Feizhou a écrit : > >> I tried smtp-sink on another port and found that phpbb was the cause of >> the problem. >> phpbb did several connections to the smtp-sink and sent multiple emails >> with more than 50000 recipients instead of 3500. >> When I sorted the smtp-sink output, I could see recipients duplicated >> multiple times. >> >> Conclusion postfix works great! phpbb sucks! > > Now I wonder what is wrong with phpbb...is yours modified at all? It might be related to browser retrying the request several times because it is a long task don't you think? This could explain why there are several smtp connections. Anyway I reported the bug to phpbb bug tracking. Yes the phpbb is modded, but not by me. I'm just hosting it on my dedicated server.