Official Google & Microsoft inboxes, delivered in <12h, unlimited replacements
AI Email Deliverability+1
Premium Inboxes delivers official Google Workspace & Microsoft 365 accounts for cold email. Human-verified DNS, direct sequencer integration, <12h delivery, unlimited replacements.
Premium mixed-pool mailboxes, 5-min setup, max cold email deliverability
AI Email Deliverability+1
ColdSire provides premium Google & Microsoft mailboxes mixed with real businesses (cold email capped at 15%), full domain isolation, pre-configured SPF/DKIM/DMARC, one-click Instantly & SmartLead integration, 5-min setup.
Deploy Google & Microsoft cold email infrastructure in 4 days with full DNS management
AI Email Deliverability+1
ScaledMail provides Google and Microsoft cold email accounts, full DNS configuration, and inbox management. Deploy in 4 days, supports all major sequencing tools, built for high-volume outreach teams.
Subscribe early to an upcoming email platform and get launch updates
AI Email Deliverability+1
Inboxing.io is an upcoming email-related platform currently in pre-launch. Features and positioning are not yet public; contact form available for inquiries.
Fast API & SMTP integration, high deliverability for transactional emails
AI Email Deliverability+1
MailerSend offers transactional email API and SMTP with multi-language SDKs, 99.5% uptime, 500 free emails/month—built for SaaS and dev teams.
Boost email deliverability and land in the inbox, not spam
AI Email Deliverability+1
EmailGuard offers domain masking, inbox placement tests, DMARC monitoring, and blacklist tracking to improve email deliverability and protect sender reputation. Start free.
Verify Catch-All & enterprise emails with precision, unlock 30% more valid contacts
AI Email Deliverability+1
Allegrow is built for data providers & GTM teams to verify Catch-All servers & Secure Gateways with precision. Eliminate 'Unknown' results, get definitive Valid/Invalid statuses, unlock more enterprise contacts.
Boost sender reputation and keep your emails in the inbox, not spam
AI Email Deliverability+1
Warm Up Your Email uses a human team to open, reply, and remove spam flags, improving sender reputation to keep cold emails out of spam. Includes spam pattern analytics and daily engagement settings.
Double your open rates in 1-2 weeks—land in inbox, not spam
AI Email Deliverability+1
InboxAlly trains Gmail, Yahoo, and other providers to prioritize your emails. Real-time tracking, email warmup, spam testing—boost open rates to 70%+ in 1-2 weeks.
AI-powered email warm-up to bypass spam and land in the inbox
AI Email Deliverability+1
Warmy uses AI-driven email warm-up to build domain reputation and improve deliverability, helping your outreach avoid spam folders and boost open rates. Supports Gmail, Outlook, and more. 25-second setup.
Turn anonymous website visitors into named company leads instantly
AI Visitor Identification+1
Leadinfo identifies B2B website visitors and decision-maker contacts, integrates 70+ CRM tools, supports email & LinkedIn outreach. Covers 195 countries, 220M companies, from €49/month based on identified volume, GDPR-compliant.
Sync CRM and marketing tools bidirectionally, score leads automatically, save hours weekly
AI Email Outreach+1
Outfunnel connects Pipedrive, Salesforce, Mailchimp, and more. Bidirectional contact sync, email engagement tracking, website visitor behavior, and automatic lead scoring for sales and marketing teams.
CustomersAI delivers identity resolution and email deliverability for Shopify brands using Klaviyo. Average 25% email revenue lift, 50% ESP cost cut, 4x ROI guaranteed. 10-minute setup, no code.
Turn anonymous website visitors into named leads with personal-level ID in 173+ countries
AI Visitor Identification+1
Happierleads uses AI to identify anonymous website visitors at the personal level in 173+ countries. Integrates lead qualification, CRM push, and email automation. 30-day free trial. #1 for data quality on G2.
All-in-one CRM, email marketing, and sales automation for small teams
CRMs+1
Nimble combines contact management, email marketing, pipeline automation, and AI prospecting in one platform—no extra fees, built for small teams.
Scrapybird extracts verified B2B work emails from Twitter followers, likers, and retweeters. Fully automated cloud scraping, no account or proxies needed, first 10 emails free, <2% bounce rate.
Automate cold emails and follow-ups to keep your sales pipeline running 24/7
AI Automation+1
Replyify is an email automation tool built for sales teams. Works with Gmail, Office365, and any email provider. Sends personalized follow-ups automatically, boosts open rates, and helps you close more deals faster.
