What should I look for???
I do have internet access (I can post this from the computer in question)
Mail app seemingly can randomly connect
Does not send on first try needs multiple "sends"
What iMac do you own, which version of Mac OS and you don't state if you can send or receive mail. Have you attempted all the steps in https://support.apple.com/guide/mail/troubleshooting-mail35552/mac
Version 10.14.6, MacMini (Late 2012).
Will sporadically send / receive email
I can access comcast and yahoo via their web browsers
I have confirmed, multiple times, the mail profiles have the right passwords
I can access the emails from my iPhone8 v 13.6.1 with the mail app and my MacBook Pro sorry its at work so I can't get OS version
I have looked at the referenced support document and believe I've checked all the steps
I continue to get the exclamation in the triangle alert after downloading messages and go back through the connection doctor
Let's start with are you accessing your Comcast-provided email via a web browser or with the Apple Mail app on your Mac? Do you get any types of errors?
If you are using the Mail app, then see if any of the following articles can help:
Comcast email used to connect, now won't. No changes to profile knowingly made
