Calm uses Iterable for marketing email and Mailgun for transactional/notifications. They rank #7,582 in the Tranco list of most-popular domains. We've also observed sends via Bloomreach. Their email authentication setup is solid (score 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 5 emails we've observed. DMARC policy is read live from DNS.
DMARC reports sent to Validity (250ok). Policy
p=reject means receivers actively block or quarantine spoofed mail.
SPF alignment: all 1 observed email use a return-path aligned with calm.com (mail.oneid.calm.com). SPF authenticates the visible From — supports DMARC directly.
DKIM alignment: all 5 observed emails sign with a domain aligned with calm.com (breathe.calm.com, mail.oneid.calm.com). DKIM authenticates the visible From — supports DMARC directly.
VMC issued by: valimail.
TLS: 0% TLS 1.3, 100% TLS 1.2 (across 5 sends).
Delivery (last 7 days): 75% under 10 seconds, 0% over 1 minute (across 4 sends).
Brands often use multiple ESPs (e.g. one for marketing, another for transactional/notifications).
Bloomreach 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.
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: calm.com, mail.oneid.calm.com, breathe.calm.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 | 7 | 63.6% |
| promotions | 3 | 27.3% |
| spam | 1 | 9.1% |
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 % |
|---|---|---|---|---|---|
| Iterable | 6 | 66.7% | 33.3% | 0.0% | |
| Mailgun | 1 | 100.0% | 0.0% | 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 calm.com has been observed sending from, and where their mail landed in Gmail.
| IP | Hostname | Obs | Placement | Reputation |
|---|---|---|---|---|
| 159.135.225.57 | v557.v5d85c8f2.use4.send.mailgun.net |
2 | — | Check → |
| 159.135.225.56 | v556.v5d85c8f2.use4.send.mailgun.net |
2 | — | Check → |
| 159.135.225.58 | v558.v5d85c8f2.use4.send.mailgun.net |
1 | — | Check → |
| 69.72.36.18 | v518.v5f1d441a.use4.send.mailgun.net |
1 | — | Check → |
| 69.72.36.19 | v519.v5f1d441a.use4.send.mailgun.net |
1 | 1 | Check → |
| 204.220.170.169 | h169.h22bf2b1.use4.send.mailgun.net |
1 | 1 | Check → |
| 143.55.232.18 | v518.v5f06b487.use4.send.mailgun.net |
1 | 1 | Check → |
| 159.135.225.59 | v559.v5d85c8f2.use4.send.mailgun.net |
1 | 1 | Check → |
| 204.220.170.171 | h171.h22bf2b1.use4.send.mailgun.net |
1 | 1 | Check → |
| Domain | ESPs detected | Delivery (7d) |
|---|---|---|
breathe.calm.com | Iterable 9 Bloomreach 1 Mailgun 1 |
