Fast transactional email delivery.
Postmark is the 5th most popular transactional ESP we track.
Detected by 261 distinct extension users.
Distribution of brands using Postmark 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 227 of 261 brands tagged (87% 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 3,501 · promotions 172 · spam 19 (3,692 emails observed)
Percentages are averaged per brand (each counted once) across 102 brands using Postmark with at least 5 placement observations each.
198 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 |
|---|---|---|---|---|
|
Withgoogle
withgoogle.com
|
primary | 2 | — | 2026-06-10 |
|
Livechatinc
livechatinc.com
|
primary | 5 | 0.0% | 2026-06-28 |
|
Gamma
gamma.app
|
primary | 6 | 0.0% | 2026-06-17 |
|
Judge
judge.me
|
primary | 11 | 0.0% | 2026-06-26 |
|
Buymeacoffee
buymeacoffee.com
|
primary | 2 | — | 2026-06-02 |
|
Livechat
livechat.com
|
primary | 2 | — | 2026-06-18 |
|
16personalities
16personalities.com
|
primary | 2 | 0.0% | 2026-06-26 |
|
Kustomerapp
kustomerapp.com
|
primary | 1 | — | 2026-05-26 |
|
Supabase
supabase.com
|
primary | 14 | 0.0% | 2026-06-30 |
|
Thenounproject
thenounproject.com
|
primary | 1 | — | 2026-05-25 |
|
Hover
hover.to
|
primary | 3 | 0.0% | 2026-06-03 |
|
Letyshops
letyshops.com
|
primary | 3 | 0.0% | 2026-05-13 |
|
Paddle
paddle.com
|
primary | 25 | 0.0% | 2026-06-28 |
|
Cal
cal.com
|
primary | 16 | 0.0% | 2026-06-29 |
|
99designs
99designs.com
|
primary | 15 | 0.0% | 2026-05-28 |
|
Profitwell
profitwell.com
|
primary | 14 | 0.0% | 2026-06-29 |
|
Builtwith
builtwith.com
|
primary | 2 | — | 2026-06-21 |
|
Render
render.com
|
primary | 1 | — | 2026-05-02 |
|
Docsend
docsend.com
|
primary | 1 | — | 2026-05-02 |
|
Toogoodtogo
toogoodtogo.com
|
primary | 17 | 0.0% | 2026-06-24 |
|
Waveapps
waveapps.com
|
primary | 3 | 0.0% | 2026-06-22 |
|
Digistore24
digistore24.com
|
primary | 3 | 0.0% | 2026-06-08 |
|
Fathom
fathom.video
|
primary | 79 | 0.0% | 2026-06-30 |
|
Gleap
gleap.io
|
primary | 1 | — | 2026-06-03 |
|
Postmarkapp
postmarkapp.com
|
primary | 83 | 0.0% | 2026-06-22 |
|
Applytojob
applytojob.com
|
primary | 3 | 0.0% | 2026-06-11 |
|
Planespotters
planespotters.net
|
primary | 1 | — | 2026-05-25 |
|
Workos
workos.com
|
primary | 8 | 0.0% | 2026-05-06 |
|
Fillout
fillout.com
|
primary | 4 | 0.0% | 2026-06-26 |
|
Bigmarker
bigmarker.com
|
primary | 5 | 0.0% | 2026-06-16 |
|
Bitpanda
bitpanda.com
|
primary | 2 | — | 2026-06-18 |
|
Balsamiq
balsamiq.com
|
primary | 2 | — | 2026-06-28 |
|
Firstpromoter
firstpromoter.com
|
primary | 55 | 0.0% | 2026-06-29 |
|
Thrivethemes
thrivethemes.com
|
primary | 15 | 0.0% | 2026-06-08 |
