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 -----
<s...@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.




--
Tim Evans                       |5 Chestnut Court
443-394-3864                    |Owings Mills, MD 21117
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