LiteMail 
POP2Exchange 
HP OpenMail Mail Mover 
Laplink Exchange Accelerator 
LDAP MAPI Service Provider 
Novell Groupwise Gateway 
HP OpenMail/cc:Mail Import 
Universal Information Client 
E-Mail Shuttle 
SAP Exchange Connector 
Dead Letter Connector 
InterSolv DataDirect 
Fabrik Remote 
WebDIR 
POP3 Email Connector 
POPcon v.189 
WAPEX321