|
Uscreen
uscreen.io
|
primary | 2 | — | 2026-06-09 |
|
Goldcast
goldcast.io
|
primary | 17 | 0.0% | 2026-06-25 |
|
K Rauta
k-rauta.ee
|
primary | 7 | 0.0% | 2026-06-15 |
|
Drata
drata.com
|
primary | 1 | — | 2026-06-04 |
|
Arbitersports
arbitersports.com
|
primary | 3 | 0.0% | 2026-06-26 |
|
Mealtrain
mealtrain.com
|
primary | 2 | — | 2025-09-05 |
|
Userjot
userjot.com
|
primary | 1 | — | 2026-06-17 |
|
Bookfunnel
bookfunnel.com
|
primary | 1 | — | 2026-06-12 |
|
Blinq
blinq.me
|
primary | 1 | — | 2026-05-04 |
|
Lattice
lattice.com
|
primary | 5 | 0.0% | 2026-05-21 |
|
Clearcompany
clearcompany.com
|
primary | 1 | — | 2026-05-22 |
|
Pinpointhq
pinpointhq.com
|
primary | 3 | 0.0% | 2026-06-22 |
|
My Hammer
my-hammer.de
|
primary | 1 | — | 2026-06-04 |
|
Santalolla
santalolla.com.br
|
primary | 3 | 100% | 2026-05-04 |
|
Metorik
metorik.com
|
primary | 1 | — | 2026-05-01 |
|
Ia
ia.net
|
primary | 1 | — | 2026-05-02 |
|
Smartlead
smartlead.ai
|
primary | 5 | 0.0% | 2026-06-14 |
|
Buttondown
buttondown.email
|
primary | 2 | — | 2026-06-24 |
|
Fountain
fountain.fm
|
primary | 2 | — | 2026-05-22 |
|
Castr
castr.com
|
primary | 1 | — | 2026-06-26 |
|
Saleshandy
saleshandy.com
|
primary | 8 | 0.0% | 2026-06-29 |
|
Helpdesk
helpdesk.com
|
primary | 6 | 0.0% | 2026-06-26 |
|
Proton
proton.ch
|
primary | 1 | — | 2026-04-08 |
|
Amplemarket
amplemarket.com
|
primary | 1 | — | 2026-05-11 |
|
Spar
spar.co.za
|
primary | 1 | — | 2026-06-22 |
|
Benchapp
benchapp.com
|
primary | 7 | 0.0% | 2026-06-08 |
|
Happyreturns
happyreturns.com
|
primary | 1 | — | 2026-05-07 |
|
Remotive
remotive.com
|
primary | 3 | 0.0% | 2026-06-30 |
|
Qualia
qualia.com
|
primary | 4 | 0.0% | 2026-05-19 |
|
Joinboulevard
joinboulevard.com
|
primary | 1 | — | 2026-06-11 |
|
Langdock
langdock.com
|
primary | 1 | — | 2026-05-21 |
|
Dataforseo
dataforseo.com
|
primary | 3 | 0.0% | 2026-06-23 |
|
Zenmaid
zenmaid.com
|
primary | 3 | 0.0% | 2026-06-20 |
|
Pentest Tools
pentest-tools.com
|
primary | 2 | — | 2026-05-13 |
|
Heartbeat
heartbeat.chat
|
primary | 11 | 0.0% | 2026-06-29 |
|
Spotdraft
spotdraft.com
|
primary | 3 | 0.0% | 2026-06-30 |
|
Thingtesting
thingtesting.com
|
primary | 1 | — | 2026-05-24 |
|
Malcare
malcare.com
|
primary | 5 | 0.0% | 2026-06-18 |
|
Property
property.ca
|
primary | 2 | — | 2026-06-01 |
|
Tideways
tideways.com
|
primary | 1 | — | 2026-05-06 |
|
Heartbingo
heartbingo.co.uk
|
primary | 1 | — | 2026-05-21 |
|
Schedulista
schedulista.com
|
primary | 1 | — | 2026-05-21 |
|
Blvd
blvd.co
|
primary | 11 | 0.0% | 2026-06-10 |
|
Savvycal
savvycal.com
|
primary | 36 | 0.0% | 2026-06-30 |
|
Unleash
unleash.ai
|
primary | 1 | — | 2026-05-16 |
