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Octopusenergy

octopusenergy.es
🏆Rank #85,046 🏷 Telecom 🇬🇧United Kingdom

Octopusenergy uses SendGrid as their primary email service provider. They rank #85,046 in the Tranco list of most-popular domains. Their email authentication setup is solid (score 85/100).

Transactional ESPSendGrid
Total observations8
Active days6
Avg per active day1.3
Last activity⏸ Slowing · 3 weeks ago
Cadence~weekly
Compare Octopusenergy 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
one-click
SPF lookups 8/10
Authentication

DMARC reports sent to Red Sift OnDMARC. Policy p=reject means receivers actively block or quarantine spoofed mail.

SPF alignment: all 5 observed emails use a return-path aligned with octopusenergy.es (em8851.octopusenergy.es). SPF authenticates the visible From — supports DMARC directly.

DKIM alignment: all 3 observed emails sign with a domain aligned with octopusenergy.es (octopusenergy.es). 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.

SendGrid ✓ confirmed

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.

Google Workspace

Probed: octopusenergy.es, em8851.octopusenergy.es

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 2 40.0%
promotions 3 60.0%

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 %
SendGrid 5
40.0% 60.0% 0.0%

ESP activity over time

Apr 28 – Jun 8, 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 SendGrid: 2 (2026-04-28)2SendGrid: 1 (2026-04-29)1SendGrid: 2 (2026-05-18)2SendGrid: 1 (2026-06-04)1SendGrid: 2 (2026-06-08)204/2805/0305/0805/1305/1805/2305/2806/0206/07
SendGrid

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Sending IPs

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

IPHostnameObsReputation
149.72.220.50 o11.ptr5737.em5163.mail.kraken.tech 2 Check →
159.183.231.105 wfbtztsw.outbound-mail.sendgrid.net 1 Check →
168.245.55.133 o7.ptr2471.em5163.mail.kraken.tech 1 Check →
159.183.129.74 o8.ptr6837.em5163.mail.kraken.tech 1 Check →

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

Sending domains

DomainESPs detectedDelivery (7d)
octopusenergy.esSendGrid 8