Email delivery by MessageBird.
SparkPost is the 4th most popular transactional ESP we track.
Detected by 320 distinct extension users.
Distribution of brands using SparkPost by industry. Helps you gauge whether this ESP is popular with businesses similar to yours. Brands tagged in two industries are counted in both.
Based on 371 of 401 brands tagged (93% coverage). Industries assigned automatically using AI; not every brand is tagged yet.
Where this ESP's emails land in Gmail. Each brand counted once (average of per-brand percentages) so a single high-volume sender can't dominate. Spam placement is mostly driven by the sender (list quality, content, complaint rate). This number reflects both the ESP's infrastructure AND the kind of senders who choose it — not just deliverability quality.
By volume: inbox 4,049 · promotions 478 · spam 83 (4,610 emails observed)
Percentages are averaged per brand (each counted once) across 165 brands using SparkPost with at least 5 placement observations each.
305 as their primary ESP, the rest send transactional or secondary email through it. Primary users are listed first, then secondary.
| Brand | Role | Obs | Spam | Last seen |
|---|---|---|---|---|
|
Cloudflare
cloudflare.com
|
primary | 175 | 5.2% | 2026-06-29 |
|
X
x.com
|
primary | 3 | 0.0% | 2026-05-06 |
|
Nytimes
nytimes.com
|
primary | 173 | 0.0% | 2026-06-29 |
|
PayPal
paypal.com
|
primary | 5 | — | 2026-05-05 |
|
Indeed
indeed.com
|
primary | 123 | 0.0% | 2026-06-30 |
|
Eventbrite
eventbrite.com
|
primary | 96 | 0.0% | 2026-06-30 |
|
Ikea
ikea.com
|
primary | 15 | 0.0% | 2026-06-03 |
|
Zillow
zillow.com
|
primary | 107 | 0.0% | 2026-06-29 |
|
Investopedia
investopedia.com
|
primary | 1 | — | 2026-05-11 |
|
Change
change.org
|
primary | 10 | 0.0% | 2026-06-19 |
|
Coursera
coursera.org
|
primary | 51 | 0.0% | 2026-06-29 |
|
Blizzard
blizzard.com
|
primary | 1 | — | 2026-06-23 |
|
Si
si.edu
|
primary | 1 | — | 2026-05-05 |
|
1mg
1mg.com
|
primary | 25 | 0.0% | 2026-06-23 |
|
Miro
miro.com
|
primary | 105 | 0.0% | 2026-06-30 |
|
Klarna
klarna.com
|
primary | 4 | 0.0% | 2026-06-26 |
|
Peacocktv
peacocktv.com
|
primary | 2 | — | 2026-05-31 |
|
Nordvpn
nordvpn.com
|
primary | 2 | — | 2026-06-12 |
|
Capitalone
capitalone.com
|
primary | 52 | 0.0% | 2026-06-27 |
|
Starbucks
starbucks.com
|
primary | 1 | — | 2026-05-04 |
|
Smartsheet
smartsheet.com
|
primary | 14 | 0.0% | 2026-06-26 |
|
Asos
asos.com
|
primary | 92 | 0.0% | 2026-06-29 |
|
Cbssports
cbssports.com
|
primary | 2 | — | 2026-06-22 |
|
Chewy
chewy.com
|
primary | 11 | 0.0% | 2026-06-28 |
|
Codepen
codepen.io
|
primary | 8 | 0.0% | 2026-06-15 |
|
Netsuite
netsuite.com
|
primary | 4 | 0.0% | 2026-05-06 |
|
Dickssportinggoods
dickssportinggoods.com
|
primary | 2 | — | 2026-06-16 |
|
Webnovel
webnovel.com
|
primary | 1 | — | 2026-06-10 |
|
Westernunion
westernunion.com
|
primary | 1 | — | 2026-05-12 |
|
Arte
arte.tv
|
primary | 3 | 0.0% | 2026-05-06 |
|
Sumup
sumup.com
|
primary | 1 | — | 2026-05-14 |
|
Hgtv
hgtv.com
|
primary | 24 | 0.0% | 2026-06-29 |
|
247sports
247sports.com
|
primary | 2 | — | 2026-06-19 |
|
Wolt
wolt.com
|
