The server “imap.telus.net” refused to allow a connection on the default ports.

[gojets25]

this alert has recently showed up when I open my Mail app... I am using macOS Monterey v12.6... what is this?

[NFtoBC]

I’ve had that happen on rare occasion. I usually switch to Google’s server on my gmail account for the particular email in question.

[gojets25 · Accepted solution]

issue was solved by Apple Support

[mojeff67]

would you be able to share the solution, I get the same error.