This is resolved. the Configure SMTP plugin had credentials that were no longer valid.
I’m having this same issue, seems to have happened over the weekend. I have version 4.6 (listed in the description) as well.
I’m not able to switch default theme or deactivate any other plugins to see, any other tips I could try Takayuki?
had to work with several places to get this squared away, finally i was able to get it by updating the .htacess file to have https vs http infront of the name. I also used visual studio to search through all the files for instances referenced above and updated the http to https for them
guess it wasn’t just one easy update / plugin, but the combinations of changes brought the site back up.
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This reply was modified 9 years, 8 months ago by mitchell1087.
