I don't really have the chops to help you get educated about poetry, but I do read a lot of it, and post it sometimes, and every year since 2007 (I think?) I've posted a poem every day for National Poetry month, and so I have a lot of the stuff in my journal: http://musesfool.dreamwidth.org/tag/poetry - you might find something you like.
As for individual poets, I feel like you can't go wrong with Neruda's love poems. I also love Billy Collins and Dorianne Laux and Louise Gluck. Anne Sexton and Adrienne Rich are great.
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I also once bookmarked a bunch of online literary/poetry journals, though I can't say whether any of them still exist: https://pinboard.in/u:victoria.p/t:poetry
As for individual poets, I feel like you can't go wrong with Neruda's love poems. I also love Billy Collins and Dorianne Laux and Louise Gluck. Anne Sexton and Adrienne Rich are great.