Finally !! gheeshe! I hope it holds now.
Lightsimage was correct....the key is you MUST set an app password on your yahoo account. I had to set it up on my laptop, then retried lightimages steps. What a mess!
20 . Under "Outgoing Mail Server," use the following settings:
Host Name - smtp.bizmail.yahoo.com
User Name - Your Business Mail email address
Password - Your app password
Use SSL - On
Authentication - Password
Server Port - 465
https://help.yahoo.com/kb/yahoo-web-hosting/generate-password-sln15241.html
You must do on-demand passwords. I used to do 2-step, and when that didn't work, I switched to on demand tonight. Probably took me an hour to work thru this. And it was the 4th evening of trying to make it work.
http://www.ysmallbizstatus.com/status/archives/16152
| 09/21/15 | 01:25 PM PST: Business mail sending and receiving issues in iOS9 built in mail app The recent iOS9 upgrade for Apple phones and devices has caused sending and receiving issues for business email users using the built in mail app. Affected users are those that originally chose the “Yahoo Mail” default account type. To resolve this issue, affected users should first remove the business email account from the built in mail app. Then, add their business email account with the “Other” account type |