The dev/testing versions got some new patches

regarding the auth you ll get all infos here :

* *SMTPAUTH*    *Meaning*
""    Left blank to allow Authentication types "PLAIN" and "LOGIN"
"+cram"       Add "CRAM-MD5" support
"cram"        Just (secure) "CRAM-MD5" support, no other types offered
"!"   Enforcing SMTP Auth (of type "LOGIN" or "PLAIN")
"!cram"       Enforcing SMTP Auth of type "CRAM-MD5"
"!+cram"      Enforcing SMTP Auth of type "LOGIN", "PLAIN", or "CRAM-MD5"
"-"   Disabling SMTP Auth (for a particular connection)

The complete patch info is listed here :


On 9/6/19 11:54 PM, Charles Hockenbarger wrote:
Crikeys, I'll have to double check with the other admin that she didn't do something without telling me, or we have a different serious problem.

That looks to have solved the AUTH issue, though.

Thank you for the quick and excellent help, Eric.  I only wish I had the knowledge level to be this helpful to the rest of the group.

On Fri, Sep 6, 2019 at 4:37 PM Eric Broch < <>> wrote:

    It looks like you did do an upgrade from the testing repo, not
    sure how.

    qmail-1.03-3.1.1 was just put out yesterday


    export REQUIRE_AUTH=1


    export SMTPAUTH="!+cram"

    stop and start qmail

    On 9/6/2019 3:31 PM, Charles Hockenbarger wrote:
    I did not do an upgrade, no.  I don't  have automatic yum updates
    configured for the server.

    Sorry, should have thought to include this right off the bat.

    [root@mail ~]# rpm -qa | grep qmail
    [root@mail ~]#

    QMAILDUID=`id -u vpopmail`
    NOFILESGID=`id -g vpopmail`
    MAXSMTPD=`cat /var/qmail/control/concurrencyincoming`
    export REQUIRE_AUTH=1

    exec /usr/bin/softlimit -m 128000000 \
        /usr/bin/tcpserver -v -R -H -l $HOSTNAME -x $TCP_CDB -c
    "$MAXSMTPD" \
        -u "$QMAILDUID" -g "$NOFILESGID" 0 587 \
        $SMTPD $VCHKPW /bin/true 2>&1

    On Fri, Sep 6, 2019 at 4:25 PM Eric Broch
    < <>> wrote:

        What version of qmail are you running?

        # rpm -qa | grep qmail

        # cat /var/qmail/supervise/submission/run

        Send results

        On 9/6/2019 3:17 PM, Eric Broch wrote:
        > Have you upgraded?
        > On 9/6/2019 2:26 PM, Charles Hockenbarger wrote:
        >> I am hoping someone has had a similar situation or a
        place to point
        >> me as I'm at my wits end and have users unable to send emails.
        >> I've had a toaster running for several years. This
        particular system
        >> has been running without issues for roughly 12 months
        after migrating
        >> from CentOS 6 to CentOS 7.
        >> I didn't make any changes yesterday, and email was flowing
        >> This morning, we aren't able to authenticate, with Outlook
        >> 'None of the authentication methods supported by this
        client are
        >> supported by your server'. Multiple Android clients are
        >> similar errors. The firewall in front of the server and
        iptables have
        >> 587 open (again, no changes intentionally made in the
        >> I can connect with openssl s_client -starttls smtp -crlf
        >> <server>:587. What is missing is the AUTH line and if I
        try to
        >> execute an AUTH, I get 503 auth not available (#5.5.3).
        Selinux is
        >> disabled.
        >> My /var/log/maillog stops reporting any vchkpw-submission
        >> around 0600 this morning. I've searched and not seen where
        >> just stops doing anything.
        >> I'm investigating whether the server has been compromised,
        >> nothing is showing so far, and this is a very odd behavior
        to execute
        >> if it were.
        >> Any thoughts?
        >> My users have been down since this morning, and I'm flummoxed.
        >> Thank you!
        >> Chas
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