Automate email and LinkedIn outreach to build prospect lists fast
AI Automation+1
Emelia combines email and LinkedIn automation, Sales Navigator scraping, email finder, verification, and warm-up to help you reach B2B prospects and boost replies.
Auto-capture buyer signals and turn emails, meetings into revenue data
AI Sales Assistant+1
Nektar.ai uses AI to auto-capture buyer engagement from emails and meetings, syncs to Salesforce, identifies buying groups, predicts deal stages, tracks decision-maker activity—boosting forecast accuracy by 90%.
Automated warmup and spam testing to land in the inbox
AI Email Deliverability+1
MailReach focuses on email deliverability with automated warmup, spam testing, and intelligent verification. Supports Gmail, Outlook, and SMTP providers. Customers see 137% average reply rate growth.
Warm up emails, avoid spam, boost open rates and replies
AI Email Deliverability+1
lemwarm automates email warm-up across 20,000+ domains, checks technical setup, and monitors deliverability to keep your emails out of spam. Essential Plan starts at $24/mo.
1,000+ templates, smart segments, and 99% delivery for precise outreach
AI Email Outreach+1
Pinpointe offers 1,000+ responsive email templates, automated drip campaigns, smart segmentation, and real-time site analytics for mid-sized businesses, achieving 96%–99% inbox delivery.
Identify anonymous visitors, boost email revenue and customer LTV
AI Visitor Identification+1
Retention.com uses leading identity resolution to turn anonymous site visitors into marketable contacts, boosting abandonment recovery, repurchase rates, and retention. Trusted by 1,500+ brands.
Identify anonymous visitors, grow email lists, boost revenue with AI personas
AI Email Outreach+1
Opensend identifies anonymous website visitors, grows email lists, and boosts revenue. 73% US shopper match rate, AI persona targeting, cross-device re-engagement, integrates with Klaviyo and Shopify, 5-minute setup.
Track opens, write with AI, collaborate—make your inbox smarter
AI Email Outreach+1
Mailbutler adds email tracking, AI writing assistant, team collaboration, and signature marketing to Apple Mail, Gmail, and Outlook. 14-day free trial, ISO 27001 certified.
Boost email deliverability with AI peer-to-peer warm-up, land in inbox not spam
AI Email Deliverability+1
Mailivery warms unlimited mailboxes using AI and real peer-to-peer accounts, improves sender reputation, monitors 70+ blacklists, verifies contacts, and ensures outreach emails land in the primary inbox.
Communicate with customers via SMS, voice, email, and API
AI Automation+1
ClickSend offers SMS, MMS, voice, email, and direct mail services with web app and API integration. Multi-channel communication with global direct routes and 99.95% uptime SLA.
Pre-warmed inboxes, 24/7 support, from $2.80/mailbox/month
AI Email Deliverability+1
Cheap Inboxes delivers pre-warmed Google Workspace mailboxes with OAuth automation, isolated workspaces, and 24/7 human support. Same-day setup, high deliverability, from $2.80/mailbox.
no2bounce offers fast, accurate email verification with catch-all and risky email detection. Boost deliverability, stay GDPR-compliant. Verify 100 emails free.
Dedicated email server infrastructure for full control over cold email deliverability
AI Email Deliverability+1
Mailreef provides dedicated mail servers and unlimited mailboxes. One-click domain and mailbox creation, auto-configured SPF/DKIM/DMARC, pre-warmed infrastructure for day-one campaigns. Integrates with Smartlead and Instantly. Built for teams sending 20,000+ emails/month.
Land 90% of emails in the inbox within 90 days, escape spam
On-demand human-researched B2B contacts with verified emails
AI Data Insights+1
Coldlytics combines AI and human research to build custom B2B contact lists. All emails verified, 24-hour delivery, bounce-back guarantee. Free plan: 25 contacts/month.
Auto-sync LinkedIn, set reminders, never lose touch again
AI CRM+4
Dex is a personal CRM that auto-syncs LinkedIn and email contacts, tracks job changes, and sets follow-up reminders. 30,000+ professionals use Dex to maintain relationships without complex sales tools.
Search your network with AI for sales, hiring, and fundraising
Engagement+1
Happenstance uses AI to search Gmail, LinkedIn, and Twitter networks with natural language queries, team sharing, Slack bot, and API integration for sales, hiring, and fundraising.