Re: Backup Mailserver -Secondary MX server

2013-04-02 Thread Wietse Venema
John Hinton: > My goal is to have a Postfix mailserver set up to accept mail for other > Postfix servers running multiple domains 'if and only if they are not > accessible'. What's missing from this picture that not only hosts can fail, but also networks. Network outages happen all the time in

Backup Mailserver -Secondary MX server

2013-04-01 Thread John Hinton
My goal is to have a Postfix mailserver set up to accept mail for other Postfix servers running multiple domains 'if and only if they are not accessible'. I have been using Sendmail with milter-ahead set to: "+backup-mx For a backup MX or gateway, accept mail when the down stream mail serv