mailchimp is a spammer and best is to put *mcsv.net on the host blacklist. I advise clients that have problems getting their newsletter delivered, to use a local national service (that does not outsource to some abuse cloud). The more expensive, the more likely emails get delivered.
> > Has anyone else been seeing spam via mailchimp, that is wrongly getting > lots of negative points? > > I'll write to isipp.com support and see how that goes. > > -2.1 RCVD_IN_IADB_OPTIN RBL: IADB: All mailing list mail is opt-in > [205.201.128.47 listed in iadb.isipp.com] > -1.2 RCVD_IN_IADB_OPTIN_GT50 RBL: IADB: Opt-in used more than 50% of the > time > [205.201.128.47 listed in iadb.isipp.com] > -0.4 RCVD_IN_IADB_LISTED RBL: Participates in the IADB system > [205.201.128.47 listed in iadb.isipp.com] > -2.2 RCVD_IN_IADB_VOUCHED RBL: ISIPP IADB lists as vouched-for sender > [205.201.128.47 listed in iadb.isipp.com]