|
Fireship
fireship.dev
|
primary | 1 | — | 2026-06-20 |
|
Memberspot
memberspot.de
|
primary | 4 | 0.0% | 2026-06-25 |
|
Woorise
woorise.com
|
primary | 2 | — | 2026-06-11 |
|
Drawnames
drawnames.com
|
primary | 1 | — | 2026-05-27 |
|
Rewardful
rewardful.com
|
primary | 33 | 0.0% | 2026-06-21 |
|
Primelending
primelending.com
|
primary | 5 | 0.0% | 2026-06-24 |
|
Lacompagnie
lacompagnie.com
|
primary | 1 | — | 2026-05-23 |
|
Torre
torre.ai
|
primary | 1 | — | 2026-06-08 |
|
Mentorcruise
mentorcruise.com
|
primary | 2 | 0.0% | 2026-06-29 |
|
Parnassys
parnassys.net
|
primary | 3 | 0.0% | 2026-06-23 |
|
Tinyemail
tinyemail.com
|
primary | 2 | 0.0% | 2026-06-17 |
|
Fsenrollment
fsenrollment.com
|
primary | 3 | 0.0% | 2026-06-26 |
|
Shopaew
shopaew.com
|
primary | 1 | — | 2026-05-31 |
|
Salesforge
salesforge.ai
|
primary | 1 | — | 2026-05-22 |
|
Kritische Anleger
kritische-anleger.de
|
primary | 1 | — | 2026-04-28 |
|
Clarel
clarel.es
|
primary | 2 | — | 2026-06-01 |
|
Conveyor
conveyor.com
|
primary | 3 | 0.0% | 2026-06-16 |
|
Famewall
famewall.io
|
primary | 1 | — | 2026-06-03 |
|
Woojer
woojer.com
|
primary | 1 | — | 2024-11-26 |
|
Servicespace
servicespace.org
|
primary | 2 | — | 2026-06-11 |
|
Quotapath
quotapath.com
|
primary | 1 | — | 2025-01-02 |
|
Rarebookcellar
rarebookcellar.com
|
primary | 1 | — | 2026-06-08 |
|
Aihero
aihero.dev
|
primary | 4 | 0.0% | 2026-06-08 |
|
Meetglimpse
meetglimpse.com
|
primary | 3 | 0.0% | 2026-06-05 |
|
Stainless
stainless.com
|
primary | 7 | 0.0% | 2026-06-21 |
|
Marchtee
marchtee.com
|
primary | 1 | — | 2026-06-21 |
|
Spadiora
spadiora.com
|
primary | 1 | — | 2026-06-15 |
|
Arrows
arrows.to
|
primary | 14 | 0.0% | 2026-06-22 |
|
Perdoo
perdoo.com
|
primary | 4 | 0.0% | 2026-05-11 |
|
Ewww
ewww.io
|
primary | 2 | — | 2026-05-06 |
|
Supercut
supercut.ai
|
primary | 2 | — | 2026-06-06 |
|
Boardy
boardy.ai
|
primary | 21 | 0.0% | 2026-06-29 |
|
Mailgenius
mailgenius.com
|
primary | 33 | 0.0% | 2026-06-22 |
|
Omegaquant
omegaquant.com
|
primary | 2 | — | 2026-05-09 |
|
1ba9d6e3 2a11 415c 9899 33df15a89d64
1ba9d6e3-2a11-415c-9899-33df15a89d64.mail
|
primary | 1 | — | 2026-05-14 |
|
44065268 2490 4182 9bd1 0a0c4efb889b
44065268-2490-4182-9bd1-0a0c4efb889b.mail
|
primary | 1 | — | 2026-05-14 |
|
Alertmouse
alertmouse.com
|
primary | 232 | 0.0% | 2026-06-30 |
|
Aointerview
aointerview.com
|
primary | 2 | — | 2026-06-30 |
|
Autobitsmotorstore
autobitsmotorstore.com
|
primary | 1 | — | 2026-06-23 |
|
Automatebrowser Use
automatebrowser-use.com
|
primary | 1 | — | 2026-03-17 |
|
Bartopam
bartopam.study
|
primary | 3 | 100% | 2026-06-12 |
|
Bcklnx
bcklnx.com
|
