Missing Perth man John Tarasenko sends 'final' email to wife

John Tarasenko was last seen by his estranged wife after their separation but on Wednesday the 50 year old sent an email to his ex-wife's mail account titled "Final".

In it, he specified what she was to do with their assets and money once he had passed away.

A police spokesman said there were concerns about his behaviour in the three weeks leading up to the separation

"Despite extensive inquiries by police and family his whereabouts are not known. Serious concerns are held for his safety and welfare," he said.

Mr Tarasenko is described as about 175 centimetres tall with light grey/brown hair and green eyes. He has medium build and a fair complexion.

He is believed to be driving a 1998 white Mazda B2600 utilitywith the registration 1ERC364.

Meantime, police are seeking information regarding a missing couple, 49-year-old Jennie and 47-year-old Raymond Kehlet, who were last seen at the area called Table Top just out of Sandstone on March 22.

Sandstone is about 660 kilometres north of Perth and 160 kilometres east of Mount Magnet.

Mrs Kehlet is described as fair skinned, with a medium build, about 157 centimetres tall, with brown hair and green eyes. Mr Kehlet is described as fair skinned, with a medium build, about 170 centimetres tall, with brown hair and blue eyes.

Mrs Kehlet was last seen wearing a yellow fluorescent work shirt and Mr Kehlet was wearing all blue clothing.

Police were alerted to the couple not being seen for more than a week on Wednesday and a land and air search has been underway since then.

Police from Mount Magnet, Morawa and Geraldton are involved in the search, as well as SES Volunteers, shire workers and residents.

Police and family hold concerns for the welfare of the couplle.

Anyone with any information on either case should call Crime Stoppers on 1800 333 000.

*Support is available for anyone who may be distressed by calling SANE Helpline 1800 18 7263; Lifeline 131 114; beyondblue 1300 22 46 36.