[products]Unable to add Sender Email for Alibaba Individual Direct Mail

Kindly help please

Unable to add "Sender Email" the drop-down button of "Email Domain" isn't functioning. So could not send emails.

Please help me with a solution, I have emails to send but could not do so because of a set up problem

Dear JOBEN,
Our chat service is available 24 hours, Monday through Friday. You could go to the contact sales page, https://www.alibabacloud.com/contact-sales , and click on the orange icon on the bottom right to find "chat now".
You could also call our business advisor to get help. To find the customer service phone number of your country, please use the drop down list on the left of the page.

You can try to submit ticket from here https://workorder-intl.console.aliyun.com/?spm=a2c81._default.nav-right.dticket.2b1f7963qempih#/ticket/createIndex.
The team will reach you ASAP, pls aware on email or your ticket realtime status from website's ticket list.