For blocking .zip attachments you will want to use the "Account Level Filtering" area of your control panel. Create a Rule for Body contains .zip
Action can be "Fail with message: This user doesn't accept .zip attachments."
You can use this method for any file extension. For example blocking .rar attachments use the "Account Level Filtering" and create a rule for Body contains .rar
When receiving the error, The host yourdomain.com could not be found, the POP3/IMAP (incoming...
To help prevent unauthorized users from abusing our system you must create the email account in...
Outlook is trying to use SSL. Go to 'Tools' -> 'Accounts...' -> 'Mail' -> 'Properties'...
You may receive the following error message. "Domain has exceeded the max defers and failures per...
The default forwarding method of Mozilla Thunderbird can result in servers blocking emails as...
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