Could you provide an advanced and comprehensive email marketing campaign calendar for [specific product/service], specifically tailored for [time period]? Please include the following critical elements: 1) Detailed email content incorporating promotional strategies, personalized messages, and effective call-to-actions, 2) Clearly defined target audience segmented based on demographics, purchasing behaviors, and preferences, 3) Optimal email send times derived from data-driven insights, and 4) Performance metrics to track the success of each individual campaign. Also, please suggest suitable A/B testing parameters for continual improvement and optimization of the campaigns.

What is the best frequency for email campaigns targeting [specific audience] and how many emails should we send per month?

Based on the analysis of our past email campaigns, what is the optimal time of the day and the week to send emails to our [specific audience]?

What kind of emails should we send to customers who have abandoned their [cart], and how frequently should we send them?

Can you provide a calendar of email campaigns for Sintra that focus on [specific event] for the [time period], including the email content and the target audience?