Ralph Angenendt wrote: > John Summerfied wrote: >> Feizhou wrote: >>> If recipients are duplicated in several different messages, then there >> That's the best explanation I've heard; it also goes to explain why >> others haven't had the problem. Over that number of recipients I guess >> there could be some redirections (through aliases) and other duplictes >> (it's possible to send mail to my mailbox via different domain names). > > I have mailing lists with 10,000s of users - if postfix would expose the > described behaviour, I would have fled from it screaming about shitty > software. I hope I got the message through that the problem is with phpbb and not with postfix itself. phpbb must have injected multiple messages with the same recipients.