The love and hate of bots. They index, spam, scrape, hack, probe and who knows what else people program them to do. They eat up resources which can greatly reduce the performance of your web site. We need the good ones to index our site and bring us visitors so how do we separate the bad ones from the good ones?
Another great use for email piping is parsing bounce emails. This is very useful if you have a mailing list and need to remove any invalid or old email addresses. Sending emails to invalid addresses can land you on domain blacklists for possible spamming so it is definitely beneficial to trim any mailing lists you send out to.
Back to the world of email piping. In my third instalment we’re going to look at saving attachments in emails sent to the piping script. If you need to get caught up, read through my and .