Sorry this is long, I felt it was important for me to give all these details. We currently have our main mx record for careercast.com pointing to mail.careercast.com (216.39.101.230). This is our old sendmail server which is basically a redirect box which forwards messages to ISP accounts for each user based on the aliases file. I am now bringing email in house and have a Qmail server named email.careercast.com (216.39.101.233). For our beta testers I changed the forwarding address on mail.careercast.com from the ISP to point to their new account on email.careercast.com. It has worked perfectly. This server is running Qmail 1.03 with Vpopmail, the main domain is careercast.com, with a virtual domain for ftp.careercast.com and email.careercast.com so it will accept mail for those addresses, too. In preperation for maving our MX records over I have converted the aliases file from our main email server into .qmail files and placed those in the appropriate location on the new server. It is forwarding mail perfectly to the ISP for users who do not yet have real accounts when email is sent directly to email.careercast.com. Here's the question: I intend to have the MX record for careercast.com changed from mail.careercast.com to email.careercast.com. It seems pretty simple...I don't think users will notice anything different since this server is just a redirect box and either server will be able to forward email to the ISP. Thus, propigation seems like a non-issue. Is there anything else I should be thinking about in making this change? Is there anything to test how this transition will happen? I have tried sending mail to and from it, along with testing the .qmail-files and everything seems good. I have only been a sys admin for this company one month and this is a large project that I want to be sure goes smoothly. Thanks for you time Matt Simonsen
