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Rassam from ColdSend

Published on July 5, 2025

Smartlead to ColdSend Migration: Eliminate Warmup Delays Forever

Tired of Smartlead's 2-3 week warmup requirements? Here's how to migrate to ColdSend.

ColdSend eliminates Smartlead's warmup delays and delivers higher deliverability from day one.


Why Teams Are Leaving Smartlead

Platform Limitations:

  • 2-3 week warmup for every new inbox
  • Limited inbox scaling (15 base, $7 each additional per Smartlead pricing)
  • Warmup failures that reset progress
  • Complex setup process for new domains

Performance Comparison:

  • Smartlead deliverability: 80-85% (after warmup)
  • ColdSend deliverability: 90%+ (from day one)
  • Smartlead setup time: 2-3 weeks
  • ColdSend setup time: Same day

Migration Planning

Data Inventory:

  • Active campaigns in Smartlead
  • Prospect databases and lists
  • Email sequences and templates
  • Performance baselines for comparison

Migration Timeline:

  • Week 1: Export data, set up ColdSend
  • Week 2: Migrate active campaigns
  • Week 3: Launch new campaigns (no warmup)
  • Month 1: Full optimization

Team Preparation:

  • Assign migration lead (usually sales ops)
  • Schedule team training on ColdSend
  • Plan campaign downtime (minimal)
  • Prepare client communications

Data Export from Smartlead

Export Process:

  1. Go to Campaigns → Export prospects
  2. Download sequences (copy/paste email content)
  3. Export performance data for baseline
  4. Save domain configurations (for reference)

Data Format:

Prospect exports include:

  • Email addresses
  • First/last names
  • Company information
  • Custom fields
  • Campaign assignments

Sequence exports include:

  • Email subject lines
  • Email body content
  • Delay timings
  • Follow-up sequences

ColdSend Setup Process

Hour 1: Account Creation

  1. Sign up for ColdSend account
  2. Choose inbox allocation (100 included)
  3. Connect domains (optional, can use ColdSend domains)
  4. Configure account settings

Hour 2: Campaign Setup

  1. Import prospect lists from Smartlead exports
  2. Create email sequences using existing content
  3. Set sending schedules and delays
  4. Configure tracking and reporting

Hour 3: Launch

  1. Review campaign settings
  2. Start first campaign (no warmup needed)
  3. Monitor initial sends
  4. Confirm deliverability

Total migration time: 3-4 hours vs 2-3 weeks with Smartlead


Performance Comparison

30-Day Results (Average):

Smartlead (after warmup):

  • Setup time: 21 days
  • Deliverability: 82%
  • Total inboxes: 15-30
  • Cost: $94-$315/month

ColdSend (immediate):

  • Setup time: 1 day
  • Deliverability: 91%
  • Total inboxes: 100+
  • Cost: $50/month

Timeline Comparison:

Smartlead timeline:

  • Week 1-3: Warmup (no results)
  • Week 4: First campaigns
  • Week 6: Meaningful results

ColdSend timeline:

  • Day 1: Campaigns running
  • Day 3: First responses
  • Week 1: Meetings booked

Migration Support

Common Questions:

Q: Will I lose my sending reputation?
A: No. ColdSend uses established infrastructure with better reputation than Smartlead warmup.

Q: How long is the migration downtime?
A: 4-6 hours maximum. Most campaigns can run parallel during transition.

Q: What about my existing domains?
A: You can keep using them or switch to ColdSend domains (recommended).

Q: Can I test before fully migrating?
A: Yes. Book a demo to test with your data.


The Bottom Line

Smartlead requires:

  • 2-3 week warmup delays
  • Extra charges for inbox scaling
  • Complex warmup monitoring
  • Extended setup process

ColdSend delivers:

  • Immediate deployment
  • 100+ inboxes included
  • No warmup required
  • Same-day results

Key Benefits:

  • 20x faster deployment
  • 10% higher deliverability
  • 50-80% cost savings
  • Zero warmup failures

Ready to eliminate Smartlead's warmup delays? Explore our API tools or book a demo and see immediate deployment in action.


Need help with your Smartlead migration? Schedule a call for personalized migration support.