Today, this could still theoretically be beneficial, but to a much lesser degree; aside from that, it's actually the # 1 way Google
identifies link spam, so I recommend avoiding it altogether.
Not exact matches
You will need to
identify spam backlinks to your hospital's site, compile a list of root domains, email webmasters and request
link removals, etc..
The guest post is quickly becoming the modern - day
link exchange, and the inbound
links generated from such posts to your firm's website are already being
identified by Google as potential
link spam.
The edit was
identified as adding vandalism, or
link spam to the page or having an inappropriate edit summary.
In the new Outlook.com you must click the Wait it's safe
link if you find emails incorrectly
identified as
spam.