rusender.ru RuSender
interface Marketing Communications RU 47 ✓
sendlayer.com SendLayer
documentation Communications 50 ✓
funraise.io Funraise
documentation Business software Nonprofit and advocacy 45 ✓
flodesk.com http://flodesk.com llms-full.txt
documentation Marketing Communications 58 ✓
mailcamp.nl MailCamp
documentation Marketing Communications NL 45 ✓
emailvalidation.io emailvalidation.io
interface APIs and SDKs Developer tools 51 ✓ ✓
acellesend.com AcelleMail
transactional Developer tools Marketing +1 50 ✓ ✓
supportbee.com SupportBee
interface Business software Productivity 51 ✓
supertokens.com SuperTokens
documentation Cybersecurity Authentication and identity +1 46 ✓ ✓
mailtrap.io Mailtrap
interface Communications Developer tools +1 56 ✓
mailganer.com Mailganer
interface Communications APIs and SDKs RU 56 ✓
resend.com Resend
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arysontechnologies.com llms.txt for arysontechnologies.com
transactional Infrastructure Business software 48 ✓
selzy.com Selzy
transactional Marketing Communications 57 ✓
mailchimp.com Mailchimp - Complete Web Content Analysis
informational FR 71 ✓
agentmail.to AgentMail: Email for AI Agents
interface AI and machine learning AI agents and MCP +2 US 57 ✓ ✓
myemailverifier.com https://myemailverifier.com llms.txt
interface Communications Marketing 47 ✓
wpmailsmtp.com WP Mail SMTP
documentation Marketing Developer tools +1 54 ✓
esputnik.com eSputnik
documentation Ecommerce Marketing +1 IE 60 ✓
emailvendorselection.com Email Vendor Selection: Find the best email service provider
informational Marketing Business software 59 ✓
easywpsmtp.com Easy WP SMTP
documentation Communications Developer tools 47 ✓
nitrosend.com Nitrosend
interface Marketing Communications +1 65 ✓ ✓
saleshandy.com Saleshandy
interface Marketing Business software 59 ✓
mailmend.io Mailmend
documentation Ecommerce Marketing +1 NL 47 ✓
emailanalytics.com EmailAnalytics
transactional Business software Productivity 53 ✓
inboxally.com InboxAlly
documentation Marketing US 51 ✓
runbox.com Runbox
transactional Communications NO 61 ✓
spacemail.com Spacemail
documentation Productivity Communications 60 ✓ ✓
emaillove.com Email Love
interface Marketing Design +1 45 ✓
mailrelay.com Mailrelay
interface Marketing Communications +1 54 ✓
cakemail.com Cakemail
interface Marketing Communications US 46 ✓
mailersend.com llms.txt for MailerSend.com
interface Communications APIs and SDKs 54 ✓
sparkpostmail.com Email API for developers
61 ✓ ✓
shoviv.com Shoviv Software
transactional Data and analytics 48 ✓
warmupinbox.com Warmup Inbox
transactional Marketing Communications 50 ✓
smtp2go.com SMTP2GO
interface Communications US 63 ✓
allegrow.co Allegrow
interface Productivity Business software +1 US 46 ✓
softaken.com www.softaken.com llms.txt
transactional Business software 48 ✓
emercury.net Emercury
documentation Marketing Communications US 46 ✓
cigatisolutions.com llms.txt for cigatisolutions.com
transactional Infrastructure Business software +1 47 ✓
smartlead.ai Smartlead
transactional Marketing Communications US 59 ✓
mailercloud.com MailerCloud
interface Marketing Communications 50 ✓
emaillistverify.com EmailListVerify
interface Communications APIs and SDKs 51 ✓
duocircle.com DuoCircle
documentation Cybersecurity Communications US 55 ✓ ✓
billionverify.com BillionVerify
interface AI and machine learning Business software +1 50 ✓ ✓
xposedornot.com XposedOrNot
interface Cybersecurity APIs and SDKs 51 ✓ ✓
atomicmail.ai Atomic Mail for Agents
interface AI and machine learning AI agents and MCP +1 US 45 ✓ ✓
plusvibe.ai PlusVibe
documentation Marketing Communications US 51 ✓
bird.com Bird
interface Communications APIs and SDKs 65 ✓ ✓
zeliq.com Zeliq
interface Marketing Business software US 49 ✓
smailpro.com SmailPro
interface Communications 61 ✓ ✓
bettercontact.rocks BetterContact - Smart Waterfall Email & Phone Finder
documentation Business software Marketing DE 47 ✓
latestdatabase.com Latest Mailing Database: Buy phone number List
transactional Data and analytics Marketing US 52 ✓
atomicmail.io Atomic Mail
documentation Productivity Cybersecurity 51 ✓
mailforge.ai Mailforge
documentation Communications Marketing 48 ✓
mailinator.com Mailinator: Millions of Inboxes for Email Testing\.
