Re: Regarding DNS lookup

2014-04-16 Thread Michael Orlitzky
On 04/16/2014 10:14 AM, Kris Deugau wrote: > > "In case some customer changes the MX records away from me, how can I > automatically stop accepting mail for that domain?" > > About the best you can do is probably a cron job that checks on MX > records for domains you supposedly host, that can lea

Re: Regarding DNS lookup

2014-04-16 Thread Wietse Venema
Kris Deugau: > I think the question is more along the lines of: > > "In case some customer changes the MX records away from me, how can I > automatically stop accepting mail for that domain?" That is my reading too. > About the best you can do is probably a cron job that checks on MX > records f

Re: Regarding DNS lookup

2014-04-16 Thread Kris Deugau
Mauricio Tavares wrote: > On Wed, Apr 16, 2014 at 8:40 AM, Joy wrote: >> Dear Expert, >> I have configured my postfix to lookup against LDAP >> server which hosts multiple domain all working fine but in case any domain >> moves from my mail server to another server like ya

Re: Regarding DNS lookup

2014-04-16 Thread Mauricio Tavares
On Wed, Apr 16, 2014 at 8:40 AM, Joy wrote: > Dear Expert, > I have configured my postfix to lookup against LDAP > server which hosts multiple domain all working fine but in case any domain > moves from my mail server to another server like yahoo or gmail by changing > onl