yahoo sucks
why would I ever pay yahoo any money. about 12 years ago, suddenly about 1/5th of all my outgoing emails were not going out. I did everything possible to get help, without ANY help. Even wrote to the CEO without any reply. Unfortunately I pay Yahoo for my domain which I'll finally get off my butt and figure out how to transfer to another organization that has some sense of responsibility. clear enough?

Hi there, I’m sorry to hear that! We’d like to further investigate this, can you message us directly on Twitter at @YahooCare or on Facebook on our Yahoo Customer Care page? In case you do not have a social media account, please contact us at help.yahoo.com
Thank you!
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Michael Grenadier commented
and in case you didn't guess, moved my main email account to google where everything has worked without issues... used to have yahoo plus (which wasn't worth the imaginary paper it wasn't printed on)