primary | 3 | 33% | 2026-06-04 |
|
Bigcartel
bigcartel.email
|
primary | 2 | — | 2026-06-11 |
|
Bilglass
bilglass.no
|
primary | 1 | — | 2026-06-17 |
|
Blogmarketingacademy
blogmarketingacademy.com
|
primary | 2 | — | 2026-05-28 |
|
Capitolhealth
capitolhealth.com.au
|
primary | 1 | — | 2026-05-26 |
|
Clozd
clozd.com
|
primary | 2 | — | 2026-06-10 |
|
Coached
coached.com
|
primary | 1 | — | 2026-06-24 |
|
Conversionfactory
conversionfactory.co
|
primary | 6 | 0.0% | 2026-06-30 |
|
Dealcheck
dealcheck.io
|
primary | 1 | — | 2026-05-27 |
|
Debounce
debounce.email
|
primary | 1 | — | 2026-06-04 |
|
Dekoori
dekoori.com
|
primary | 7 | 0.0% | 2026-06-11 |
|
Dekoori
dekoori.cz
|
primary | 3 | 0.0% | 2026-06-05 |
|
Dekoori
dekoori.hr
|
primary | 3 | 0.0% | 2026-05-09 |
|
Dekoori
dekoori.pl
|
primary | 2 | — | 2026-06-25 |
|
Dekoori
dekoori.sk
|
primary | 2 | — | 2026-06-23 |
|
Dentalcareyes
dentalcareyes.com
|
primary | 15 | 11% | 2026-05-20 |
|
Destinationkosta
destinationkosta.se
|
primary | 1 | — | 2026-05-05 |
|
Digistrat
digistrat.co.uk
|
primary | 27 | 0.0% | 2026-06-23 |
|
Distillai
distillai.ai
|
primary | 1 | — | 2026-05-20 |
|
Dracolpam
dracolpam.health
|
primary | 1 | — | 2026-05-12 |
|
Easy Review
easy-review.de
|
primary | 2 | — | 2026-06-16 |
|
Emaillistchecker
emaillistchecker.io
|
primary | 1 | — | 2026-06-16 |
|
Evfc1
evfc1.com
|
primary | 1 | — | 2026-06-16 |
|
Exist
exist.pl
|
primary | 1 | — | 2026-05-02 |
|
Fakturoidmail
fakturoidmail.cz
|
primary | 2 | — | 2026-06-30 |
|
Filterbuyventures
filterbuyventures.com
|
primary | 2 | — | 2026-06-28 |
|
Firstbankweb
firstbankweb.com
|
primary | 1 | — | 2026-05-24 |
|
Freeagentcentral
freeagentcentral.com
|
primary | 3 | 0.0% | 2026-06-29 |
|
Getsponsy
getsponsy.com
|
primary | 25 | 0.0% | 2026-06-22 |
|
Getwyzard
getwyzard.com
|
primary | 1 | — | 2026-05-18 |
|
Hackernewsletter
hackernewsletter.com
|
primary | 1 | — | 2026-06-19 |
|
Harborsidelogistics
harborsidelogistics.com
|
primary | 4 | 0.0% | 2026-06-02 |
|
Helloretriever
helloretriever.com
|
primary | 1 | — | 2026-05-26 |
|
Hikeseo
hikeseo.co
|
primary | 16 | 0.0% | 2026-06-29 |
|
Introw
introw.io
|
primary | 1 | — | 2026-06-08 |
|
Jlddspa
jlddspa.com
|
primary | 2 | — | 2026-06-16 |
|
Joon
joon.io
|
primary | 20 | 0.0% | 2026-06-25 |
|
Kilo
kilo.live
|
primary | 5 | 0.0% | 2026-05-07 |
|
Knockknockapp
knockknockapp.ai
|
primary | 1 | — | 2026-05-13 |
|
Leeto
leeto.co
|
primary | 4 | 0.0% | 2026-06-30 |
|
Lemontree
lemontree.fi
|
primary | 6 | 0.0% | 2026-06-25 |
|
Mailflow
mailflow.io
|
primary | 7 | 0.0% | 2026-06-21 |
|
Mailop
mailop.org
|
primary | 1 | — | 2026-06-05 |
|
Mightyaccounting
mightyaccounting.com
