I've started getting this error when sending mail to my QT over port 587:

        Communication Error: Cannot read data from socket (Resource temporarily 
unavailable)

Message sending just stalls for 60 seconds or so. It happens to me a few times 
a week, and sometimes I can't send mail at all, but I'll try the next day with 
success. The server was running a year error-free before this started happening 
a couple months ago. Anybody have an idea where to start troubleshooting?

The submission log shows this:

2008-03-03 23:27:30.170773500 tcpserver: status: 4/100
2008-03-03 23:27:30.170936500 tcpserver: pid 8172 from 76.231.248.67
2008-03-03 23:27:30.171041500 tcpserver: ok 8172 
mx.strangecode.com:72.32.88.155:587 :76.231.248.67::53261
2008-03-03 23:27:31.019259500 CHKUSER accepted sender: from <[EMAIL 
PROTECTED]:[EMAIL PROTECTED]:> remote <[192.168.2.2]:unknown:76.231.248.67> 
rcpt <> : sender accepted
2008-03-03 23:27:31.095999500 CHKUSER accepted rcpt: from <[EMAIL 
PROTECTED]:[EMAIL PROTECTED]:> remote <[192.168.2.2]:unknown:76.231.248.67> 
rcpt <[EMAIL PROTECTED]> : found existing recipient


[EMAIL PROTECTED]/1 ~]$rpm -qa | grep toaster
daemontools-toaster-0.76-1.3.2
courier-imap-toaster-4.1.2-1.3.6
qmailadmin-toaster-1.2.9-1.3.3
ucspi-tcp-toaster-0.88-1.3.4
ripmime-toaster-1.4.0.6-1.3.2
control-panel-toaster-0.5-1.3.3
isoqlog-toaster-2.1-1.3.3
qmailmrtg-toaster-4.2-1.3.2
libsrs2-toaster-1.0.18-1.3.2
ezmlm-toaster-0.53.324-1.3.2
maildrop-toaster-2.0.3-1.3.4
libdomainkeys-toaster-0.68-1.3.2
qmail-pop3d-toaster-1.03-1.3.14
vpopmail-toaster-5.4.13-1.3.3
clamav-toaster-0.90.1-1.3.11
qmail-toaster-1.03-1.3.14
autorespond-toaster-2.0.4-1.3.2
maildrop-toaster-devel-2.0.3-1.3.4
simscan-toaster-1.3.1-1.3.5
courier-authlib-toaster-0.59-1.3.4
ezmlm-cgi-toaster-0.53.324-1.3.2
spamassassin-toaster-3.1.8-1.3.7


Cheers!
Quinn

-- 
Strangecode :: Internet Consultancy
http://www.strangecode.com/
+1 530 554 9555

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