Re: [mailop] sbcgobal.net/prodigy.net misconfigured server?

2021-07-20 Thread John Capo via mailop
On 2021-07-19 19:27, Ken Johnson via mailop wrote: An email I tried to send there returned with: : host al-ip4-mx-vip2.prodigy.net[144.160.235.144] said: 550 5.7.1 Connections not accepted from servers without a valid sender domain.alph752 Fix reverse DNS for 173.228.157.53 (in

[mailop] sbcgobal.net/prodigy.net misconfigured server?

2021-07-19 Thread Ken Johnson via mailop
An email I tried to send there returned with: : host al-ip4-mx-vip2.prodigy.net[144.160.235.144] said: 550 5.7.1 Connections not accepted from servers without a valid sender domain.alph752 Fix reverse DNS for 173.228.157.53 (in reply to MAIL FROM command) For me, a reverse lookup on