Something else to consider is switching to a free MS Live.co.uk or Google Mail account.
A friend switched from BT Broadband to another ISP and initially there was a request to charge 1 pound a month to keep his old mail account. Later it went to 4.50 a month, just for e-mail.
Using ISP-based e-mail accounts is something I would always suggest is avoided. Sure, check that mail account for ISP messages, invoices etc, but as a contact mail address I would suggest a free account elsewhere.
If you enter competitions, or use a number of shopping sites, or even social networking sites, it is probably a good idea to have different mail addresses, so if one gets hacked (or you are conned into signing up to some website which is actually run to grab mail addresses and passwords) then the loss is only of one mail address.
I recommend using SpamGourmet.com which would allow you to have a unique mail address for each site you use. It is intended to cut down on how much spam reaches you, because it offers a couple of controls to do this.
First, when you sign up, and specify mail address, you can limit the number of mail messages which will be forwarded to you. I just signed up for a competition for some free music gear, and by entering my mail address as
website.5.myaccount @ spamgourmet.com
I have limited the number of messages to just 5 from If any further messages are sent, they will be 'eaten' by spamgourmet.
Second, if I find I want all messages from a website (eg MN, or the BBC) then I can 'whitelist' the sending mail address, or domain (bbc.co.uk) and then any messages from that 'accepted' sender gets through without reducing the count.
If the site is hacked, or they sell the mail addresses, then messages from some other domain will decrement the count and once it reaches 0, no more will come from unwanted senders.
I don't use the same password anyway for different sites, but also, by having different mail addresses for different sites (and none of them actually mention Google Mail anyway), it makes ID theft or hacking my mailboxes much more difficult.
It also means that none of the mail addresses I use are tied to my ISP - I have changed ISP a few times in the last 10 years, and know how awkward it would have been if I had tried to keep mail with one, when they are no longer ideal for my needs regarding internet access/ costs.