HELP PLEASE: Sitewide Settings v Settings; No email TAB

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I've just noticed that on my own site, the settings tab in the dashboard is called 'Settings' while on a clients site it's called 'Sitewide Settings'

Also the clients settings has an 'Email' tab that my own site doesn't have. I put together both sites and am the Admin for both.

I would like to have an email tab as I want to do html emails to clients. Is this a facility to do this?

Nigel

nige