Can't receive mails over pop3 / cert errors

Can't receive mails over pop3 because of certificate errors.
Log from my thebat (voyager 4.1.11.1):
12/27/2011, 07:35:27: FETCH - receiving mail messages
12/27/2011, 07:35:29: FETCH - Initiating TLS handshake
12/27/2011, 07:35:35: FETCH - Certificate S/N: 40F93AAF9C695A16AE1AD5E91A22AE80, algorithm: RSA (2048 bits), issued from 9/12/2011 to 11/10/2013 11:59:59 PM, for 1 host(s): *.zoho.com.
12/27/2011, 07:35:35: FETCH - Owner: IN, Tamil Nadu, Chennai, ZOHO Corporation Private Limited, ZOHO, *.zoho.com.
12/27/2011, 07:35:35: FETCH - Issuer: US, Thawte, Inc., Thawte SSL CA.
12/27/2011, 07:35:35: FETCH - Issuer: US, thawte, Inc., Certification Services Division, (c) 2006 thawte, Inc. - For authorized use only, thawte Primary Root CA.
12/27/2011, 07:35:35: FETCH - Root: ZA, Western Cape, Cape Town, Thawte Consulting cc, Certification Services Division, Thawte Premium Server CA, premium-server@thawte.com
12/27/2011, 07:35:37: FETCH - Server reports TLS error: Handshake failure.
12/27/2011, 07:35:37: FETCH - TLS handshake failure. Connect failed