Skip to main content

​
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_enabled": true,
  "max_email_per_day": 20,
  "daily_rampup": 2,
  "reply_rate_percentage": 30,
  "warmup_min_count": 5,
  "warmup_max_count": 20
}

​
Warmup Schedule Example

DayEmails SentWarmupCampaignReply Rate
155030%
277030%
399030%
51510530%
1030151530%
2050203030%

​
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:
Account TypeDaily LimitNotes
New SMTP20-30Start low, increase gradually
Warmed SMTP50-100After 30 days warmup
Gmail50Google’s recommended limit
Outlook50Microsoft’s recommended limit
Enterprise100+With proper warmup

​
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%