Re: [mailop] AT&T blocking IP addresses

On 31/03/2022 13:45, Carl Byington via mailop wrote: On Wed, 2022-03-30 at 10:55 -0700, Michael Peddemors via mailop wrote: Imagine the day where you can't use email unless you use Gmail or o356. If that happens, there will be two mail systems (gmail/o365) and (everyone else). If the (gmail/

Re: [mailop] AT&T blocking IP addresses

-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On Wed, 2022-03-30 at 10:55 -0700, Michael Peddemors via mailop wrote: > Imagine the day where you can't use email unless you use Gmail or > o356. If that happens, there will be two mail systems (gmail/o365) and (everyone else). If the (gmail/o365)

Re: [mailop] AT&T blocking IP addresses

rsapps.net, anyone? I think we may have to agree to disagree on the requirements to run/operate a mail server. YMMV. -Original Message- From: mailop On Behalf Of Michael Peddemors via mailop Sent

Re: [mailop] AT&T blocking IP addresses

On 29/03/2022 13:49, Graeme Slogrove via mailop wrote: the world is moving to cloud. Conversely, it may not be best move, plenty of orgs in Australia went cloud and plenty reverted back. As for website/Email, cloud providers think they are the only ones who know how to do things, plenty ha

Re: [mailop] AT&T blocking IP addresses

et, anyone? I think we may have to agree to disagree on the requirements to run/operate a mail server. YMMV. -Original Message- From: mailop On Behalf Of Michael Peddemors via mailop Sent: Tuesday, 29 March 2022 12:00 PM To: mailop@mailop.org Subj

Re: [mailop] AT&T blocking IP addresses

On 29/03/2022 08:30, Graeme Slogrove via mailop wrote: We are actively using the new IP ranges as published a few weeks ago, everything seemed fine until this morning Server refused mail at MAIL FROM - 553 5.3.0 flpd577 DNSBL:RBL 521< 52.165.84.32 >_is_blocked.For assistance forward this erro

Re: [mailop] AT&T blocking IP addresses

On 2022-03-28 17:58, Jay Hennigan via mailop wrote: On 3/28/22 15:30, Graeme Slogrove via mailop wrote: For assistance forward this error to abuse_...@abuse-att.net Did you do that? Personally I've done that many times. Seems like you have to know someone,

Re: [mailop] AT&T blocking IP addresses

On 3/28/22 15:30, Graeme Slogrove via mailop wrote: For assistance forward this error to abuse_...@abuse-att.net Did you do that? -- Jay Hennigan - j...@west.net Network Engineering - CCIE #7880 503 897-8550 - WB6RDV ___

Re: [mailop] AT&T blocking IP addresses

And once again.. NetRange: 52.145.0.0 - 52.191.255.255 CIDR: 52.152.0.0/13, 52.146.0.0/15, 52.145.0.0/16, 52.148.0.0/14, 52.160.0.0/11 NetName:MSFT NetHandle: NET-52-145-0-0-1 Parent: NET52 (NET-52-0-0-0-0) NetType:Direct Allocation OriginAS: Organiz

[mailop] AT&T blocking IP addresses

We are actively using the new IP ranges as published a few weeks ago, everything seemed fine until this morning Server refused mail at MAIL FROM - 553 5.3.0 flpd577 DNSBL:RBL 521< 52.165.84.32 >_is_blocked.For assistance forward this error to abuse_...@abuse-att.net