Email Detective — ESP Tracker

Brevo

brevo.com ↗

🏆Rank #2,878 🏷 SaaS 🇫🇷France ✓ Inbox 92%

Brevo uses Brevo for marketing email and Amazon SES for transactional/notifications. They rank #2,878 in the Tranco list of most-popular domains. We've also observed sends via Marketo. Email goes out from 34 different subdomains. Their email authentication setup is solid (score 100/100). We've recorded 6 ESP changes since first observing this brand.

Marketing ESPBrevo

Transactional ESPAmazon SES

Total observations223

Active days53

Avg per active day4.2

Last activity📬 Active · yesterday

Cadence~every 2 weeks

Email setup 100/100

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.

SPF / DKIM / DMARC above reflect the last 10 emails we've observed. DMARC policy is read live from DNS.

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

SPF alignment: observed emails use a third-party return-path (gb.d.sender-sib.com, ga.d.sender-sib.com, shared-p100-i10.d.sp1-brevo.net) — SPF passes there but doesn't align with brevo.com, so DMARC has to rely on DKIM alignment.

DKIM alignment: all 150 observed emails sign with a domain aligned with brevo.com (t.brevo.com, brevo.com, m.brevo.com). DKIM authenticates the visible From — supports DMARC directly.

TLS: modern — 100% TLS 1.3 (across 58 sends).

Delivery: fast — 97% of emails in the last 7 days arrive in under 10 seconds (across 29 sends).

Other ESPs detected

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

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.

Brevo ✓ confirmed Zendesk ✓ 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.

Google Workspace

Probed: brevo.com, gb.d.sender-sib.com, ga.d.sender-sib.com, emailmarketingnyc.com, bf.d.mailin.fr, hk.d.sender-sib.com, gg.d.sender-sib.com, bw.d.mailin.fr, gu.d.sender-sib.com, shared-p200-i16.d.sp2-brevo.net, as.d.mailin.fr, id.d.sender-sib.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.

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.

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

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Sending IPs

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

Sending domains