Bolt uses Braze for marketing email and Amazon SES for transactional/notifications. They rank #7,552 in the Tranco list of most-popular domains. We've also observed sends via SparkPost. Email goes out from 5 different subdomains. Their email authentication setup is solid (score 95/100). We've recorded 5 ESP changes since first observing this brand.
Amazon SESAuthentication 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 bolt.eu. Policy
p=quarantine means receivers actively block or quarantine spoofed mail.
SPF alignment: all 44 observed emails use a return-path aligned with bolt.eu (bounce-eu-central-1.bolt.eu). SPF authenticates the visible From — supports DMARC directly.
DKIM alignment: all 60 observed emails sign with a domain aligned with bolt.eu (bolt.eu, rides-promotions.bolt.eu, rides-marketing.bolt.eu). DKIM authenticates the visible From — supports DMARC directly.
VMC issued by: digicert.
TLS: 45% TLS 1.3, 55% TLS 1.2 (across 31 sends).
Delivery: fast — 100% of emails in the last 7 days arrive in under 10 seconds (across 16 sends).
Brands often use multiple ESPs (e.g. one for marketing, another for transactional/notifications).
SparkPost 22ESPs 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.
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.
Probed: bolt.eu, bounce-eu-central-1.bolt.eu, rides-marketing.bolt.eu, delivery-marketing.bolt.eu, business-email.bolt.eu, rides-promotions.bolt.eu
Folder distribution across all emails from this brand observed in Gmail inboxes. High inbox % = good deliverability; spam appearances are the headline signal.
| Folder | Count | Share |
|---|---|---|
| inbox | 63 | 86.3% |
| promotions | 10 | 13.7% |
Placement observed in Outlook / Microsoft 365 mailboxes. Focused Inbox splits mail into two tabs, "Focused" (inbox) and "Other", plus Junk. 67% reached the Focused inbox across 3 observed emails.
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 | 37 | 100.0% | 0.0% | 0.0% | |
| Braze | 15 | 60.0% | 40.0% | 0.0% | |
| SparkPost | 17 | 82.4% | 17.6% | 0.0% |
Daily observations per ESP. Brands often run multiple ESPs concurrently — marketing on one, transactional on another — so this chart shows usage rather than switches.
IP addresses bolt.eu has been observed sending from, and where their mail landed in Gmail.
| IP | Hostname | Obs | Placement | Reputation |
|---|---|---|---|---|
| 69.169.224.53 | b224-53.smtp-out.eu-central-1.amazonses.com |
17 | — | Check → |
| 137.22.240.154 | bqnnk3vr.rides-promotions.bolt.eu |
8 | — | Check → |
| 69.169.224.58 | b224-58.smtp-out.eu-central-1.amazonses.com |
7 | — | Check → |
| 69.169.224.52 | b224-52.smtp-out.eu-central-1.amazonses.com |
7 | — | Check → |
| 137.22.241.156 | pnqry1up.rides-marketing.bolt.eu |
5 | 3 | Check → |
| 69.169.224.50 | b224-50.smtp-out.eu-central-1.amazonses.com |
5 | 3 | Check → |
| 69.169.224.51 | b224-51.smtp-out.eu-central-1.amazonses.com |
4 | 1 | Check → |
| 137.22.240.240 | gbhbqji4.rides-marketing.bolt.eu |
3 | 1 | Check → |
| 69.169.224.56 | b224-56.smtp-out.eu-central-1.amazonses.com |
3 | — | Check → |
| 137.22.241.40 | xyjwj56w.rides-promotions.bolt.eu |
3 | — | Check → |
| 137.22.241.192 | mpqltayz.rides-promotions.bolt.eu |
3 | — | Check → |
| 137.22.240.37 | luc6roox.rides-marketing.bolt.eu |
3 | 2 | Check → |
| 137.22.241.212 | woa1hzkt.rides-marketing.bolt.eu |
2 | 1 | Check → |
| 137.22.241.136 | kcibfpy7.delivery-marketing.bolt.eu |
2 | 1 | Check → |
| 137.22.240.4 | ecg42nte.business-email.bolt.eu |
2 | — | Check → |
| 69.169.224.59 | b224-59.smtp-out.eu-central-1.amazonses.com |
2 | 1 | Check → |
| 137.22.241.3 | zrfyumbm.delivery-marketing.bolt.eu |
1 | — | Check → |
| 137.22.240.122 | swxypd5v.rides-promotions.bolt.eu |
1 | — | Check → |
| 137.22.240.97 | r6z75orf.rides-marketing.bolt.eu |
1 | — | Check → |
| 69.169.224.57 | b224-57.smtp-out.eu-central-1.amazonses.com |
1 | — | Check → |
| 137.22.240.249 | fa8jrhf5.rides-promotions.bolt.eu |
1 | — | Check → |
| 137.22.241.91 | lmb9vqdi.rides-promotions.bolt.eu |
1 | 1 | Check → |
| 137.22.241.166 | unknown |
1 | — | Check → |
| 137.22.240.73 | unknown |
1 | — | Check → |