I'm not sure what I've done to break my qmail+vpopmail (+qmail-scanner +courier-imap+squirrelmail) installation, but I can no longer seem to relay through it via smtp, even through local squirrelmail:
Requested action not taken: mailbox name not allowed Server replied: 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1) running Gentoo net-mail/dot-forward-0.71-r1 net-mail/queue-fix-1.4-r2 mail-mta/qmail-1.03-r13 net-mail/qmailanalog-0.70-r1 net-mail/qlogtools-3.1 net-mail/vpopmail-5.4.6-r1 mail-filter/spamassassin-3.0.2-r1 app-antivirus/clamav-0.83 mail-filter/qmail-scanner-1.24 net-mail/qmailadmin-1.2.1 net-mail/courier-imap-3.0.8 net-mail/vqadmin-2.3.6 mail-client/squirrelmail-1.4.4 my /etc/tcp.smtp looks kosher, and I didn't forget to rebuild /etc/tcp.smtp.cdb: 127.0.0.:allow,RELAYCLIENT="",RBLSMTPD="",QMAILQUEUE="/var/qmail/bin/qmail-scanner-queue" 172.16.7.:allow,RELAYCLIENT="",RBLSMTPD="",QMAILQUEUE="/var/qmail/bin/qmail-scanner-queue" 172.16.28.:allow,RELAYCLIENT="",RBLSMTPD="",QMAILQUEUE="/var/qmail/bin/qmail-scanner-queue" 206.229.186.195:allow,RELAYCLIENT="",RBLSMTPD="",QMAILQUEUE="/var/qmail/bin/qmail-scanner-queue" 12.26.192.:allow,RELAYCLIENT="",RBLSMTPD="",QMAILQUEUE="/var/qmail/bin/qmail-scanner-queue" 63.167.138.:allow,RELAYCLIENT="",RBLSMTPD="",QMAILQUEUE="/var/qmail/bin/qmail-scanner-queue" 12.217.120.111:allow,RELAYCLIENT="",RBLSMTPD="",QMAILQUEUE="/var/qmail/bin/qmail-scanner-queue" :allow,QMAILQUEUE="/var/qmail/bin/qmail-scanner-queue" and I my /var/qmail/control/rcpthosts looks like: dbns.grasktruckgroup.com dubuquepeterbilt.com mail.dubuquepeterbilt.com decordelights.us mail.decordelights.us bastardopsfromhell.com mail.bastardopsfromhell.com when using squirrelmail, I get this in my qmail-smtpd log: @4000000042602f013035a2fc tcpserver: status: 1/40 @4000000042602f013046e8dc tcpserver: pid 7927 from 127.0.0.1 @4000000042602f013062778c tcpserver: ok 7927 localhost:::ffff:127.0.0.1:25 localhost:::ffff:127.0.0.1::54921 @4000000042602f013336f064 tcpserver: end 7927 status 256 @4000000042602f0133370004 tcpserver: status: 0/40 (there are no corresponding entries in the qmail-send log) users are having similar problems with thunderbird, also from ip's listed in tcp.smtp I'm leaning toward a qmail issue vs. a vpopmail issue, but I admit I don't know how much vpopmail is involved w/ the smtpd process. this is the relevant process running on the server: /usr/bin/tcpserver -p -v -R -x /etc/tcp.smtp.cdb -c 40 -u 201 -g 200 0.0.0.0 smtp /var/qmail/bin/qmail-smtpd mail.dubuquepeterbilt.com /var/vpopmail/bin/vchkpw /bin/true