Hi there! Improving email marketing is all about crafting compelling subject lines and content that resonates with your audience. Personalization is key, so make sure to segment your email list based on subscribers' preferences and behaviors. Use their names in the subject line to add a personal touch. Additionally, consider incorporating interactive elements like GIFs or videos to make your emails more engaging. And don't forget to optimize for mobile users, as many people check their emails on smartphones nowadays.

By the way, if you're looking for some inspiration for your summer email campaigns, I recommend checking out this great resource: https://claspo.io/blog/120-impactful-summer-email-subject-lines-get-inspired-now/ It's full of impactful subject lines that can help you boost open rates and click-throughs during the summer season.