SPF alignment: all 6 observed emails use a return-path aligned with square.com (amazonses.square.com). SPF authenticates the visible From — supports DMARC directly.

DKIM alignment: all 6 observed emails sign with a domain aligned with square.com (square.com). DKIM authenticates the visible From — supports DMARC directly.

Transport & deliverability

TLS: modern — 100% TLS 1.3 (across 5 sends).

Other ESPs detected

Brands often use multiple ESPs (e.g. one for marketing, another for transactional/notifications).

None — only the primary ESP(s) shown above

Confirmed senders

ESPs we've seen sending email for this brand. Green = confirmed by SPF, sender IP rDNS, or known infra pairing (label shows the source). Grey = observed but not yet confirmed by SPF or PTR.

Amazon SES ✓ via sending IP

Other SPF authorizations

No additional ESPs authorized in the brand's SPF beyond the confirmed senders above.

Probed: square.com, amazonses.square.com

Where emails landed (Gmail)

Folder distribution across all emails from this brand observed in Gmail inboxes. High inbox % = good deliverability; spam appearances are the headline signal.

FolderCountShare
promotions 6 100.0%

Placement by ESP

Which ESP's emails are landing where. Sorted by spam % so problem senders surface first. Brands using one ESP for marketing and another for transactional often see very different placement profiles per ESP. Per-ESP folder data only started being captured recently — counts here may be smaller than the total above until backfill catches up.

ESP Emails Placement Inbox % Tabs % Spam %
Amazon SES 6
0.0% 100.0% 0.0%

ESP activity over time

Jun 6 – Jun 25, 2026 · 5 days with sends

Daily observations per ESP. Brands often run multiple ESPs concurrently — marketing on one, transactional on another — so this chart shows usage rather than switches.

2 0 Amazon SES: 2 (2026-06-06)2Amazon SES: 1 (2026-06-14)1Amazon SES: 1 (2026-06-22)1Amazon SES: 1 (2026-06-23)1Amazon SES: 1 (2026-06-25)106/0606/0806/1006/1206/1406/1606/1806/2006/2206/24
Amazon SES

Similar brands using Amazon SES

Sending IPs

IP addresses square.com has been observed sending from, and where their mail landed in Gmail.

IPHostnameObsPlacementReputation
54.240.84.132 a84-132.smtp-out.us-west-2.amazonses.com 1 Check →
54.240.116.246 a116-246.smtp-out.us-west-2.amazonses.com 1 Check →
54.240.119.28 a119-28.smtp-out.us-west-2.amazonses.com 1 Check →
54.240.84.128 a84-128.smtp-out.us-west-2.amazonses.com 1 1 Check →
54.240.84.137 a84-137.smtp-out.us-west-2.amazonses.com 1 1 Check →
54.240.84.134 a84-134.smtp-out.us-west-2.amazonses.com 1 1 Check →

Sending domains

DomainESPs detectedDelivery (7d)
square.comAmazon SES 6