interface Developer tools APIs and SDKs +1 61 ✓
topol.io Topol
transactional Marketing Developer tools 47 ✓
parsio.io Parsio
interface AI and machine learning Data and analytics 48 ✓
sendloop.com Sendloop
documentation Marketing 47 ✓
noptin.com Noptin: The Best WordPress Newsletter Plugin
documentation Marketing Communications 47 ✓
rupost.ru RuPost — Corporate Email Server
documentation Communications Business software RU 46 ✓
instantly.ai Instantly
interface Marketing APIs and SDKs 61 ✓
salesflare.com Salesflare
documentation Marketing Business software 59 ✓
postmarkapp.com Postmark
interface Communications APIs and SDKs GB 62 ✓
web2go.co.za Website
informational Marketing ZA 48 ✓
mailivery.io Mailivery
interface Marketing Communications US 46 ✓
ackuna.com Ackuna
interface AI and machine learning AI agents and MCP +1 45 ✓
mailsac.com Mailsac
interface Developer tools APIs and SDKs 50 ✓
maestra.io Maestra
documentation Ecommerce Marketing US 54 ✓
digitalfootprintcheck.com Digital Footprint Check
informational Cybersecurity 47 ✓
lead411.com Lead411: Unlimited B2B Lead Generation \& Sales Intelligence Platform \| Lead411
transactional Marketing Business software 52 ✓
cleverreach.com CleverReach – Intuitives E-Mail-Marketing-Tool
interface Marketing Communications IE 56 ✓
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transactional Marketing Communications 51 ✓ ✓
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transactional Cybersecurity Data and analytics 47 ✓
parseur.com Parseur
interface AI and machine learning APIs and SDKs +1 52 ✓
wpemailmanager.com WP Email Manager
documentation 45 ✓
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transactional Infrastructure MY 46 ✓
lashback.com LashBack
documentation Marketing Communications US 50 ✓
names.co.uk llms.txt file for https://www.names.co.uk/
transactional Infrastructure GB 62 ✓ ✓
unione.io UniOne
interface Marketing Communications +1 54 ✓ ✓
poptin.com llms-full.txt for Poptin.com
documentation Marketing Ecommerce 58 ✓
streak.com Streak CRM
interface Marketing Productivity +1 55 ✓
smartreach.io SmartReach
documentation Marketing Communications +1 56 ✓ ✓
envialosimple.com EnvíaloSimple
interface Marketing Communications 49 ✓
amplemarket.com Amplemarket: The All-in-One AI Sales Platform
informational Marketing AI and machine learning +1 US 53 ✓
mysignature.io MySignature.io
transactional Business software Productivity 46 ✓
justrelate.com llms.txt — JustRelate Group
documentation Marketing Business software DE 47 ✓
envoke.com Envoke
documentation Communications Business software US 56 ✓
mailtester.ninja Mail Tester Ninja
informational Marketing GB 52 ✓
millionverifier.com MillionVerifier
interface Business software Marketing 54 ✓ ✓
mail.td Mail.td API — LLM Reference
interface Communications APIs and SDKs TD 45 ✓
kiteworks.com Kiteworks Private Data Network: Regulatory Compliance Software Platform
documentation Cybersecurity US 60 ✓
easymailing.com Easymailing
documentation Marketing Communications BE 47 ✓
omnisend.com llms.txt for Omnisend.com
documentation Marketing 54 ✓
letsignit.com Letsignit
interface Marketing Business software US 59 ✓
blueshift.com Blueshift
documentation Marketing US 47 ✓
sendfox.com SendFox
interface Marketing Communications 60 ✓
bluemailmedia.com Blue Mail Media
documentation Marketing Healthcare 51 ✓ ✓
anyrecover.com [Official] AnyRecover - Data Recovery Software Free Download
transactional Consumer electronics US 51 ✓
bluemail.me BlueMail
transactional Productivity Communications 53 ✓
migma.ai Migma AI
interface AI and machine learning Marketing +1 46 ✓
hunter.io Hunter
interface AI agents and MCP Business software +1 62 ✓ ✓
mailbakery.com MailBakery: HTML Emails Built and Tested For Every Inbox
transactional Marketing Design 52 ✓ ✓
woodpecker.co Woodpecker
interface Marketing Business software +1 54 ✓
