 Questions and
Answers
Amy Rich
In the previous issue, the CheckRcvd ruleset from the sendmail spam question
had the following two lines:
R<?> $+ $| $+ $: $>LookUpDomain <$1> <?> <+ Connect> <$2>
R<?> <$+> $: $>LookUpAddress <$1> <?> <+ Connect> <>
These should actually be:
R<?> $+ $| $+ $: $>LookUpDomain <$1> <?> <$2> <+ Connect>
R<?> <$+> $: $>LookUpAddress <$1> <?> <> <+ Connect>
Or if you're using sendmail 8.12 instead of 8.11:
R<?> $+ $| $+ $: $>D <$1> <?> <+ Connect> <$2>
R<?> <$+> $: $>A <$1> <?> <+ Connect> <>
In the April issue there was a question about monitoring machine/room temperature.
Two additional suggestions have come in from our readers. Bob Sigillito suggests
a company called Sensatronics (http://senatronics.com/TempTrax/), and Craig
Dupree additionally suggests buying do-it-yourself kits from QKits (http://www.qkits.com)
for those people who are comfortable with soldering.
Q I'd like to add a disclaimer footer to every
message that goes through our mail server. I'm sure that someone's managed to
do this already, but I don't see anything in sendmail that seems workable.
A This problem is more difficult than it first
seems because the mail server has to deal with more than just plain text messages.
Tacking a footer onto something like a MIME message will break the message.
By itself, sendmail is not really a solution, but you can use libmilter and
something like MIMEDefang to add your footer to MIME structured messages.
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