Occasionally, features designed to protect your computer from malware can interfere with your email functionality. Below are known issues and instructions for resolving them.
Difficulty sending or receiving email
Problem: I can receive incoming email but cannot send outgoing mail.
Solution: Modify the email filtering to avoid conflicts. Click here for instructions.
Problem: Immediately after installing ESET Smart Security I can no longer send or receive email.
Solution: Modify the rules governing the behavior of your ESET Personal firewall to allow email traffic. Click the Knowledgebase link below that corresponds to your version of ESET Smart Security:more...