If you put iphmx into google, you get a clear statement in the first page of responses that says iphmx is controlled by Cisco. But the rejection message is telling you to contact the recipient - not the filter owner.
laura > On 28 Jun 2022, at 11:09, Sidsel Jensen via mailop <mailop@mailop.org> wrote: > > Hi > > I'm trying to locate a contact to mx1.hc1932.iphmx.com - does anybody know > who to reach out to? They don't respond through ab...@enom.com > <mailto:ab...@enom.com> (which was the only address whois showed as > everything else was heavily redacted) > > I'm trying to solve a deliverability problem towards them: > > host mx1.hc1932.iphmx.com[216.71.154.96] refused to talk to me: > 554-esa6.hc1932.iphmx.com 554 Your access to this mail system has been > rejected due to the sending MTA's poor reputation. If you believe that this > failure is in error, please contact the intended recipient via alternate > means. > > I guess mailop applies as "alternate means" ;-) > > Kind Regards, > Sidsel Jensen > > Architect of Deliverability and Abuse @ Open-Xchange > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://list.mailop.org/listinfo/mailop -- The Delivery Experts Laura Atkins Word to the Wise la...@wordtothewise.com Email Delivery Blog: http://wordtothewise.com/blog
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