Send cold email campaigns, automate follow-ups, mail merge & track replies with Gmail & SMTP. Free plan, no credit card required.
Users
33
+14 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#127K
#106K among extensions
Version
v0.1.139
updated 29 Aug 2026
Users
monthly, 2 months
Latest, 18 Oct 2026:33 usersMove the mouse over the chart for any month
Ratings count
monthly, 2 months
Latest, 18 Oct 2026:2 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About OutSends – Cold Email & Mail Merge for Gmail
OutSends is the #1 Cold Email, Mail Merge, and Outbound Sales Automation extension built directly around Gmail and custom SMTP. Send personalized email campaigns, automate multi-step follow-up
sequences that stop on reply, verify prospect email lists, rotate multiple sender accounts, and track opens, clicks, and responses in real time.
Transform your Gmail into a high-converting outbound machine. Whether you are a startup founder, B2B sales team, growth marketer, lead generation agency, or freelancer, OutSends gives you
enterprise-grade deliverability and automated sequences without expensive monthly subscriptions.
⭐ 100% Free Forever Plan included: 150 emails/month, 200 contacts, and basic analytics. No credit card required.
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🔥 TOP FEATURES & WORKFLOWS
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📧 1. GMAIL MAIL MERGE & PERSONALIZED CAMPAIGNS
• Send personalized emails directly from your Gmail account via official Google OAuth.
• Personalize every message with dynamic custom fields & variables: {{First_Name}}, {{Company}}, {{Website}}, {{Title}}, or custom tags.
• Send pacing & timezone scheduling: spread your sending throughout the day to mimic natural human behavior and protect domain reputation.
• Import contacts from CSV, Google Sheets, or TXT files in seconds.
⚡ 2. AUTOMATED MULTI-STEP FOLLOW-UP SEQUENCES
• Build intelligent multi-touch drip sequences with custom time delays and condition branches.
• Auto-Stop on Reply: OutSends continuously monitors responses. The second a prospect replies or unsubscribes, all future follow-up steps for that lead stop automatically.
• Trigger smart conditions based on email opens, link clicks, or no reply after X days.
• A/B test subject lines and email body variants to maximize open and conversion rates.
📬 3. UNIFIED INBOX & REPLY MANAGEMENT
• Track, categorize, and answer prospect replies across all your connected Gmail and SMTP accounts in one centralized inbox.
• Attribute every incoming reply to its campaign and sequence step.
• Tag engaged leads, maintain conversation history, and choose your reply sender account on the fly.
🛡️ 4. BUILT-IN EMAIL VERIFIER & LIST CLEANER
• Verify prospect emails before you send (Valid · Risky · Invalid) to keep bounce rates strictly below 2%.
• Automatic duplicate detection, syntax validation, and MX record checks.
• Protect your sender score and prevent Google or provider email suspensions.
🔄 5. MULTI-INBOX SENDER ROTATION (GMAIL, SMTP & API)
• Connect multiple Google OAuth inboxes and custom SMTP providers (SendGrid, Mailgun, Brevo, Postmark, Amazon SES, or private SMTP relays).
• Automatic sender rotation: distribute your daily outreach volume across multiple sender accounts to scale safely without hitting Google limits.
• Custom tracking domain (CNAME) support for 100% white-label open and click tracking.
📊 6. REAL-TIME TRACKING & ADVANCED ANALYTICS
• Live real-time tracking for email opens, link clicks, reply rates, bounces, and unsubscribes.
• Sequence-step performance breakdown: see exactly which follow-up email generates the most meetings and replies.
7. AI EMAIL WRITER
• Built-in AI cold email generator: create catchy subject lines, personalized icebreakers, and full email copies in seconds.
• Save, organize, and share pre-built reusable email templates with your entire team.
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🎯 WHO IS OUTSENDS FOR?
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• Founders & Startups: Acquire your first 100 customers with automated cold outreach.
• B2B Sales Teams & SDRs: Book more qualified sales calls and scale outbound pipeline.
• Lead Gen & Marketing Agencies: Manage multiple client sender accounts, campaigns, and reports from one unified workspace.
• Freelancers & Consultants: Pitch new clients and follow up automatically without manual work.
• Recruiters & Real Estate: Reach top talent and prospects with high-touch personalized emails.
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🏆 THE #1 ALTERNATIVE TO:
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• GMass, Mailmeteor, Yet Another Mail Merge (YAMM), Mixmax
• Instantly.ai, Smartlead.ai, Lemlist, Woodpecker, Reply.io
• Mailchimp, HubSpot, Brevo (for 1-to-1 cold outreach deliverability)
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🔒 PRIVACY, SECURITY & GOOGLE COMPLIANCE
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• Official Google OAuth: OutSends securely requests standard Gmail send permissions without ever accessing or storing your Google account password.
• GDPR Compliant: 100% European servers with bank-grade encryption (TLS 1.3, AES-256).
• Zero Inbox Scraping: We respect your confidentiality. Your personal emails remain private and are never sold, analyzed, or shared with third parties.
• One-click compliant unsubscribe links and automated opt-out list management.
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💳 TRANSPARENT PLANS
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• Free Plan: $0 forever (150 emails/mo, 200 contacts, basic analytics, no credit card required).
• Starter Plan: $9/mo (3,000 emails/mo, 1,500 contacts, 3 sequences, 2 senders).
• Pro Plan: $29/mo (50,000 emails/mo, 30,000 contacts, unlimited sequences, 7 senders + rotation, 7-day free trial).
• Team Plan: $97/mo (150,000 emails/mo, 100,000 contacts, 10 team seats, 15 senders + rotation).
• Enterprise Plan: Custom quotas from 250K to 5M+ emails/mo for high-volume operations.
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⚡ HOW TO GET STARTED IN UNDER 2 MINUTES
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1. Click "Add to Chrome" above to install OutSends.
2. Sign in with your Google account in 1 click.
3. Import your contacts or CSV list.
4. Compose your personalized message and add automated follow-ups.
5. Click Send and…
Growth
Window
Users
Change
Ratings
Rating
7 days
+5
+17.9%
0
0.00
30 days
+14
+73.7%
0
0.00
Chrome Web Store search rankings
Where OutSends – Cold Email & Mail Merge for Gmail appears when people search the store, with the 30 day change