Here is a list of file extensions which are not allowed to be sent to any email address on the server. If someone attempts to send an email to a HostMonster account with an attachment that has one of these extensions, the email will be returned to the sender and they will be notified that the attachment cannot be sent.
The reason behind this is because files with these extensions can be used to run a program that will install viruses or seriously damage your computer. Spammers and hackers often send emails with these attachments trying to get users to open the attachment. Once it is opened, the computer is infected.
Recommended Help Content
Can I send an email with large files/attachments?
Trying to send out emails from multiple email accounts fail from both webmail and third party email clients. Possible Reasons: The maximum emails per hour has been exceeded. This can be caused by forw
How to remove the "This site may harm your computer" warning in Google search results.
Related Help Content
If you suspect malicious content, hacks or a virus on your VPS/Dedicated account here are some tools located in your WHM that you can use.
This article will explain how to create MIME types.
This article will explain how to run php and other file types using Cron jobs.
I get the following database connection error: Warning: mysql_connect() [function.mysql-connect]: Host 'host#.HostMonster.com' is blocked because of many connection errors; unblock with 'mysqlad
. Click the RoundCube logo. This takes you to the main interface screen for RoundCube where your Inbox will be displayed. On the left are your email folders, by default, RoundCube will always show you
Can't receive emails? Here are a few things to try.
This article outlines what to do if you find your local IP address has been blacklisted.
How can I change the outgoing SMTP port from 25 to 26?