Mailing List ecs-isp@2rosenthals.com Archived Message #1152

Fra:	"Steven Levine" <ecs-isp@2rosenthals.com>	Full Headers Undecoded message
Emne:	Re: [eCS-ISP] Anyone else seeing issues today with AT&T and RDNS failures when sending?
Dato:	Thu, 20 Feb 2025 14:11:28 -0800
Til:	"eCS ISP Mailing List" <ecs-isp@2rosenthals.com>

In <list-12280221@2rosenthals.com>, on 02/20/25 at 03:35 PM, "Lewis G Rosenthal" <ecs-isp@2rosenthals.com> said: Hi there, >Today, att.net rejected mail from us to one of their subscribers with a >550 5.7.1 error: > <recipient-address @ att.net> > host ff-ip4-mx-vip1.prodigy.net [144.160.159.21] > SMTP error from remote mail server after MAIL FROM:<sender from the >2rosenthals.com domain>: > 550 5.7.1 Connections not accepted from servers without a valid >sender domain.flph829 Fix reverse DNS for 50.73.8.217 >secmgr-va.2rosenthals.com I get the same here ; <<>> DiG 9.11.37 <<>> -x 50.73.8.217 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 42869 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;217.8.73.50.in-addr.arpa. IN PTR ;; ANSWER SECTION: 217.8.73.50.in-addr.arpa. 3600 IN PTR secmgr-va.2rosenthals.com. ;; Query time: 246 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Thu Feb 20 14:12:39 PST 2025 ;; MSG SIZE rcvd: 92 A wed search for "flph829" results in a few hints that match your problem, but nothing recent. Steven -- ---------------------------------------------------------------------- "Steven Levine" <steve53@earthlink.net> Warp/DIY/BlueLion etc. www.scoug.com www.arcanoae.com www.warpcave.com ----------------------------------------------------------------------

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