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Squareup

squareup.com
🏆Rank #2,140 🏷 Finance 🇺🇸United States

Squareup uses Amazon SES as their primary email service provider. They rank #2,140 in the Tranco list of most-popular domains. Their email authentication setup is solid (score 85/100). Missing: one-click unsubscribe.

Transactional ESPAmazon SES
Total observations9
Active days7
Avg per active day1.3
Last activity⏸ Slowing · 2 weeks ago
Cadence~every 2 weeks
Compare Squareup 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 4/10
Authentication

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

SPF alignment: all 7 observed emails use a return-path aligned with squareup.com (amazonses.messaging.squareup.com). SPF authenticates the visible From — supports DMARC directly.

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

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

ESPs this brand has authorized in their SPF record. We confirm them with a green ✓ only after seeing recurring use (3+ emails across 2+ days). Until then they stay here — either we haven't observed any email yet, or we've seen a handful but not enough to call them a regular sender for the brand.

SendGrid

Probed: squareup.com, amazonses.messaging.squareup.com, messaging.squareup.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
inbox 9 100.0%

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 7
100.0% 0.0% 0.0%

ESP activity over time

Feb 2 – Jun 8, 2026 · 5 weeks with sends

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

4 0 Amazon SES: 1 (week of 2026-02-02)1Amazon SES: 1 (week of 2026-03-16)1Amazon SES: 1 (week of 2026-04-27)1Amazon SES: 2 (week of 2026-05-11)2Amazon SES: 4 (week of 2026-06-08)4Feb 2Feb 16Mar 2Mar 16Mar 30Apr 13Apr 27May 11May 25Jun 8
Amazon SES

Similar brands using Amazon SES

Sending IPs

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

IPHostnameObsReputation
54.240.27.32 a27-32.smtp-out.us-west-2.amazonses.com 2 Check →
54.240.27.41 a27-41.smtp-out.us-west-2.amazonses.com 1 Check →
54.240.27.91 a27-91.smtp-out.us-west-2.amazonses.com 1 Check →
54.240.27.233 a27-233.smtp-out.us-west-2.amazonses.com 1 Check →
54.240.27.85 a27-85.smtp-out.us-west-2.amazonses.com 1 Check →
54.240.27.126 a27-126.smtp-out.us-west-2.amazonses.com 1 Check →
54.240.27.73 a27-73.smtp-out.us-west-2.amazonses.com 1 Check →
54.240.27.98 a27-98.smtp-out.us-west-2.amazonses.com 1 Check →

Per-IP inbox / promotions / spam is being collected and will appear here as new emails are observed.

Sending domains

DomainESPs detectedDelivery (7d)
messaging.squareup.comAmazon SES 9