Trying those, thanks! Already tried similar role accounts for their other domains, but those bounced...
-Tim On Wed, Oct 30, 2019 at 5:50 PM Chris Woods < [email protected]> wrote: > It's an RBL-style block response but it may be due to an internal > blacklist. Have you contacted optimum/Optonline/Cablevision? > > Found [email protected] on https://www.optimum.net/pages/ReportAbuse.html if > you haven't already tried them... Perhaps also [email protected]? (tech > contact on ARIN for optonline's block incorporating various mail-related > servers) > > Best of luck > Chris > > On Wed, 30 Oct 2019, 21:15 Tim Starr via mailop, <[email protected]> > wrote: > >> My client the New York Post is getting this intermittent bounce code I've >> never seen before from optimum.net: >> >> 550 5.7.1 Unacceptable Sender address @be6.maropost.com from host >> 162.247.112.102 : denied - 01 >> >> What does that mean? I'm trying abuse@ & postmaster@ the mailbox >> provider, but are there any better channels to reach them? >> >> Tim Starr >> Senior Director - Deliverability >> Maropost.com >> _______________________________________________ >> mailop mailing list >> [email protected] >> https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >> >
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