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Please note that email addresses from free email services such as Yahoo, Hotmail and GMail can not join the Dipleague mailing list.

If you only have a free web-based email address, then you must obtain a corporate or professional email address. For example,

If you had already joined Dipleague using a free address, you also need to change your address. If you don't already have an alternative address, you can open a FREE @ZOL email address, which will let you continue to be a member of Dipleague.


To join Dipleague now, please supply your details:

What is your email address?
Again to confirm

Your address is not permitted to join Dipleague.

It's nothing personal - we have just had a lot of similar addresses abusing Dipleague.

We are truly sorry for the inconvenience. Please obtain a corporate or 'professional' address from your ISP or employer.


Please be patient while we process your request


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