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What are Email Accounts?

Email accounts in SmartLead are the sender accounts used to deliver your campaigns. SmartLead supports:
  • SMTP Accounts: Custom email servers
  • Gmail Accounts: OAuth-connected Gmail
  • Outlook Accounts: OAuth-connected Microsoft 365

Account Rotation

SmartLead automatically rotates between multiple accounts to:
  • Distribute Load: Spread emails across accounts
  • Improve Deliverability: Avoid ESP sending limits
  • Build Reputation: Warm up multiple accounts simultaneously
  • Increase Volume: Send more emails per day

Email Warmup

What is Warmup?

Warmup gradually increases your sending volume to build sender reputation with email providers.

Why Warmup?

  • New Accounts: Build credibility
  • Better Deliverability: Land in inbox, not spam
  • Higher Limits: Increase daily sending capacity
  • Account Health: Maintain good reputation

Warmup Settings

Warmup Schedule Example

Account Types

SMTP Account

Custom email server with SMTP/IMAP configuration. Required:
  • SMTP host and port
  • IMAP host and port
  • Username and password
Use For: Maximum control, custom domains

Gmail Account

OAuth-connected Google Workspace or Gmail. Required:
  • OAuth tokens (via Google Sign-In)
Use For: Easy setup, reliable delivery

Outlook Account

OAuth-connected Microsoft 365 or Outlook.com. Required:
  • OAuth tokens (via Microsoft Sign-In)
Use For: Business accounts, Exchange servers

Daily Sending Limits

Recommended limits per account type:

Best Practices

Rotate 5-10 accounts for better deliverability and higher volume
Never skip warmup for new accounts - it’s critical for deliverability
Use custom domains for tracking links to improve trust
Check warmup reputation regularly - pause if it drops below 80%