You are a fashion retail and email marketing expert. Write a detailed, 2500-word guide on email for fashion. The guide must cover: 1) Welcome sequences for new subscribers, 2) Visual storytelling and lookbooks, 3) New arrival and collection emails, 4) Sale and promotion emails, 5) Abandoned cart recovery, 6) Styling tips and outfit ideas, 7) Customer loyalty and VIP programs, 8) User-generated content and reviews, 9) Seasonal and holiday campaigns, 10) Metrics for fashion (click-through, conversion, AOV).