Another option, and although it may be a little over the top for this particular situation, is AutoTURN. It's part of the serialmail package put out by DJB to work with qmail. We use it here for mail caching and it works great.
http://cr.yp.to/serialmail.html -----Original Message----- From: Jasper Metselaar [mailto:[EMAIL PROTECTED] Sent: Thursday, July 03, 2003 3:30 AM To: [EMAIL PROTECTED] Subject: [vchkpw] Fallback MTA and vpopmail Hi, I used to have a domain running with vpopmail, qmailadmin and vqadmin. Now the owner of the domain asked to deliver his mail to another mailserver and to configure my server as a fallback MTA for that domain. E.g. IN MX 10 mail.domain-owner.com. IN MX 100 mail.mymailserver.com. How should I setup the domain so that my server becomes a fallback and that it delivers the e-mail to the primary mailserver when it is available again (in case the primary mailserver is off-line)? Thanks for any suggestions! - Jasper