I have the exact same problem. I upgraded from 5.1.2 to 5.5 and now my pseudonyms dissapear shortly after being created. Have you found a work around?
I am not positive, but I think forwarding settings also dissapear.
Christopher
Chaloner Hale wrote:
>
> Went camping for the weekend and came back to find 'no
> email'. Looking at the problem I determined all my pseudonyms
> were missing. I am on 5.5.
>
> Then only thing I have done to the server recently is apply
> the Webmail address book patch.
>
> Any ideas?
>
> Chaloner Hale