Paul, thank You very much for Your support. @Michael J Wise, that was question partly about Postfix. Please read more carefully all posts...
> > Maybe Postfix will have some kind of debugging mode etc.etc. > Any how, thanks for Your support! On Mon, Jun 1, 2015 at 9:55 PM, Michael J Wise <mjw...@kapu.net> wrote: > > > Hi All, > > This is *NOT* the list for questions about spamfighting in general, and > certainly not about Spamhaus in particular. > > They have a site: > > http://www.spamhaus.org/ > > > I would like to ask You what could be a reason of ban in Spamhaus. > > Today morning we have got message from our client that our system is not > > able to send E-mails. > > In did, system IP has been putted to black list. > > > > I have reviewed all logs and didnt found any good reason. System with > > Postfix which we are using to distribute an E-mails to our clients for > > some > > reason has been blocked. This is massmailer system. Till now, we havent > > got > > any problems with, we have simply send 100k E-mails and everything was > > fine. TIll today. > > > > > > From Spamhause we have got feedback that "it could be: virus, malware, > > spam > > content etc.etc." but nothing was described in detail, what is exacly the > > reason. > > > > In the Postfix log I have found a lot of 550 Errors. > > > > 550 Uknown user local... > > > > In this case I suspect that system bounced a lot of messages. Is this a > > reason ? > > > > > > Also in the header of the message, I found an E-mail address which is not > > exist. > > Some kind of reply E-mail, which simply not existing. Maybe this is the > > reason ? > > > > > > Would be great if somebody could support me here. Or maybe somebody will > > be > > so kind and tell me how to trace this kind of problems. Seriously I dont > > know how to find a reason of ban. > > > > Maybe Postfix will have some kind of debugging mode etc.etc. > > > > > > > > Thank You in advance for Your support! > > > > > > > > Zalezny > > > > > Aloha mai Nai`a. > -- > " So this is how Liberty dies ... http://kapu.net/~mjwise/ > " To Thunderous Applause. > > >