|
primary | 1 | — | 2026-05-05 |
|
Morning
morning.co
|
primary | 1 | — | 2026-06-25 |
|
Mymovingestimate
mymovingestimate.co
|
primary | 1 | — | 2026-05-24 |
|
Mysalescoach
mysalescoach.com
|
primary | 3 | 0.0% | 2026-06-15 |
|
Olavshallen
olavshallen.no
|
primary | 1 | — | 2026-06-16 |
|
Owumi
owumi.me
|
primary | 1 | — | 2026-05-27 |
|
Partiful Mail
partiful-mail.com
|
primary | 2 | — | 2026-06-03 |
|
Phd
phd.academy
|
primary | 1 | — | 2026-05-12 |
|
Pinnaclefoods
pinnaclefoods.co
|
primary | 2 | — | 2026-05-29 |
|
Pinpoint
pinpoint.email
|
primary | 2 | — | 2026-06-18 |
|
Privateprep
privateprep.com
|
primary | 2 | — | 2026-05-28 |
|
Quickmail
quickmail.io
|
primary | 49 | 0.0% | 2026-06-30 |
|
Radletters
radletters.com
|
primary | 6 | 0.0% | 2026-05-26 |
|
Recurbate
recurbate.me
|
primary | 1 | — | 2023-12-18 |
|
Red Robot
red-robot.net
|
primary | 9 | 0.0% | 2026-06-16 |
|
Registry
registry.com.au
|
primary | 1 | — | 2026-04-01 |
|
Rscanderlecht
rscanderlecht.be
|
primary | 2 | — | 2026-06-15 |
|
Salepager
salepager.com
|
primary | 1 | — | 2026-05-19 |
|
Schippers
schippers.eu
|
primary | 2 | — | 2026-05-18 |
|
Scoreappmail
scoreappmail.com
|
primary | 2 | — | 2026-06-15 |
|
Scottoldford
scottoldford.com
|
primary | 15 | 0.0% | 2026-06-30 |
|
Simpleinvoices
simpleinvoices.io
|
primary | 5 | 0.0% | 2026-06-10 |
|
Software Hub
software-hub.tech
|
primary | 3 | 0.0% | 2026-05-05 |
|
Soldera
soldera.org
|
primary | 6 | 0.0% | 2026-06-07 |
|
Srhdesign
srhdesign.co.uk
|
primary | 4 | 0.0% | 2026-05-26 |
|
Strategicvaluenews
strategicvaluenews.com
|
primary | 10 | 0.0% | 2026-06-29 |
|
Thelime
thelime.one
|
primary | 1 | — | 2026-06-25 |
|
Thrivecart
thrivecart.email
|
primary | 13 | 0.0% | 2026-06-30 |
|
Tokyo Uni
tokyo-uni.com
|
primary | 5 | 0.0% | 2026-06-11 |
|
Tolt
tolt.com
|
primary | 3 | 0.0% | 2026-06-19 |
|
Valescolar
valescolar.cat
|
primary | 2 | — | 2026-06-16 |
|
Velox
velox.me
|
primary | 1 | — | 2026-05-06 |
|
Vettawell
vettawell.com
|
primary | 2 | — | 2026-06-24 |
|
Wedohype
wedohype.com
|
primary | 2 | — | 2026-06-07 |
|
Wildmail
wildmail.io
|
primary | 5 | 0.0% | 2026-06-15 |
|
Openai
openai.com
|
secondary | 1 | 0.0% | 2026-06-30 |
|
Anthropic
anthropic.com
|
secondary | 9 | 0.0% | 2026-06-05 |
|
Dnsimple
dnsimple.com
|
secondary | 2 | 0.0% | 2026-06-19 |
|
Robinhood
robinhood.com
|
secondary | 1 | 0.0% | 2026-06-18 |
|
Webflow
webflow.com
|
secondary | 4 | 0.0% | 2026-06-22 |
|
Codepen
codepen.io
|
secondary | 6 | 0.0% | 2024-05-17 |
|
Kit
kit.com
|
secondary | 9 | 0.0% | 2026-06-30 |
|
Sanity
sanity.io
|
secondary | 2 | 0.0% | 2026-06-15 |
|
Searchenginejournal
searchenginejournal.com
