A security camera photo of two men spoken to by police in relation to anti-Semitic posters put up at the Queenstown Resort College.

Two men have been trespassed from a Queenstown college after police spoke to them in relation to anti-Semitic posters put up at the site.

The Kiwi pair, aged 25 and 26, are not facing charges in relation to the incident.

Senior Sergeant Paula Enoka said they had spoken to the men in the CCTV footage and there was "no offence", but both had been trespassed from Queenstown Resort College.

Posters containing Nazi swastikas and anti-Jewish rhetoric were found around the college last week and were taken down by staff.

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A security camera still posted on a police Facebook page showed two men – one in dark glasses, camo pants and wearing a "Trump" t-shirt – entering the tertiary institute.

Police sought the public's help in identifying the duo and later removed the post after police made contact with them.

The man who was at the rear of the photo told Stuff he "did not put any posters up", but would not comment further.

On Wednesday, New Zealand Jewish Council president Stephen Goodman said those types of actions were "not acceptable".

Sometimes people did things like this without realising what impact it might have, he said.

On Tuesday, Queenstown Resort College chief executive Charlie Phillips said the posters were put up and, once alerted to them, staff took them down and contacted police.

The incident comes after an open letter signed by 27 prominent Kiwis warned freedom of speech was under threat in New Zealand's universities.