Please what will it take me to write a perl full functioning program to filter emails for specific rules? Will that be possible?

Please this is very urgen I need ideas.


The actual thing am trying to get is to write a perl program and attach to a mail server so that, when the mails come in, the perl script get call and then the perl program will let another external program that is not on the server run and check or filter the mails.

But is any other ideas are there, please they are all invited thank you.

Yes, very possible. Although, writing one from scratch seems very pointless, since there are so many programs out there already, that do exactly this.
Nope, not urgent for anyone here.
What 'other ideas' do you want?? Perl can easily do all of this, and has modules specifically written for POP/IMAP mail handling. Regex handling is built in. But when you say "mails come in, the perl script get a call"....not going to happen. The mail server isn't going to run your perl (or whatever other) program for you....that's why there are many mail-checking applications already out there. You can write that as part of your perl program, to check your incoming emails every so often, and do what you want if new ones come in.

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Here is a very popular one already done in Perl http://spamassassin.apache.org/

Thank you for the reply. But what I am looking for is not a spam program, though that is also good.

When you look at MDaemon, there is a content filter rule that, if a mail header contain to:someone@thisdomain then run a program. Their is an external program and I am looking for a way to put in a rule that, ok let this program run when a match is found.
I hope you got the ideas?

Thank you soo much for your corporations.

Sorry, what you wrote makes no sense.

You say yourself that mdaemon has a content filter rule, that if a condition is met, an external program runs. Which is what you're asking for, but you say that mdaemon won't work. (????)

Mdaemon already does what you're wanting, as would ANY other spam filter. Spam is filtered by many means, regex being one of them. Define your own conditions, and you're done.

I am only base my idea on what MDaemon has. There is a program in another box that will run to see if the incoming mail sender is in the database or not.

So I am looking for a way to make the mail server run that external program and base on the result to take action.

As previously said, mail servers do not run external programs. If you want it to, then grab the source code for postfix/sendmail/whatever, and add your functionality into it.

Otherwise, the mail servers CAN work with anti-virus/spam filter programs, which already have what you're looking for. Again, what you're wanting to do has already been done, numerous times.

Sorry, if I sound ignorance, but how can I add that functionality when installing postfix source code? I will be very grateful for your help.

Thank you for your replies.

You open up the source code, read it, then insert your own code into it, to do what you want.

If you don't know how to program, stick with something off-the-shelf, like any of the ALREADY WORKING programs that do exactly what you want.