On Thu, Mar 27, 2014 at 5:24 AM, lists-postfix < lists-post...@listmail.innovate.net> wrote:
> > > ------------ Original Message ------------ > > Date: Thursday, March 27, 2014 05:14:59 +0200 > > From: johan van der merwe <johanvandermerwe....@gmail.com> > > To: postfix-users@postfix.org > > Subject: Undelivered Mail Returned to Sender > > > > Good day Dear, > > > > Please facing a big challenge regarding the mails that are > > replyied with the Undelivered Mail Returned to Sender status. > > > > 550-rejected because IP is in a black list. > > > > May you please direct me on how to fix this issue? > > > > Thanks a lot for this mailing list > > Search the (yours I assume) IPnumber in the standard blacklists. > There are a number of multi-blacklist search agents -- use google or > equiv to find them. Assuming your number shows up, look to see if it > shows why it is there, then deal with the issue accordingly. > > Thanks for your response, according to this site http://www.spamhaus.org/query/ip/41.134.194.89 my internet IP was blacklisted. > If it doesn't show up, send a message to the postmaster@, or if that > fails, the network administrator, from some other ipnumber to see if > you can get resolution. > > This isn't really a postfix issue, except that you may be using > postfix and are an open relay or have users who are spammers. > > I know that its not a postfix issue, but looking for a help my mail server run on postfix + dovecot - Richard
