Donald Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE’s first small-dollar fundraising may have raised $3.3 million dollars, but it also had a significantly high spam rate.

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The site Ad Age reported that email-tracking firm Return Path showed that 60 percent of those emails from the Trump campaign this week went straight to supporters' spam folders. Of those users that did receive the email in their inbox, only 12 percent opened it and 6 percent deleted it without opening it.

This was a marked increase in spam rate for emails from the Trump campaign, which Ad Age noted had been at only 7.9 percent in May. Return Path also added that even this nearly 8 percent rate is “considered very high by industry standards.”

Still, Trump’s campaign said the fundraising missive broke a record.

"The campaign raised $3.3 million on Tuesday and $3.4 million yesterday," campaign spokeswoman Hope Hicks said to Ad Age. "Only a portion of that was via email marketing and the remainder is attributed to online donations.”

"This is my first fundraising email I have sent on behalf of my campaign,” Trump touted in the fundraising pitch sent Tuesday. "That's right. The FIRST ONE.”