primary | 1 | — | 2026-05-05 |
|
Revolut
revolut.com
|
primary | 98 | 0.0% | 2026-06-30 |
|
Monster
monster.com
|
primary | 4 | 0.0% | 2026-06-28 |
|
Onthemarket
onthemarket.com
|
primary | 2 | — | 2026-06-19 |
|
Narvar
narvar.com
|
primary | 16 | 0.0% | 2026-06-29 |
|
Carrefour
carrefour.es
|
primary | 1 | — | 2026-04-28 |
|
Icims
icims.com
|
primary | 4 | 0.0% | 2026-06-10 |
|
Zalando
zalando.fr
|
primary | 17 | 0.0% | 2026-06-21 |
|
Vu
vu.nl
|
primary | 1 | — | 2026-05-17 |
|
Jet2holidays
jet2holidays.com
|
primary | 1 | — | 2026-05-04 |
|
Ewg
ewg.org
|
primary | 17 | 0.0% | 2026-06-28 |
|
Tickettailor
tickettailor.com
|
primary | 2 | 0.0% | 2026-05-16 |
|
Moneysavingexpert
moneysavingexpert.com
|
primary | 28 | 0.0% | 2026-06-23 |
|
Feefo
feefo.com
|
primary | 1 | — | 2026-06-15 |
|
Mollie
mollie.com
|
primary | 3 | 0.0% | 2026-05-31 |
|
Careerbuilder
careerbuilder.com
|
primary | 3 | 0.0% | 2026-05-13 |
|
Refinitiv
refinitiv.com
|
primary | 2 | — | 2026-06-01 |
|
Transunion
transunion.com
|
primary | 2 | — | 2026-05-15 |
|
Hugoboss
hugoboss.com
|
primary | 3 | 0.0% | 2026-06-28 |
|
Messagebird
messagebird.com
|
primary | 2 | — | 2026-06-04 |
|
Vividseats
vividseats.com
|
primary | 31 | 0.0% | 2026-06-29 |
|
Dice
dice.com
|
primary | 6 | 0.0% | 2026-06-26 |
|
Quince
quince.com
|
primary | 3 | 0.0% | 2026-05-15 |
|
Thrivecart
thrivecart.com
|
primary | 7 | 0.0% | 2026-06-26 |
|
Stitchfix
stitchfix.com
|
primary | 1 | — | 2026-06-10 |
|
Workato
workato.com
|
primary | 2 | — | 2026-05-11 |
|
SparkPost
sparkpost.com
|
primary | 38 | 0.0% | 2026-06-29 |
|
Theladders
theladders.com
|
primary | 1 | — | 2026-06-01 |
|
Bird
bird.com
|
primary | 31 | 0.0% | 2026-06-22 |
|
Podia
podia.com
|
primary | 7 | 0.0% | 2026-06-11 |
|
Lusha
lusha.com
|
primary | 3 | 0.0% | 2026-06-16 |
|
Pega
pega.com
|
primary | 6 | 0.0% | 2026-05-31 |
|
Jdsports
jdsports.com
|
primary | 1 | — | 2025-11-28 |
|
Safeopt
safeopt.com
|
primary | 7 | 0.0% | 2026-06-12 |
|
Leetchi
leetchi.com
|
primary | 1 | — | 2026-06-02 |
|
Biologicaldiversity
biologicaldiversity.org
|
primary | 1 | — | 2026-06-18 |
|
Insidehook
insidehook.com
|
primary | 74 | 0.0% | 2026-06-29 |
|
Notonthehighstreet
notonthehighstreet.com
|
primary | 8 | 0.0% | 2026-06-25 |
|
Jumpshare
jumpshare.com
|
primary | 2 | — | 2026-06-12 |
|
Webinargeek
webinargeek.com
|
primary | 8 | 0.0% | 2026-06-29 |
|
Flyporter
flyporter.com
|
primary | 7 | 0.0% | 2026-06-23 |
|
Topshop
topshop.com
|
primary | 12 | 0.0% | 2026-06-18 |
|
Electrolux
electrolux.com
|
primary | 1 | — | 2026-05-05 |
|
Earthjustice
earthjustice.org
|
primary | 2 | — | 2026-05-28 |
|
Clearscore
clearscore.com
|
primary | 14 | 0.0% | 2026-06-29 |
|
Yanosik
yanosik.pl
|
primary | 3 | 100% | 2026-06-22 |
|
Petlibro
petlibro.com
|
primary | 2 | — | 2026-06-22 |
|
Fragrancex
fragrancex.com
|
primary | 1 | — | 2026-06-15 |
|
Napkin
napkin.ai
|
primary | 21 | 0.0% | 2026-06-02 |
|
Lids
lids.com
|
primary | 3 | 0.0% | 2026-05-06 |
|
Mlbshop
mlbshop.com
|
primary | 1 | — | 2026-05-04 |
|
Shelterluv
shelterluv.com
|
primary | 1 | — | 2026-06-29 |
|
Hive
hive.co
|
primary | 130 | 4.3% | 2026-06-30 |
