Regarding DNS lookup

2014-04-16 Thread Joy
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 only MX record my server still tries to deliver mail to

Re: Regarding DNS lookup

2014-04-16 Thread Mauricio Tavares
On Wed, Apr 16, 2014 at 8:40 AM, Joy pj.netfil...@gmail.com 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

Re: Regarding DNS lookup

2014-04-16 Thread Kris Deugau
Mauricio Tavares wrote: On Wed, Apr 16, 2014 at 8:40 AM, Joy pj.netfil...@gmail.com 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

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 for

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 lead to