"automatically presumed" is correct and usable in written English.
You can use it when you want to convey the idea that something is assumed or accepted as true without having to prove it. For example, "It is automatically presumed that everyone will do their part to help."
The government proposed that asylum claims from the 10 countries expected to join the European Union by 2004 be automatically presumed unfounded because the countries are "safe".
Some might have automatically presumed that working-class men would be the most bullishly traditional, while middle-class men would be the most enlightened and egalitarian, but it would seem not.
The attendance system the Board of Education used until this year automatically presumed students were present unless they were marked absent on scan sheets, which were fed into computers that tabulate daily systemwide attendance.
Someone in the stadium had an especially strong laser pointer, which they would direct toward the field any time an American player fell to the ground in agony, something the Mexican fans automatically presumed to be fake.
The Mayor of London, who has overall responsibility for the Metropolitan Police, said legislation should be introduced so that anyone visiting those countries would be automatically presumed to be terrorists unless they had notified the authorities in advance, and joined growing calls for Britons fighting abroad to be stripped of their citizenship.
Drawing on our findings, we suggest that the passivity of national regulators in the process of developing and interpreting (local or global) regulations should not be automatically presumed.
*Don't automatically presume it's OK to go topless.
"I don't think one should automatically presume its virtues," he said.
She said: "Because of my age, they look at me, and automatically presume I'm doing the wrong thing.
They did not automatically presume that minority groups are at a disadvantage.
People automatically presume it's something to do with us, but it wasn't".