|
Carter Cash
carter-cash.com
|
primary | 2 | — | 2026-05-19 |
|
Historyfacts
historyfacts.com
|
primary | 11 | 0.0% | 2026-06-27 |
|
Brighthorizons
brighthorizons.com
|
primary | 2 | — | 2026-05-27 |
|
Capitalone
capitalone.co.uk
|
primary | 1 | — | 2026-05-19 |
|
Hotelchocolat
hotelchocolat.com
|
primary | 1 | — | 2026-06-15 |
|
Menstoppingviolence
menstoppingviolence.org
|
primary | 1 | — | 2026-06-05 |
|
Goteamup
goteamup.com
|
primary | 31 | 0.0% | 2026-06-25 |
|
Greenvelope
greenvelope.com
|
primary | 6 | 0.0% | 2026-06-11 |
|
Naacpldf
naacpldf.org
|
primary | 10 | 0.0% | 2026-06-01 |
|
Cineplex
cineplex.de
|
primary | 1 | — | 2026-05-05 |
|
Pbsnetaccess
pbsnetaccess.com
|
primary | 1 | 0.0% | 2026-06-25 |
|
Multilogin
multilogin.com
|
primary | 4 | 0.0% | 2026-06-18 |
|
Websitebuilderexpert
websitebuilderexpert.com
|
primary | 5 | 0.0% | 2026-05-17 |
|
Hybel
hybel.no
|
primary | 1 | — | 2026-05-16 |
IPs we've observed sending via SparkPost. "Brands" = distinct brands seen on each IP; "Placement" = where those emails landed in Gmail (inbox / promotions / spam). Click "reputation" to check the IP on Cisco Talos.
| IP | Hostname | Brands | Obs | Placement | Reputation |
|---|---|---|---|---|---|
| 192.174.90.19 | mta-90-19.sparkpostmail.com |
12 | 124 | 25 | Check → |
| 192.174.93.77 | mta-174-93-77.seguno.com.sparkpostmail.com |
1 | 42 | 1 | Check → |
| 156.70.22.67 | mta-70-22-67.sparkpostmail.com |
1 | 41 | 4 | Check → |
| 168.203.37.74 | mta-203-37-74.sparkpostmail.com |
18 | 39 | 13 | Check → |
| 192.174.87.158 | mta-87-158.sparkpostmail.com |
1 | 38 | 4 | Check → |
| 147.253.211.95 | mta-253-211-95.sparkpostmail.com |
1 | 36 | 3 | Check → |
| 168.203.37.65 | mta-203-37-65.sparkpostmail.com |
1 | 35 | 7 | Check → |
| 147.253.218.230 | mta-218-230.sparkpostmail.com |
1 | 34 | 5 | Check → |
| 192.174.93.78 | mta-174-93-78.seguno.sparkpostmail.com |
1 | 34 | 3 | Check → |
| 192.174.87.157 | mta-87-157.sparkpostmail.com |
1 | 33 | 3 | Check → |
| 192.174.93.79 | mta-174-93-79.seguno.com.sparkpostmail.com |
1 | 31 | 3 | Check → |
| 156.70.151.210 | mta-70-151-210.sparkpostmail.com |
20 | 31 | 7 | Check → |
| 156.70.4.124 | mta-70-4-124.sparkpostmail.com |
19 | 28 | 19 | Check → |
| 156.70.53.44 | mta-70-53-44.sparkpostmail.com |
1 | 26 | 2 | Check → |
| 168.203.37.212 | mta-203-37-212.sparkpostmail.com |
11 | 26 | 18 | Check → |
| 192.174.83.157 | mta-83-157.sparkpostmail.com |
1 | 25 | 6 | Check → |
| 156.70.23.64 | mta-70-23-64.sparkpostmail.com |
1 | 25 | 9 | Check → |
| 147.253.215.13 | mta-253-215-13.sparkpostmail.com |
16 | 24 | 9 | Check → |
| 199.15.227.146 | mta-15-227-146.sparkpostmail.com |
13 | 23 | 4 | Check → |
| 192.174.90.16 | mta-90-16.sparkpostmail.com |
15 | 23 | 10 | Check → |
| 192.174.90.17 | mta-90-17.sparkpostmail.com |
13 | 22 | 7 | Check → |
| 156.70.4.103 | mta-70-4-103.sparkpostmail.com |
1 | 21 | 2 | Check → |
| 147.253.216.76 | mta-253-216-76.uber.com.sparkpostmail.com |
1 | 21 | 2 | Check → |
| 199.15.227.141 | mta-15-227-141.sparkpostmail.com |
9 | 20 | 6 | Check → |
| 192.174.90.14 | mta-90-14.sparkpostmail.com |
13 | 20 | 7 | Check → |