"email indicates" is a correct and usable phrase in written English.
You can use it to describe the idea that an email communicates a meaning or message: The email indicates that the meeting has been postponed.
The email indicates that a small group of senior staff are to examine the effect of a Brexit under the authority of Sir Jon Cunliffe, who as deputy director for financial stability has responsibility for monitoring the risk of another market crash.
'This email indicates a secret initiative by the administration to invite and orchestrate a lawsuit against itself seeking to discredit an official US government report on global warming dangers,' said Richard Blumenthal, attorney general of Connecticut, who has written to the White House asking for an inquiry.
Whitman's email indicates that the HP leadership team saw webOS could be "a platform that is both open and has a single integrated stack".
"Surely a priority for any health board is to deal with complaints in a compassionate and efficient way and this email indicates the chaotic state of the complaints process at Abertawe Bro Morgannwg University Health Board (ABMU)," said Mr Davies.
"Typically, checking someone's email indicates a lack of trust.
"As the subject line of this email indicates, and we suspect you already know, our friend Terry McAuliffe is running for governor of Virginia....forward this email with your own message encouraging your friends to make a contribution to Terry's campaign.
Wilman's email indicated the BBC would try to keep Top Gear going.
The complainant had received an email indicating that "the prize consisted of stay in a 4-star luxurious spa hotel".
Nandy said the email indicated the NSN had been given public money to act as "a propaganda machine for a political agenda".
Giving evidence at the same session, Colin Myler, who became editor of News of the World after Andy Coulson resigned over phone hacking at the paper, said it was "inconceivable" that Murdoch was unaware that the email indicated hacking went beyond a single rogue reporter at the Sunday newspaper.
Details are still sketchy at best but there are reports that the division is returning products to suppliers and an internal HP email indicating approaching layoffs.
