MailFlows helps freelancers, marketers, and small agencies find real business contacts and reach them by email — without hiring a sales team or renting a mailing server.
✔ Find verified contacts
✔ Verify emails before sending
✔ Send through Gmail
✔ Track opens & replies
Everything you need to run real outreach
🔍
Find verified contacts
Search businesses by industry and location — even ones with no website.
✅
Verify emails
Reduce bounce rates by checking every address before you send.
📧
Gmail integration
Connect your own Gmail account securely — no separate mail server needed.
📊
Reply tracking
Know exactly who opened and replied, all in one inbox.
How it works
1
Search businesses
Enter an industry and location to find real contacts.
2
Verify emails
Every address is checked before it reaches your list.
3
Send outreach
Send personalized emails straight from your own Gmail.
🔒 Uses official Gmail OAuth
📬 Emails stay in your Gmail account
🚫 No mailing server required
🔐 Secure OAuth authentication
MailFlows
Cold email, done right
Your next client is one email away.
MailFlows helps freelancers, marketers, and small agencies find real business contacts and reach them by email — without hiring a sales team or renting a mailing server.
Search by industry and location to find real people to contact — even for businesses with no website
Verify every email before you send, so your outreach doesn't bounce
Sent through your own Gmail, not a mass mailer — every email looks personal, because it is
Opens and replies, tracked in one inbox, so you know exactly who's interested
Start free — no card needed
Find them. Email them. Know when they reply.
Search for verified contacts, send campaigns straight from your own Gmail account, and track opens and replies — all in one dashboard built for outreach, not generic mass email.
Replies arrive automatically as soon as they land in your inbox. Only shows replies to emails sent through MailFlows via your connected Gmail. Kept for 90 days, then auto-deleted.
Loading replies...
💬
Select a reply to view and respond Not seeing what you expect? It's worth checking your inbox directly too.
⚡ Quick Send — Single Email
Send one email instantly without creating a campaign. Perfect for testing SMTP or reaching out to a single lead.
📋 Tips
✓ Add SMTP first in SMTP Settings
✓ Test your SMTP with Quick Send
✓ For bulk sending, use Campaigns
✓ Each send counts toward daily limit
✓ Check spam folder if not received
🖥️ Private SMTP Server
Run your own SMTP server for maximum deliverability, no daily limits, and full control over your sending infrastructure.
✓ Unlimited emails/day
✓ Full deliverability control
✓ Custom domain sending
✓ IP warming included
🚧 COMING SOON
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Connect Your Gmail
Click once to connect your Gmail account securely. No passwords stored — uses Google's official OAuth2. Your emails send through your own Gmail account.
📡 Connected Gmail Accounts
📭
No Gmail accounts connected yet. Click "Connect Gmail Account" above.
🔄 Auto Rotation
When one Gmail hits its daily limit (500 emails), the system automatically switches to the next connected account — keeping campaigns running 24/7.
✅ How Gmail Connect Works
1️⃣
Click Connect
You click the button once and Google login opens
2️⃣
Allow MailFlows
Grant permission to send emails on your behalf
3️⃣
Done Forever
MailFlows sends emails through your Gmail automatically
🔒
100% Secure
We never see or store your Gmail password. Uses Google OAuth2 — same as "Sign in with Google"
🖥️ Private SMTP Server
Run your own SMTP server for maximum deliverability, no daily limits, and full control over your sending infrastructure.
✓ Unlimited emails/day✓ Full deliverability control✓ Custom domain sending✓ IP warming included