Sometime People are asking for direct mailing software. I am really confused about this. Is there any software for direct mail marketing? After searching in the internet I have found some service provider who provide direct mailing software services. I have found

>directmailmac{dot}com
>emaildirect{dot}com
>directmailmanager{dot}com

I am not sure about their services. Based on your experiences, Are they really helpful for direct mail marketing? Please share your experiences and suggestions. Thanks in advance.