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# Email System
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Email template creation, mailing list management, campaign execution, and email tracking with SMTP integration.
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## Capabilities
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### Email Campaign
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```python { .api }
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class EmailCampaign(CremeEntity):
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    """
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    Email campaign for mass communications.
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    Attributes:
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    - name: str, campaign name
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    - subject: str, email subject line
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    - body: TextField, email content
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    - mailing_lists: ManyToMany, target mailing lists
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    Methods:
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    - send(): Execute email campaign
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    - get_recipients(): Get all campaign recipients
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    """
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```
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### Email Template
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```python { .api }
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class EmailTemplate(CremeEntity):
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    """
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    Email template for consistent messaging.
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    Attributes:
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    - name: str, template name
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    - subject: str, email subject template
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    - body: TextField, email body template
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    Methods:
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    - render(context): Render template with context
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    """
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```