Yahoo Mail not sending messages?

Yahoo Mail is not sending my messages. The last ten messages I have sent have not arrived at the destination e-mail. This has been the case for at least the past several hours. I have tested it with several e-mail addresses and domains. I even sent a message to myself and I did not receive it in my Inbox. Any idea what might be causing this and how I might solve it? I have contacted customer support but have not gotten any response as of yet.

Susie F2015-09-24T12:28:13Z

Getting a "message not sent" notice every time I try to send a mail. Sometimes takes 3 attempts to send it. Any ideas? Or should I just leave yahoo?

?2015-12-22T19:06:32Z

None of my emails are sending. I keep getting an error saying that I'm sending 'spam' even though I'm getting in contact with a client and fellow workers?

gabriel2014-10-24T07:05:16Z

The messages I appear to send today by hitting Send disappear, not even saved in draft. Can anything be done to resolve this?

?2015-05-31T17:25:23Z

I sometimes use my Yahoo Email for business and eems that if you send more than a few (more than a dozen or two) Emails a day it just freezes and wont attach any files to a draft or send the email.

salientfilm2014-03-30T10:05:20Z

yahoo is consistently failing with 'sending' messages. if it takes me longer than 30s to compose and click send i might as well give up or copy the msg and repaste in a new composition and click send immediately. immediately. or just use gmail.

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