On Thu, 9 Aug 2001 12:42:18 -0400 Matt Zito wrote:
Hello,
(...)
> Which worked, except that in messages with extremely long subject lines, the
> user's mua would insert a newline into the subject, which would result in a
> message with the error:
> --------
> This message was created automatically by mail delivery software.
> A message that you sent could not be delivered to one or more of its
> recipients. This is a permanent error. The following address(es) failed:
> adam@???:
> Expansion of "${expand:
> ${lookup mysql {select subject from mailrouting where
> local_part='${quote_mysql:$local_part}' and
> domain='${quote_mysql:$domain}'}{$value}}}" in virtvacation transport
> contains non-printing character 10
> ---------
> So, we modified the "subject" directive to read:
> subject = ${expand: ${escape: ${lookup mysql {VIRTSUBJECT}{$value}}}}
> Hoping that that would cause the newline character to be escaped. That did
> not fix the problem, and it became obvious why when we realized we were
> actually escaping the response from the mysql server, which has no newlines
> in it. We also tried ${escape 'ing the $value key, but it seems to have no
> effect. Is there a workaround for this? Are we doing something wrong? Any
> help would be greatly appreciated.
I have no idea about mysql part, but basically I do cut too long
subject lines, escape and quote them:
${quote:${escape:${length_50:$header_subject:}}}
My whole subject replace looks as follows, with the additional
bonus to put in a subject when there is none or the original
is empty.a
subject = ${if def:header_subject:\
{${if match {$header_subject:} {^\\s*\$}\
{I am on vacation}\
{VACATION-RE: ${quote:${escape:${length_50:$header_subject:}}}}\
}\
}\
{I am on vacation}\
HTH,
Bernard Stern, SWITCH
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