The Amazon Buyer-Seller Messaging Service is completely hosted by the Amazon.com website and is accessed within a user's individual account. From there all correspondence is initiated, all responses sent and a complete communication history saved. In a two-tab format, listed as the Inbox and Sent Items, the messages can all be filtered by time period, name or keyword.
Navigate to the Amazon website and locate the login portal listed as "Your Account" on the top right of the page. Click the link to access the login page.
Type your email address and password in the fields on the right side of the page. Sign in to enter your personal account page.
View the account page and note the first category of options, titled "Orders." Click the link marked "View Your Emails With Sellers" to track seller correspondence.
Navigate between the "Inbox" and "Sent Items" tabs to locate and reply to any correspondence.
You can also reply to sellers directly through your email. Locate the seller email, which is forwarded officially by Amazon, within your email browser. Click "Reply" to compose a response.