On 2/20/2012 12:10 AM, Przemysław.Orzechowski wrote: > One of my clients made a setup that all her mails are forwarded to remote > ISP > Unfortunatly i noticed that sometimes i get 450 error from destination ISP > this triggers Delivery Failure Notice wich is naturally sent to this ISP
450 is a temporary error return code telling the sending MTA to retry later. A failure notice should only be generated after the sending MTA continues receiving the 450s and continues retrying, until the sending MTA exceeds its retry interval, at which point the failure notice is generated. Is this what is occurring? > Is there a way to stop this endless loop ? There should be no loop. Either you did a poor job of explaining the problem, or I'm doing a poor job deciphering your description. Or your server is misconfigured. > Im using postfix 2.5.8 > Im tryin to setup a prce filter that compares To: field with message body > where is the info about Delayed mail to x...@xxx.xxx and try to siscard mail > if the email from body maches the email from To field but somehow i cant > figure the right regexp I don't think such a filter is the solution. As always, it would be helpful if you posted relevant logging of the problem and your 'postconf -n' output so we can see the actual problem. -- Stan
