This person messaged me saying: "Hi there,interested in your car on casrsales,please reach me at (ozymandarin @ gmail.com) for further contact as I prefer email.Regards Stanley"
Other sites have comments saying this is spam.

20 Oct received following txt message from 0427 272 843 in reply to ad in Trading post: Hello there, interested in your ad on tradpst, please reach me at (gypsoul @ bigpond.com) for further contact as I prefer email.Cheers Jane
So I sent email from a safe email account, and received back almost immediately:

just wanted to make sure nothing has been left out
What is your final asking price and do you have a Pay Pal account,as i will be paying the with Pay Pal and have pick up done from your location as i am away at the moment.In the meantime,can you send me more photos?
Regards
Jane

Sent back ... which ad are you interested in...
so far no contact

Scammers

Had the following message from this number "Hello there,interested in your car,please reach me at (gy***ul @ bigpond.com) for further contact as I prefer email.Cheers Jane"

Sounds like a scam to me..

Had message from this number regarding gumtree ad, from Jane but only wanting contact using email gypsole @ bigpond.com

Received same messages as JS 21 October 2016 and Garvan

Had the same contact regarding a caravan and wanting to use Paypal.

My number is being used by scammers(sms), DO NOT reply. If I want to buy your car I will call and talk to you. Cheers Jon

My number is being used by scammers, DO NOT reply. If I want to buy your car I will call and talk to you. Cheers

Jane Kelly ? messaged about caravan sale on Trading Post, only contact by e-mail, very suspicious, replied and had no further contact from them.

I also had a message from this number "Hello there,interested in your car,please reach me at (gypsoul @ bigpond.com) for further contact as I prefer email.Cheers Jane"

Definitely suspicious!