reallygoodemails.com Really Good Emails
documentation Marketing Design 55 ✓
loops.so Loops
interface Communications APIs and SDKs +1 51 ✓
maildealer.jp メールディーラー
documentation Business software Productivity JP 51 ✓
codecrew.us CodeCrew Inc
documentation Marketing US 47 ✓
flowcrypt.com FlowCrypt
transactional Cybersecurity DE 50 ✓
brevo.com Brevo API Documentation
interface Developer tools Communications +1 68 ✓ ✓
contactout.com ContactOut
interface Data and analytics Marketing +1 62 ✓
hornetsecurity.com Hornetsecurity by Proofpoint: Hornetsecurity is the european champion for global cloud security. Driven by innovation and cybersecurity excellence, Hornetsecurity is building a safer digital future an
documentation Cybersecurity DE 58 ✓
colligo.com Colligo: SharePoint Solutions | Outlook & Office 365 Integration
documentation Business software Productivity US 48 ✓
digitalaka.com Digital Aka: SMTP Server \| Bulk Emails \| Bulk SMS
transactional Marketing Communications US 46 ✓
stripo.email Stripo — AI Agent Navigation Guide
documentation AI and machine learning Marketing +1 CA 60 ✓
unspam.email Unspam
interface Marketing US 47 ✓
getanewsletter.com Get a Newsletter
documentation Marketing US 46 ✓
captainverify.com CaptainVerify
interface Business software FR 48 ✓
kickbox.com Kickbox
documentation Marketing Communications 48 ✓
airship.co.uk Airship
documentation Marketing Business software GB 45 ✓
kvitly.com kvitly
documentation Finance and payments Ecommerce +2 US 48 ✓
get-alfred.ai alfred_
documentation AI and machine learning Productivity 51 ✓ ✓
evaboot.com Evaboot: LinkedIn Sales Navigator Scraper
interface Marketing Business software 55 ✓ ✓
convertcart.com ConvertCart
informational Ecommerce Marketing 54 ✓
noota.io Noota
documentation AI and machine learning Productivity US 46 ✓
salesforge.ai Salesforge
documentation Marketing Communications 52 ✓
anymailfinder.com Anymail Finder
interface Business software Marketing +1 51 ✓
sales.co Sales.co
transactional Marketing US 47 ✓
outlooktransfer.com Outlook Transfer: Making email migration an easy ride \- time after time\!
transactional Productivity US 47 ✓
sendtric.com Sendtric
interface Marketing Communications 58 ✓
emaillistvalidation.com Email List Validation
interface Marketing APIs and SDKs +1 47 ✓
againstdata.com AgainstData
documentation AI and machine learning US 50 ✓ ✓
retailrocket.ru Retail Rocket Group
documentation Ecommerce Marketing RU 56 ✓
topsec.com Topsec Cloud Solutions
documentation Cybersecurity DE 60 ✓
icegram.com Icegram
documentation Marketing 50 ✓
groupboss.io Groupboss: #1 CRM, Google Sheet, ESP Connector for Facebook Groups
transactional Marketing 47 ✓
sprout24.com Sprout24 - Build Right Email Marketing Stack with Confidence
documentation Marketing 47 ✓
react.email React Email
documentation Developer tools US 50 ✓ ✓
yespo.io Yespo
documentation Data and analytics Ecommerce +1 IE 50 ✓
avada.io Avada
transactional Ecommerce Marketing 61 ✓ ✓
crazymailing.com Disposable Email
documentation Communications 47 ✓
harmon.ie harmon.ie
documentation Business software Productivity IE 45 ✓
zenler.com Zenler
documentation Education Marketing +2 52 ✓
writemail.ai WriteMail AI
transactional AI and machine learning Productivity 48 ✓ ✓
helloretail.com Hello Retail - Ecommerce Personalization Platform
documentation Ecommerce Marketing US 64 ✓ ✓
sendrealm.com Sendrealm — Pay for messages, not contacts
interface AI and machine learning Communications +1 47 ✓
coolutils.com CoolUtils File Converters
transactional Developer tools 64 ✓ ✓
zerobounce.net https://www.zerobounce.net/ llms.txt
transactional Marketing 55 ✓ ✓
usercheck.com UserCheck
interface Cybersecurity APIs and SDKs +1 49 ✓
bluetie.com BlueTie: Email Hosting \& Cloud Based Services
transactional Cybersecurity Communications US 57 ✓
easydmarc.com EasyDMARC
documentation Cybersecurity 60 ✓
