messages are not being allowed to go through to seller

[ondy11]

 my mesages are like being blocked or they are not getting through to this seller.  https://www.ebay.com.au/str/valueexplorer i have brought a lot of things from them and want to buy more can you assist in what the issue is

[sandypebbles]

Not something members can actually 'assist' with

Have you bought a lot now or have you bought a lot from them in the past?