Delta Airlines' customer service can be reached through various channels, but they do not provide a specific Delta Airlines customer email address for general customer inquiries. Instead, they encourage customers to contact them through their official website or by calling their customer service hotline. To reach Delta Airlines' customer service through their website, you can visit their "Contact Us" page. There, you will find a form where you can submit your questions or concerns electronically. This form typically requires you to provide your contact information, including your name, email address, and phone number, as well as details about your inquiry. Once you submit the form, a Delta Airlines representative will review your message and respond accordingly.