On Wed, Jan 30, 2019 at 2:51 PM Paul C <[email protected]> wrote: > > mxtoolbox is a great tool to see almost all blacklists on your ips, as > Luciano mentioned, but yahoo doesn't report their own blacklists so > that tool can only tell you if the ips have been blacklisted in other > places. TSS09 is the same as yahoo's old TS03 which is a permanent > block as the message tells you, along with the 500+ error code meaning > it's not temporary. I don't think yahoo would remove it, they may, but > isn't worth the trouble in my opinion, they will likely not tell you > much except keep linking a best practices web page even after you keep > repeating that you just got the ips (or anything else you say). I have > dealt with this myself before, if they do end up helping you I would > be interested in hearing the process, but just try to get new ips, > whether you change providers or not. > > I can tell you there is no service anywhere that can help you and that > no one on this list can either. It has nothing to do with your dns > setup or the email you send, ips were blocked before you got them, and > yahoo doesn't listen to you because they have no way of knowing if you > are the same mailer who was blocked claiming the same story. not all > ips on the /24 may be blocked so if you are stuck with these ips test > them all, but I would replace that entire /24 if you can as the > reputation of that subnet has already been ruined. > I find amusing they are taking this heavy handled approach with a "we are not let the likes of you make out garden insecure, scum!" and yet how many times they got hacked?
> Paul > > > On Wed, Jan 30, 2019 at 12:55 PM Robert Mann <[email protected]> wrote: > > > > Even though this is not a postfix specific issue I was hoping someone in > > the community could help with this issue. > > > > We recently changed IP addresses as we purchased a /24 to use as we plan to > > move Internet service provides in the near future. > > > > Once we did this we now get the following from yahoo.com when trying to > > send email to anyone on their system. > > > > [email protected]: host mta7.am0.yahoodns.net[67.195.229.59] said: 553 5.7.2 > > [TSS09] All messages from x.x.x.x will be permanently deferred; > > Retrying will NOT succeed. See > > https://help.yahoo.com/kb/postmaster/SLN3436.html (in reply to MAIL FROM > > command) > > > > We have insured that we have forward and reverse dns setup correctly. We > > do DMARC, DKIM and SPF for the email we send out. > > > > I have sent several requests via the yahoo postmaster portal to resolve > > this but it has been weeks now with no resolution. The portal is more for > > yahoo.com users and not bulk email senders like us. > > > > We don't send spam or marketing emails. We do have websites that send out > > newsletters, alerts and business email. > > > > Does anyone have any ideas or suggestions or even know of a service that > > can help with these types of issues? > > > >
