At home I use Thunderbird, at work or traveling I use GMX on-line, an Add-on/Plug-in for Thunderbird so that it's possible to sync address books would be just what I need otherwise I need to export the address book from Thunderbird and import to GMX. [....]

I would love to see LDAP option to synchronize contacts in the addressbook within the webmail, desktop client and mobile. [....]

Active sync for support of mobile can be launched to sync contacts from mobile phone directly like services provided by mobical.net , zyb.com.... [....]

I run an association and need to send one message to all members but the system will not let me, can you design a system to allow group emails [....]

I like to have my contacts sorted by First Name, then Last Name. This can be done by dragging the First Name field around and sorting the list. However this always goes back to the default Last Name, First Name.

Also, when I am composing a message and want to select the recipient, the contacts are sorted by Last Name, First Name. I want to see First Name, Last Name.

Can there be a user setting option that can override these? [....]

Please allow to delete duplicate from address book periodically to avoid clutter. [....]

it would be grate if there was a tool like google sync, the one that you can install on your mobile phone and sync your email contacts and address book. [....]

Launch a GMX Activesync-compatible server (like m.google.com) to synchronize contacts. [....]

How about an outlook sync of addresses. For example MAPI address formats [....]

As above, I think this feature is NEEDED! [....]