On Wed, Dec 10, 2008 at 05:36:04PM +0100, Dennis // [EMAIL PROTECTED] wrote: > But how would recipient verification behave when the customers > mailserver is unavailable ?
Postfix then sends a temporary failure (4xx) back to the client. > Would one have to rely on the cache or would postfix hold the mail ? The results are cached by the verify(8) daemon. Please refer to http://www.postfix.org/verify.8.html for relevant configuration settings. All this is explained in: http://www.postfix.org/ADDRESS_VERIFICATION_README.html Geert