Hi List,

It seems we have more simscan issues with qq soft rejects of late though this has been plaguing qmail for a very long time. I'm sick of this issue and decided to build a version of simscan with more extensive debugging using thelibexplain <http://libexplain.sourceforge.net/> libraries.


Simscan and [lib]explain[-devel] packages have been built with mock so they were built in a clean environment with the latest package requirements.

In order to use at this time simply download these packages (CentOS 6 or 7 x86_64):

ftp://ftp.qmailtoaster.org/pub/repo/qmt/CentOS/7/development/x86_64/explain-1.4-4.el7.centos.x86_64.rpm
ftp://ftp.qmailtoaster.org/pub/repo/qmt/CentOS/7/development/x86_64/libexplain-devel-1.4-4.el7.centos.x86_64.rpm
ftp://ftp.qmailtoaster.org/pub/repo/qmt/CentOS/7/development/x86_64/libexplain-devel-1.4-4.el7.centos.x86_64.rpm
ftp://ftp.qmailtoaster.org/pub/repo/qmt/CentOS/7/development/x86_64/simscan-1.4.0-2.qt.el7.x86_64.rpm

ftp://ftp.qmailtoaster.org/pub/repo/qmt/CentOS/6/development/x86_64/explain-1.4-4.el6.x86_64.rpm
ftp://ftp.qmailtoaster.org/pub/repo/qmt/CentOS/6/development/x86_64/libexplain-1.4-4.el6.x86_64.rpm
ftp://ftp.qmailtoaster.org/pub/repo/qmt/CentOS/6/development/x86_64/libexplain-devel-1.4-4.el6.x86_64.rpm
ftp://ftp.qmailtoaster.org/pub/repo/qmt/CentOS/6/development/x86_64/simscan-1.4.0-2.qt.el6.x86_64.rpm

Install as follows:

# qmailctl stop

# yum localinstall explain-1.4-4.el6.x86_64.rpm

# yum localinstall libexplain-1.4-4.el6.x86_64.rpm

# yum localinstall libexplain-devel-1.4-4.el6.x86_64.rpm

# yum localupdate/localinstall simscan-1.4.0-1.qt.el6.x86_64.rpm

add SIMSCAN_DEBUG="3" to /etc/tcprules.d/tcp.smtp

AND keep QMAILQUEUE="/var/qmail/bin/simscan"

# qmailctl cdb

# qmailctl start

The debugging will be in /var/qmail/control/smtp/current

# tail -f /var/log/qmail/smtp/current | tai64nlocal

Debugging info will be as follows:

The debugging info will be of the form below:

error no.: ('3') error msg.: ('This is an error')

Let me know how it goes

Eric

--
Eric Broch
White Horse Technical Consulting (WHTC)

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