It's a known bug with their email system. Bungie is fully aware and constantly looking for solutions. All you can do is keep checking and wait.
https://help.bungie.net/hc/en-us/articles/360049024152-Email-Validation-for-Bungie-net-Profiles
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Yea I did all that but there no way to confirm it worked. I just have to wait til my clan talk about the next email I missed
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SwatHere since 2008. Yup, I'm old. - old
It's just marketing emails. You're not missing anything important. All the information contained in those emails is also in the weekly news articles. https://www.bungie.net/en/News