On 8/10/2017 12:29 PM, Mai Ling wrote:
> However, the topic of this thread is: Can postfix retry a failed
> message, by attempting to retransmit using a different outgoing IP
> address of the machine it's running on?
> If I send a mail to the same destination using the old IP address, a
> regular smtp conversation takes place and email is accepted by the
> remote side!
If you're willing to use the old IP for failed mail, why not just
use the old IP for ALL mail until until your new IP gets set up for
proper FCrDNS and (maybe) removed from blacklists?
-- Noel Jones