Have you tried another email client on your PC? I have seen this behaviour from time to time with Thunderbird, but when using the new Outlook for Windows, as an example, all was well.
The TalkTalk Community has now moved to a peer-to-peer support model. This means that the TalkTalk team will no longer be here to support with queries. Don’t worry, there are plenty of ways to reach out if you need to speak to TalkTalk directly. For more details check out the link here
How to contact TalkTalk Broadband - TalkTalk Help & Support
