[mailop] Proofpoint SSL Cert Expired

Is there anyone from Proofpoint on the list or does anyone know someone at Proofpoint they could reach out to? Seems their SSL Cert for ipcheck.proofpoint.com expired last night. Kind regards, Jeremy -- Jeremy Weiss | Enterprise Technical Account Manager Mailgun by Sinch jeremy.we...@sinch.com

[mailop] GMX.net

Hello Mailops, I have a customer that is receiving the following error message from GMX.net: gmx.net (mxgmx016) Nemesis ESMTP Service not available No SMTP service Bad DNS PTR resource record. For explanation visit https://www.gmx.net/mail/senderguidelines?ip=XX.XXX.XXX.XXX&c=rdns But this custo

[mailop] Contact for BigPond (Australia)

Hi y'all, Is there a contact for Telstra/BigPond on this list? Or does anyone have a contact? Thanks, Jeremy -- Mailgun | Technical Account Manager Phone: 210.384.1815 Add me on LinkedIn