Dan Herbon wrote:
One of our clients is attempting to send one of my employees a PDF file
but it keeps getting rejected with the following message:
-------
qmail-smtpd: bad-loader-reject: MAILFROM:<[EMAIL PROTECTED]>
RCPTTO:<[EMAIL PROTECTED]>
-------
I believe this logging was recently added and I’m trying to figure out
what this means.
A message was rejected because it contains some of the strings found in
/var/qmail/controls/badloadertypes.
Check your /etc/tcprules.d/tcp.smtp for BADLOADERTYPE value. qmail-smtpd
looks in a message for any sting starting with letter specified by
BADLOADERTYPE value and is listed in /var/qmail/controls/badloadertypes.
If it founds any - it rejects a message.
That was implemented by DJB as a poor-mans style of content filtering,
allowing to reject messages containing stings like '32.dll', e.t.c.
Now it is not needed anymore, as clamav scanning in general gives better
results and less false positives.
To disable badloader scanning, set BADLOADERTYPE="" in tcp.smtp, and
comment out all lines in /var/qmail/controls/badloadertypes by placing
hash character to the beginning of each line.
--
Best regards,
Alexey Loukianov mailto:[EMAIL PROTECTED]
System Engineer,
IT Department,
Lavtech Corp.
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