Hi,
sory for the late answer. I got this, so i think i got the certificate for pop cliente.
[PS] C:\Windows\system32>get-exchangecertificate | fl
AccessRules :
CertificateDomains : {myserver, myserver.org.pt}
HasPrivateKey : True
IsSelfSigned : True
Issuer : CN=myserver
NotAfter : 20/06/2018 15:49:05
NotBefore : 20/06/2013 15:49:05
PublicKeySize : 2048
RootCAType : None
SerialNumber :"SERIALNUMBER"
Services : IMAP, POP, IIS, SMTP
Status : Valid
Subject : CN=myserver
Thumbprint : "Thumbprint"
AccessRules :
CertificateDomains : {WMSvc-myserver}
HasPrivateKey : True
IsSelfSigned : True
Issuer : CN=WMSvc-myserver
NotAfter : 18/06/2023 14:08:50
NotBefore : 20/06/2013 14:08:50
PublicKeySize : 2048
RootCAType : Registry
SerialNumber :"SERIALNUMBER"
Services : None
Status : Valid
Subject : CN=WMSvc-myserver
Thumbprint : "Thumbprint"