> ## Documentation Index
> Fetch the complete documentation index at: https://api.smartlead.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Email Accounts

> Understanding email account management and warmup

## 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

```json theme={null}
{
  "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

| Day | Emails Sent | Warmup | Campaign | Reply Rate |
| --- | ----------- | ------ | -------- | ---------- |
| 1   | 5           | 5      | 0        | 30%        |
| 2   | 7           | 7      | 0        | 30%        |
| 3   | 9           | 9      | 0        | 30%        |
| 5   | 15          | 10     | 5        | 30%        |
| 10  | 30          | 15     | 15       | 30%        |
| 20  | 50          | 20     | 30       | 30%        |

## 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 Type    | Daily Limit | Notes                         |
| --------------- | ----------- | ----------------------------- |
| **New SMTP**    | 20-30       | Start low, increase gradually |
| **Warmed SMTP** | 50-100      | After 30 days warmup          |
| **Gmail**       | 50          | Google's recommended limit    |
| **Outlook**     | 50          | Microsoft's recommended limit |
| **Enterprise**  | 100+        | With proper warmup            |

## Best Practices

<AccordionGroup>
  <Accordion title="Use Multiple Accounts">
    Rotate 5-10 accounts for better deliverability and higher volume
  </Accordion>

  <Accordion title="Always Warm Up">
    Never skip warmup for new accounts - it's critical for deliverability
  </Accordion>

  <Accordion title="Custom Tracking Domains">
    Use custom domains for tracking links to improve trust
  </Accordion>

  <Accordion title="Monitor Health">
    Check warmup reputation regularly - pause if it drops below 80%
  </Accordion>
</AccordionGroup>

## Related Endpoints

* [Add SMTP Account](/api-reference/email-accounts/add-smtp)
* [Add OAuth Account](/api-reference/email-accounts/add-oauth)
* [Get All Email Accounts](/api-reference/email-accounts/get-all)
* [Update Warmup Settings](/api-reference/email-accounts/warmup-settings)
* [Get Warmup Stats](/api-reference/email-accounts/warmup-stats)