|
secondary | 2 | 0.0% | 2026-06-09 |
|
Cursor
cursor.com
|
secondary | 2 | 0.0% | 2026-05-27 |
|
Sage
sage.com
|
secondary | 1 | — | 2026-06-15 |
|
Cision
cision.com
|
secondary | 1 | 0.0% | 2026-06-25 |
|
ActiveCampaign
activecampaign.com
|
secondary | 11 | 6.0% | 2026-06-29 |
|
Usepylon
usepylon.com
|
secondary | 4 | 0.0% | 2026-06-27 |
|
Descript
descript.com
|
secondary | 4 | 0.0% | 2026-06-18 |
|
Pirateship
pirateship.com
|
secondary | 1 | 0.0% | 2026-06-11 |
|
Ashbyhq
ashbyhq.com
|
secondary | 11 | 0.0% | 2026-06-30 |
|
Omnisend
omnisend.com
|
secondary | 2 | 0.0% | 2026-06-18 |
|
Litmus
litmus.com
|
secondary | 1 | — | 2026-05-18 |
|
Podia
podia.com
|
secondary | 2 | 0.0% | 2026-06-10 |
|
Stockanalysis
stockanalysis.com
|
secondary | 3 | 0.0% | 2026-05-21 |
|
Hunter
hunter.io
|
secondary | 3 | 14% | 2026-06-25 |
|
Edreams
edreams.com
|
secondary | 2 | — | 2026-05-25 |
|
Churnkey
churnkey.co
|
secondary | 1 | 0.0% | 2026-06-24 |
|
Airalo
airalo.com
|
secondary | 2 | — | 2026-06-08 |
|
Riverside
riverside.fm
|
secondary | 2 | 0.0% | 2026-06-30 |
|
Sparkloop
sparkloop.app
|
secondary | 3 | 0.0% | 2026-06-22 |
|
Smtp
smtp.com
|
secondary | 5 | 0.0% | 2026-06-16 |
|
Hetrixtools
hetrixtools.com
|
secondary | 4 | 0.0% | 2026-06-28 |
|
Senja
senja.io
|
secondary | 3 | 0.0% | 2026-06-29 |
|
Scoreapp
scoreapp.com
|
secondary | 3 | 0.0% | 2026-06-14 |
|
Instantly
instantly.ai
|
secondary | 5 | 0.0% | 2026-06-23 |
|
Tinuiti
tinuiti.com
|
secondary | 2 | 0.0% | 2026-06-08 |
|
Attio
attio.com
|
secondary | 12 | 0.0% | 2026-06-22 |
|
Sarbacane
sarbacane.com
|
secondary | 13 | 0.0% | 2026-06-26 |
|
Starterstory
starterstory.com
|
secondary | 4 | 0.0% | 2026-06-04 |
|
Kodekloud
kodekloud.com
|
secondary | 1 | 0.0% | 2026-05-26 |
|
Worshiptogether
worshiptogether.com
|
secondary | 1 | 0.0% | 2026-06-24 |
|
Selzy
selzy.com
|
secondary | 2 | 0.0% | 2026-06-16 |
|
EmailTooltester
emailtooltester.com
|
secondary | 31 | 0.0% | 2026-06-29 |
|
Jackandjill
jackandjill.ai
|
secondary | 3 | 0.0% | 2026-06-30 |
|
Flexifunnels
flexifunnels.com
|
secondary | 1 | 0.0% | 2026-06-02 |
|
Leaddev
leaddev.com
|
secondary | 7 | 0.0% | 2026-06-15 |
|
Piletilevi
piletilevi.ee
|
secondary | 7 | 0.0% | 2026-06-29 |
|
Featureupvote
featureupvote.com
|
secondary | 1 | 0.0% | 2026-05-10 |
|
Workweek
workweek.com
|
secondary | 5 | 0.0% | 2026-06-23 |
|
Passionfroot
passionfroot.me
|
secondary | 3 | 0.0% | 2026-06-19 |
|
Static
static.app
|
secondary | 1 | — | 2026-05-16 |
|
Whiskerlabs
whiskerlabs.com
|
secondary | 2 | 0.0% | 2026-05-28 |
|
Boldpush
boldpush.com
|
secondary | 1 | 0.0% | 2026-05-04 |
|
Djwhomes
djwhomes.com
|
