One willowy beauty is a hard-up nurse who is desperate to leave her impoverished homeland and start a new life with a man in the West. Another is a medical student, though she more closely resembles a nymph-like model from the pages of a glossy magazine.And a third is a glamorous 23-year-old who calls herself "Anna Safina".
In one case, a member of a gang posed as a nurse using a photograph of the world-famous Bolshoi Ballet dancer Anastasia Volochkova.
One professional British man was so taken with the photograph that he sent "her" several thousand pounds, spurred on by a sob story from the nurse about her disabled mother who needed nursing care while she came to visit him in Britain.
In an email to one British man, Anna wrote: "I wish I could be with you.
I'm sure that together we will have a lot of fun and spend great time!
In reality, "Anna" was part of a scam masterminded in Yoshkar-Ola, the scale of which was revealed last week to The Mail on Sunday by the FSB, the Russian secret service, after a series of raids.
Thousands of people, including many lonely and gullible British men, have lost large amounts of money after entering into correspondence with women on websites, naively beguiled by their warm words, suggestive chat and the sexy pictures they attach to their emails.
The emails arrive with the subject line "For security purposes, your online account has been locked" and target Gumtree users in the UK. Account Status Notification - Westpac Phishing Attempt Stop Malvertising received an unsolicited email appearing to be from Westpac.
The emails arrive with the subject line "Account Status Notification".
The email pretends that the future victim did leave a message on a dating website but unfortunately Olga or Tatyana didn’t get back straight away. The following domains have been used in the Russian Dating emails: Hello!