The Admin can customize the mail template i.e. he can customize the Mail Template Header & Footer Background Color.
To do so, follow the process:
Shopify Multivendor Marketplace Admin Panel >> Mail Configuration >> Mail Configuration:
You can also send a test mail to yourself to check the configuration made.
Looking for anything specific article which resides in general queries? Just browse the various relevant folders and categories and then you will find the desired article.Contact Us