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
To setup email on Android first open your device's email app. If you already have an email...
When you attempt to send an e-mail message in Outlook Express, you may receive the following...
The default forwarding method of Mozilla Thunderbird can result in servers blocking emails as...
The format may need to be account name+domain.com instead of name@domain.com If this does not...
You may want to install SSL for your email or update an existing certificate you had installed...
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