Those who are on Pipex may have noticed problems sending / receiving e-mails. This is from the Pipex Service Status page:
Report: There are once again problems with the PIPEX mail service.
Symptoms: Connection to mailboxes may be intermittent or not possible. Depending on the email program in use, this may prevent mail being sent, though the sending servers are unaffected.
Actions: Engineers are once again travelling to site to attend to the affected machine. However, it is likely that the system will be offline for some time during Sunday, and that it will need to be taken down for further maintenance in the very near future.
PIPEX sincerely apologies for this problem and the inconvenience it is causing. We are working hard to resolve this issue as quickly as possible.