Blockchain technology has already revolutionized finance thanks to Bitcoin. Now it's disrupting other areas, including the realm of data protection. Learn how blockchain is now being used to authenticate backup files and keep them safe from hackers.
!/[Tt][Oo].*@ourdomain\.com/ DISCARD not being sent to ourdomain.com
Empty lines never match, because some map types mis-behave
when given a zero-length search string. This limitation
may be removed for regular expression tables in a future
Many people overlook the main limitations of header and
o These rules operate on one logical message header
or one body line at a time. A decision made for one
line is not carried over to the next line.
Add your voice to the tech community where 5M+ people just like you are talking about what matters.
Join the community of 500,000 technology professionals and ask your questions.