Shein uses Emarsys for marketing email and SparkPost for transactional/notifications. They rank #495 in the Tranco list of most-popular domains. We've also observed sends via 3 other providers: ActiveCampaign, SendGrid, Inboxroad. Email goes out from 6 different subdomains. Their email authentication setup is solid (score 95/100).
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 2 emails we've observed. DMARC policy is read live from DNS.
DMARC reports sent to shein.com. Policy
p=quarantine means receivers actively block or quarantine spoofed mail.
SPF alignment: all 8 observed emails use a return-path aligned with shein.com (bounces.emailmarket.shein.com, bounces.market-us.shein.com, em6127.shein.com). SPF authenticates the visible From — supports DMARC directly.
DKIM alignment: all 6 observed emails sign with a domain aligned with shein.com (market-us.shein.com, us.mail.shein.com, shein.com). DKIM authenticates the visible From — supports DMARC directly.
Brands often use multiple ESPs (e.g. one for marketing, another for transactional/notifications).
ActiveCampaign 1 SendGrid 1 Inboxroad 1ESPs 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.
No additional ESPs authorized in the brand's SPF beyond the confirmed senders above.
Probed: shein.com, bounces.emailmarket.shein.com, bounces.market-us.shein.com, em6127.shein.com, emailmarket.shein.com, market-us.shein.com, news.edmmarket.shein.com, us.mail.shein.com, news.emailmarket.shein.com
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 | 4 | 44.4% |
| promotions | 5 | 55.6% |
Placement observed in Outlook / Microsoft 365 mailboxes. Focused Inbox splits mail into two tabs, "Focused" (inbox) and "Other", plus Junk. 0% reached the Focused inbox across 1 observed email.
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 % |
|---|---|---|---|---|---|
| Emarsys | 5 | 60.0% | 40.0% | 0.0% | |
| ActiveCampaign | 1 | 0.0% | 100.0% | 0.0% | |
| SendGrid | 1 | 100.0% | 0.0% | 0.0% | |
| SparkPost | 2 | 0.0% | 100.0% | 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 shein.com has been observed sending from, and where their mail landed in Gmail.
| IP | Hostname | Obs | Placement | Reputation |
|---|---|---|---|---|
| 45.87.197.41 | mta-2d57c529.ip4.emsmtp.us |
2 | — | Check → |
| 168.203.51.150 | mta-203-51-150.us.mail.shein.com.sparkpostmail.com |
2 | — | Check → |
| 45.87.197.21 | mta-2d57c515.ip4.emsmtp.us |
1 | — | Check → |
| 45.87.197.28 | mta-2d57c51c.ip4.emsmtp.us |
1 | — | Check → |
| 45.87.197.29 | mta-2d57c51d.ip4.emsmtp.us |
1 | — | Check → |
| 45.87.197.238 | mta-2d57c5ee.ip4.emsmtp.us |
1 | — | Check → |
| 185.255.11.128 | smtp008-us2.mail-messaging.com |
1 | — | Check → |
| 149.72.120.145 | o15.ptr6.sheinnotice.com |
1 | — | Check → |
| 208.93.50.71 | unknown |
1 | — | Check → |
| 45.87.197.249 | mta-2d57c5f9.ip4.emsmtp.us |
1 | 1 | Check → |