> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of mouss > Sent: 08 October 2008 16:10 > Cc: postfix-users@postfix.org > Subject: Re: [SPAM?] Re: My first config - unable to telnet > to port 25, virtual.db missing > Importance: Low > > Paul Cocker wrote: > > But isn't recipient maps purely checking the destination address to > > see if it's valid? If so, why does it matter when you check the > > validity so long as you do before it reaches its final > destination for > > that domain and is bounced? > > > if your secondary accepts a message to an invalid recipient, > what do you think will happen at the end of the journey? your > primary will reject your secondary and your secondary will > generate a bounce. and how do we call this? backscatter. > > it's as simple as this: if one of your servers doesn't reject > a mail, you'll have to do something with that mail. if you > discard it, you break email reliability (people do mistype > addresses sometimes). if you bounce it, you will annoy the > rest of us (because you can't prove the sender isn't forged). >
Thanks for all your help, it has been most enlightening. TNT Post is the trading name for TNT Post UK Ltd (company number: 04417047), TNT Post (Doordrop Media) Ltd (00613278), TNT Post Scotland Ltd (05695897), TNT Post North Ltd (05701709), TNT Post South West Ltd (05983401), TNT Post Midlands Limited (6458167)and TNT Post London Limited (6493826). Emma's Diary and Lifecycle are trading names for Lifecycle Marketing (Mother and Baby) Ltd (02556692). All companies are registered in England and Wales; registered address: 1 Globeside Business Park, Fieldhouse Lane, Marlow, Buckinghamshire, SL7 1HY.