getsitecontrol.com Getsitecontrol: Popups and Email Marketing
documentation Marketing 61 ✓
myuser.com Myuser
transactional Marketing AI and machine learning +1 51 ✓ ✓
unipile.com Unipile
interface APIs and SDKs Communications FR 50 ✓
hostinglotus.com Hostinglotus — ผู้ให้บริการ Hosting, VPS, Email, Domain และ Digital Marketing ครบวงจร
transactional Infrastructure 49 ✓
moosylvania.com Moosylvania
documentation Marketing CA 50 ✓ ✓
web-hotel.ro Web Hotel
documentation Infrastructure Travel +1 RO 49 ✓
ahasend.com AhaSend
interface Communications APIs and SDKs 47 ✓
sysinfotools.com llms.txt for www.sysinfotools.com
transactional Business software 51 ✓
westfax.com WestFax — HIPAA-compliant cloud fax
interface Communications US 47 ✓
nureply.com NuReply
interface Marketing AI and machine learning 53 ✓ ✓
systron.net https://systron.net llms.txt
transactional Infrastructure US 54 ✓ ✓
hostingshield.com Canada Web Hosting
documentation Infrastructure CA 48 ✓
segmetrics.io SegMetrics
documentation Marketing Data and analytics 51 ✓
dyspatch.io Dyspatch
documentation Marketing US 46 ✓
libyanspider.com Libyan Spider
transactional Cybersecurity Infrastructure +1 59 ✓
designmodo.com Designmodo: Email and Website Builder
interface Design Marketing US 63 ✓
akomodix.swiss Akomodix
documentation Productivity Communications CH 55 ✓
viralsweep.com ViralSweep
documentation Marketing US 53 ✓
veebimajutus.ee Veebimajutus.ee
transactional Infrastructure EE 50 ✓
cloudient.net Cloudient
documentation Infrastructure FR 47 ✓
iteratehq.com Iterate
interface Marketing Business software 60 ✓
asiavirtualsolutions.com Asia Virtual Solutions
transactional Infrastructure Marketing 51 ✓ ✓
hypercloudhost.com HyperCloudHost
transactional Infrastructure 45 ✓
primary.net Primary
documentation AI and machine learning AI agents and MCP +1 US 55 ✓ ✓
goreminders.com GoReminders
transactional Productivity Business software +1 50 ✓
ottertext.com OtterText
documentation Marketing Communications US 49 ✓
quackr.io Quackr
transactional Cybersecurity Telecom +1 54 ✓ ✓
ttget.com TTGet
documentation Media 46 ✓
mailbutler.io Mailbutler
documentation Productivity DE 53 ✓
listkit.io https://www.listkit.io/ llms.txt
documentation Marketing Business software US 46 ✓
adviksoft.com Advik Software
transactional Productivity US 51 ✓ ✓
mailsoftly.com Mailsoftly
interface Marketing Communications 50 ✓ ✓
customerthermometer.com Customer Thermometer: Customer Thermometer
documentation Marketing Business software 58 ✓
ifaxapp.com iFax: HIPAA-Compliant Fax | Send and Receive Faxes Online
transactional Communications Healthcare US 57 ✓
webador.ie Webador
informational Design Business software IE 47 ✓
cloaked.com Cloaked
transactional Cybersecurity Authentication and identity 59 ✓
salesql.com SalesQL
interface Marketing APIs and SDKs +1 47 ✓
newzapp.co.uk NewZapp Communications
documentation Education Communications GB 48 ✓
sudohost.co.za SudoHost: Hosting
transactional Infrastructure ZA 45 ✓
web3forms.com Web3Forms
interface APIs and SDKs Developer tools 54 ✓
sequenzy.com Sequenzy
interface AI and machine learning Marketing +2 US 51 ✓ ✓
benchmarkemail.com Benchmark Email
transactional Marketing US 63 ✓
busyseed.com BusySeed
documentation Marketing US 51 ✓ ✓
cymbal.co Cymbal
transactional Marketing Events and conferences PL 48 ✓
paubox.com Paubox
interface Healthcare Communications +1 US 59 ✓
helloly.com helloly
transactional Infrastructure AT 59 ✓
mailflowmonitoring.com MailFlow Monitoring
documentation DevOps and observability 51 ✓ ✓
silolobby.com SiloLobby
transactional Infrastructure DE 50 ✓ ✓
zembula.com Zembula
documentation Marketing Business software US 46 ✓
aerosend.io Aerosend
transactional Marketing Communications 50 ✓ ✓
rss.app RSS.app
documentation No-code and automation Developer tools 59 ✓ ✓
folderly.com Folderly
informational Marketing Business software 51 ✓
