Yes. But Iran was not an enemy of the USA;
Iran became one when it seized the embassy and held the staff hostage. It's been an avowed enemy of the U.S. ever since 4 Nov 1979. And most Americans would agree with that sentiment. As long as they shout "Marg Bar Amerika" (Death to America), they fit that definition, IMHO. And no U.S. President, no matter how well-meaning, is going to sanction a reapproachment as long as the current regime keeps up with that rhetoric.
Many of the former hostages still today remember their guards asking them what would happen if Reagan won. When they heard that he did, the guards became sullen and worried. Because they were afraid that once Reagan took office, the B-52s would be in the air over Tehran. Not to mention that Carter's negotiators used Reagan's victory to tell the Iranians "We've got ten weeks to come to a deal. If not, you have to deal with Reagan. And he's not going to be as patient with you as we have been." The Iranians understood, and when there was a last-minute snag, the Iranians were reminded again: Deal now or deal with Reagan. The snag was worked out, and the hostage release took place. Now, was it a bluff? Who knows? But like I said, us kids picked up a lot, and we were wondering how long Reagan would give the Iranians before turning the bombers loose. Letters to the editor, op-eds, etc. all were asking that question. Finally, a number of hostages, in letters home, sent coded messages calling for military action. Like "Linebacker Three games and D-Models for Christmas", or "Curtis LeMay Stoneware."