On 4/19/20 10:36 AM, Tim Evans wrote: > On 4/19/20 12:28 PM, S.Bob wrote: >> All; >> >> >> I installed sendmail via yum, but if I test it like this: >> >> > >> The original message was received at Sun, 19 Apr 2020 10:02:56 -0600 >> from localhost [127.0.0.1] >> >> ----- The following addresses had permanent fatal errors ----- >> <sbob at quadratum-braccas.com> >> (reason: 554 5.7.1 Service unavailable; Client host >> [50.243.150.81] blocked using xbl.spamhaus.org.rbl.local; >> https://www.spamhaus >> .org/query/ip/50.243.150.81) > > Is 50.243.150.81 your system's IP address? If so, as this shows, that > IP is on spamhaus' blacklist of addresses. Thus, your sendmail is > working fine. Problem is elsewhere. > > anything I can do to fix it? > > -- `When you say "I wrote a program that crashed Windows", people just stare at you blankly and say "Hey, I got those with the system, *for free*".' (By Linus Torvalds)