SMTP Authentification don't work /CyrusSASL+Postifx

After latest upgrade I've two mahcines that don't work send email.

Configure with Virtualin by default: Postfix + CyrusSASL on Fedora core 4.

Just buy a Premium Support Incident at fibe hours ago, but any response.

All two machines in production and too much problems. I just see 8 hours of a loot of Google post for Postfix + SASL problems, but only work on PLAIN text on KMail on linux

Quantity 1: Premium Support Incident; Our Price: $39.00

Shipping Address:
not deliverable

Item(s) Subtotal: $39.00
Shipping & Handling: $0.00
Subtotal: $39.00
Tax: $0.00
TOTAL: $39.00

Thank you.

Sincerely, Customer Service

Closed (fixed)