Hot answers tagged security
Ironically, this is exactly the kinds of things I study in my automated security analysis research. The bot is trying to take advantage of a PHP application vulnerability to read your password file. With success, the hacker would attempt to log into various resources including the PHP application that hosted the vulnerability, as well as, other PHP ...
You can probably expect a lot of spam. There are scripts available to obfuscate email addresses if you still want to display them. You can use Cloudflare for example. See email obfuscation link: https://support.cloudflare.com/hc/en-us/articles/200170016
From Wikipedia: Sender Policy Framework (SPF) is is an email validation system designed to prevent email spam by detecting email spoofing, a common vulnerability, by verifying sender IP addresses. You can probably fix this by changing the sender and perhaps the reply-to email addresses to match the originating domain name.
Only top voted, non community-wiki answers of a minimum length are eligible