Deleted Signature, emptied Trash and Junk. Still cannot connect. Get this when clicking on Send and Receive:

method: SyncRequest
msg: Cannot connect to server.
code: EMPTY_RESPONSE

Get this when going to Setup:

Debug message: invalid request: zimbraPrefMailSignature is longer than the limited value 1024

Exception:

com.zimbra.common.soap.SoapFaultException: invalid request: zimbraPrefMailSignature is longer than the limited value 1024
ExceptionId:btpool0-26018:1240414355823:6c067922949ff8ca
Code:service.INVALID_REQUEST
at com.zimbra.common.soap.Soap12Protocol.soapFault(So ap12Protocol.java:88)
at com.zimbra.common.soap.SoapTransport.extractBodyEl ement(SoapTransport.java:263)
at com.zimbra.common.soap.SoapTransport.parseSoapResp onse(SoapTransport.java:224)
at com.zimbra.common.soap.SoapHttpTransport.invoke(So apHttpTransport.java:277)
at com.zimbra.common.soap.SoapHttpTransport.invoke(So apHttpTransport.java:226)
at com.zimbra.common.soap.SoapTransport.invoke(SoapTr ansport.java:315)
at com.zimbra.cs.zclient.ZMailbox.invoke(ZMailbox.jav a:514)
at com.zimbra.cs.zclient.ZMailbox.invoke(ZMailbox.jav a:508)
at com.zimbra.cs.zclient.ZMailbox.createSignature(ZMa ilbox.java:4264)
at com.zimbra.cs.account.offline.DirectorySync.pushSi gnature(DirectorySync.java:546)
at com.zimbra.cs.account.offline.DirectorySync.pushAc count(DirectorySync.java:474)
at com.zimbra.cs.account.offline.DirectorySync.sync(D irectorySync.java:176)
at com.zimbra.cs.account.offline.DirectorySync.syncAl lAccounts(DirectorySync.java:122)
at com.zimbra.cs.account.offline.DirectorySync.access $000(DirectorySync.java:55)
at com.zimbra.cs.account.offline.DirectorySync$1.run( DirectorySync.java:70)
at java.util.TimerThread.mainLoop(Unknown Source)
at java.util.TimerThread.run(Unknown Source)