Glad to hear. In any case any usage of submission port, both to local and external domains, should be done only by authenticated users.

Tonino


Il 23/03/2024 12:38, Gary Bowling ha scritto:

Thanks, the error turned out to be solved by fixing up the /var/qmail/supervise/submission/run file to accept starttls and encrypted passwords.


On 3/23/2024 4:20 AM, Tonix wrote:
"However, when I try to send to external domains, I get the error that CHKUSER rejected relaying, saying "client not allowed to relay"".

That means sending user is not authenticated.

Probably your submission port accepts messages from anyone for local domains.

Tonino


Il 23 marzo 2024 00:35:38 CET, g...@gbco.us ha scritto:

    Ok, in my old server's /var/qmail/supervise/submission/run file,
    I had the following line. export REQUIRE_AUTH=1 In the new
    server, it had the following line. export SMTPAUTH="!" I'm not
    sure what the syntax on the new server line means. I changed the
    line to be like my old server and now sending mail through port
    587, with starttls for local domains. However, when I try to send
    to external domains, I get the error that CHKUSER rejected
    relaying, saying "client not allowed to relay" Maybe I'm making
    progress, but don't know. Gary On 2024-03-22 19:30, g...@gbco.us
    wrote:

        Well, this is the way many of my clients are already
        configured... So I have to figure out a way to make it work,
        or go back to my old server. Not really an option to
        reconfigure all my clients. Thanks, Gary On 2024-03-22 19:26,
        Remo Mattei wrote:

            You need to use password not encrypted. Inviato da iPhone

                Il giorno 22 mar 2024, alle ore 15:30, g...@gbco.us ha
                scritto:  I can send mail via the roundcube web
                mail. That's where this message is coming from. When
                sending mail from thunderbird, I have my smtp server
                set up in my client as Port 587 startTLS Encrypted
                Password This is the same as I had with a number of
                clients on my old server. When I try to send email, I
                get this error. Sending of the message failed. An
                error occurred while sending mail: Outgoing server
                (SMTP) error. The server responded: TLS no valid RSA
                private key: error:FFFFFFFF80000002:system
                library::No such file or directory (#4.3.0). To
                create certificates on my new server. I retrieved
                certs from letencrypt and then did this. cp -p
                /var/qmail/control/servercert.pem
                /var/qmail/control/servercert.pem.lastmonth cat
                
/etc/letsencrypt/live/mail.gbco.us/{cert,chain,fullchain,privkey}.pem
                > /var/qmail/control/servercert.pem chown
                vpopmail:qmail /var/qmail/control/servercert.pem
                chmod 640 /var/qmail/control/servercert.pem Any idea
                what's going on with this error? thanks, Gary
                
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