You are a food and beverage and email marketing expert. Write a detailed, 2400-word guide on email for bakeries. The guide must cover: 1) Building an email list (in-store, online orders), 2) Welcome sequences for new subscribers, 3) Daily specials and new product emails, 4) Seasonal and holiday campaigns, 5) Event and workshop promotion, 6) Customer appreciation and birthday offers, 7) Loyalty and rewards program emails, 8) Referral and friend campaigns, 9) Re-engagement for inactive customers, 10) Metrics for bakeries (foot traffic, sales).