secondary | 1 | 0.0% | 2026-06-10 |
|
Emaillabs
emaillabs.io
|
secondary | 1 | 0.0% | 2026-06-21 |
|
Etfsa
etfsa.co.za
|
secondary | 1 | 0.0% | 2026-06-17 |
|
Happyhorizon
happyhorizon.com
|
secondary | 5 | 0.0% | 2026-06-09 |
|
Makingsense
makingsense.com
|
secondary | 4 | 0.0% | 2026-06-16 |
|
Philipanders
philipanders.com
|
secondary | 1 | 0.0% | 2026-05-25 |
|
Pmmalliance
pmmalliance.com
|
secondary | 4 | 0.0% | 2026-06-19 |
|
Thespotcowork
thespotcowork.com
|
secondary | 12 | 0.0% | 2026-06-30 |
|
Universalservicescorp
universalservicescorp.com
|
secondary | 1 | 0.0% | 2025-05-22 |
|
Veebikool
veebikool.ee
|
secondary | 2 | 0.0% | 2026-06-04 |
|
Wproads
wproads.com
|
secondary | 1 | — | 2026-05-25 |
|
Youdontneedacrm
youdontneedacrm.com
|
secondary | 1 | 0.0% | 2026-06-19 |
|
Zendepot
zendepot.de
|
secondary | 1 | 0.0% | 2026-05-18 |
IPs we've observed sending via Postmark. "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 |
|---|---|---|---|---|---|
| 50.31.156.116 | sc-ord-mta116.mtasv.net |
22 | 83 | 8 | Check → |
| 50.31.156.115 | sc-ord-mta115.mtasv.net |
20 | 80 | 7 | Check → |
| 50.31.156.126 | sc-ord-mta126.mtasv.net |
23 | 75 | 9 | Check → |
| 50.31.156.120 | sc-ord-mta120.mtasv.net |
18 | 74 | 14 | Check → |
| 50.31.156.113 | sc-ord-mta113.mtasv.net |
15 | 68 | 12 | Check → |
| 50.31.156.118 | sc-ord-mta118.mtasv.net |
22 | 62 | 7 | Check → |
| 50.31.156.117 | sc-ord-mta117.mtasv.net |
21 | 61 | 15 | Check → |
| 50.31.156.121 | sc-ord-mta121.mtasv.net |
21 | 55 | 11 | Check → |
| 50.31.156.114 | sc-ord-mta114.mtasv.net |
19 | 52 | 6 | Check → |
| 50.31.156.124 | sc-ord-mta124.mtasv.net |
16 | 44 | 9 | Check → |
| 104.245.209.210 | mta210a-ord.mtasv.net |
19 | 37 | 5 | Check → |
| 104.245.209.196 | mta196a-ord.mtasv.net |
19 | 35 | 6 | Check → |
| 104.245.209.198 | mta198a-ord.mtasv.net |
16 | 35 | 9 | Check → |
| 104.245.209.212 | mta212a-ord.mtasv.net |
14 | 32 | 8 | Check → |
| 104.245.209.203 | mta203a-ord.mtasv.net |
12 | 31 | 3 | Check → |
| 104.245.209.197 | mta197a-ord.mtasv.net |
18 | 31 | 11 | Check → |
| 104.245.209.215 | mta215a-ord.mtasv.net |
14 | 31 | 3 | Check → |
| 104.245.209.213 | mta213a-ord.mtasv.net |
13 | 29 | 6 | Check → |
| 104.245.209.199 | mta199a-ord.mtasv.net |
14 | 28 | 6 | Check → |
| 104.245.209.202 | mta202a-ord.mtasv.net |
15 | 27 | 5 | Check → |
| 50.31.205.203 | mta203-ab1.mtasv.net |
11 | 27 | 2 | Check → |
| 50.31.205.220 | mta220-ab1.mtasv.net |
16 | 27 | 6 | Check → |
| 104.245.209.235 | mta235b-ord.mtasv.net |
11 | 25 | 5 | Check → |
| 50.31.205.206 | mta206-ab1.mtasv.net |
9 | 23 | 11 | Check → |
| 104.245.209.200 | mta200a-ord.mtasv.net |
9 | 22 | 6 | Check → |