Re: [twsocket] detecting circular mail

2008-04-20 Thread DZ-Jay
On Apr 20, 2008, at 14:11, DZ-Jay wrote: > I guess you can always check for multiple instances of the header and > avoid delivering to any addresses in any of them (after all, any server > who adds an X-Loop header is trying to make sure not to have the > message re-delivered to that address). O

Re: [twsocket] detecting circular mail

2008-04-20 Thread DZ-Jay
On Apr 20, 2008, at 12:05, Wilfried Mestdagh wrote: > Hello DZ-Jay, > >> Plus, the RFC requires transport servers in transit to include all "X" >> headers untouched. > > So this also means if I add a X-Loop header that another server leave > it > untouched and add also his own X-Loop header (so t

Re: [twsocket] detecting circular mail

2008-04-20 Thread Wilfried Mestdagh
Hello DZ-Jay, > Plus, the RFC requires transport servers in transit to include all "X" > headers untouched. So this also means if I add a X-Loop header that another server leave it untouched and add also his own X-Loop header (so there could be more of them)? --- Rgds, Wilfried [TeamICS] http://

Re: [twsocket] detecting circular mail

2008-04-20 Thread DZ-Jay
On Apr 20, 2008, at 10:03, DZ-Jay wrote: > The common way is for the SMTP server (or Mail Delivery Agent) to add > an additional header with the sender's address, then ignore any > messages where the recipient is the same as the value in that header. When I said the "sender's address", I meant t

Re: [twsocket] detecting circular mail

2008-04-20 Thread DZ-Jay
On Apr 20, 2008, at 04:31, Wilfried Mestdagh wrote: > Can someone advice on how the best way to detect a circular mail? > > I have smtp server and the mailboxes are all GSM. Sms are sent to > another smtp server who deliver it for email reader (pop3 or imap). > When > users send email the other s

Re: [twsocket] detecting circular mail

2008-04-20 Thread Wilfried Mestdagh
Hello Francois, Yes looks simple and very reliable. However what if I'm running on the same machine as the other one? I'm examing some mail headers and it looks some servers list also the HELO string, but not all. If they did it all then I could make an exclusive HELO string. --- Rgds, Wilfried [

Re: [twsocket] detecting circular mail

2008-04-20 Thread Francois PIETTE
> Can someone advice on how the best way to detect a circular mail? Each SMTP server add a "Received:" header line in front of the mail. You can scan the list of such header lines to see if your server is already in the list. -- [EMAIL PROTECTED] The author of the freeware multi-tier middleware