itforless.com www.itforless.com
documentation Business software US 51 ✓
getprospect.com GetProspect
interface Marketing Data and analytics 56 ✓ ✓
logix.in Logix InfoSecurity Pvt. Ltd.: Logix InfoSecurity Pvt. Ltd. is a Mumbai-based cybersecurity and managed IT services provider, an Authorized Zoho Workplace Partner and Fortinet/Check Point solutions par
documentation Cybersecurity IN 56 ✓
neo.space Business Email Service | Create Business Email Account - Neo
transactional Communications Business software US 57 ✓
getvero.com Vero
interface Marketing 58 ✓
pally.com Pally
documentation AI and machine learning Productivity 47 ✓
phishprotection.com Phish Protection
transactional Cybersecurity US 51 ✓ ✓
mopinion.com Mopinion: Customer Feedback Intelligence For Digital Enterprises
documentation Marketing Business software IE 62 ✓
peoplesmart.com PeopleSmart
informational Marketing Data and analytics 58 ✓
ipcow.com IP Cow
interface Cybersecurity 55 ✓
esi-web.be ESI WEB – Création de sites web & applications
informational Marketing Ecommerce BE 50 ✓
3rhost.pt 3rHost Base de conhecimento
documentation Infrastructure Documentation and reference PT 53 ✓ ✓
growleady.io Growleady
documentation Marketing Business software US 50 ✓ ✓
mxroute.com MXroute
informational Communications US 52 ✓
worldposta.com WorldPosta
transactional Infrastructure Communications 51 ✓ ✓
pipelinecrm.com Pipeline CRM
transactional Marketing Business software US 51 ✓
revealer.us Revealer.US
interface Cybersecurity US 47 ✓
emailable.com Emailable
documentation 58 ✓
liberationtek.com Liberation Technology Services
documentation Marketing Infrastructure 49 ✓
marketing360.com Marketing 360
documentation Marketing Business software 57 ✓
footprintiq.app FootprintIQ — Ethical Digital Footprint Intelligence
informational Cybersecurity 51 ✓ ✓
wallaroomedia.com Wallaroo Media
documentation Marketing Ecommerce US 50 ✓
questera.ai Questera — Agentic Customer Engagement Platform
documentation Marketing AI and machine learning 46 ✓
batch.com Batch
documentation Marketing AI and machine learning US 62 ✓
lastdatabase.com LastDatabase
interface Data and analytics Marketing +1 US 47 ✓
mindbox.ru Mindbox
documentation Data and analytics Ecommerce +1 RU 59 ✓
sendinblue.com Brevo
documentation Marketing Communications 66 ✓
retarus.com Retarus - Enterprise Cloud Messaging & Secure Business Integration
interface Communications DE 58 ✓
bizmac.com BizMaC
transactional Marketing Infrastructure 46 ✓
theunitysoft.com TheUnitySoft: Premium Software and Support
transactional Ecommerce BE 49 ✓
poppydesignstudio.com Poppy Design Studio: Poppy Design Studio
documentation Design GB 46 ✓
guardiandigital.com Guardian Digital
documentation Cybersecurity 51 ✓
textmagic.com Textmagic
interface Communications APIs and SDKs 59 ✓
tempmail.lol TempMail
interface Communications APIs and SDKs 50 ✓
covideo.com http://www.covideo.com llms-full.txt
documentation Business software Marketing US 47 ✓
nbit.it nBit Soluzioni Binarie
documentation Infrastructure Business software IT 53 ✓ ✓
gohighlevel.com GoHighLevel (HighLevel)
transactional Marketing Productivity +1 63 ✓
oditech.com ODITech (ODI Technologies, Inc.)
transactional Infrastructure US 47 ✓
boolebox.com Boolebox
documentation Cybersecurity IT 46 ✓
kindredtales.net Kindred Tales
transactional Personal sites and blogs 45 ✓ ✓
cerkl.com Cerkl Broadcast (Cerkl.com)
documentation Business software Communications US 46 ✓
mailmodo.com Mailmodo
documentation Data and analytics Marketing +1 US 60 ✓ ✓
alinto.com Alinto
documentation Communications FR 52 ✓
emclient.com https://www.emclient.com llms.txt
documentation Productivity Communications 55 ✓ ✓
beefree.io beefree.io llms.txt
documentation Ecommerce Education +2 49 ✓
outpost.pub Outpost
documentation Media Business software US 53 ✓ ✓
hypermatic.com Hypermatic
interface Design 61 ✓ ✓