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I’m using Other SMTP. I set everything up including putting the password in the wp-config file. The test email from WP Mail SMTP sends successfully. Test emails from within MemberPress also send successfully.
However, the transaction-related emails (i.e. not tests) in MemberPress generate authentication errors in WP Mail SMTP. It can’t be a password issue because the WP Mail SMTP test email gives success, but I double/triple checked the password just to be sure. Finally, I remove the password from wp-config and just pasted it straight into WP Mail SMTP. Since doing that, all emails (tests and real) send as expected.
I am wondering what would cause this behavior. Perhaps there is something on the host server that needs to be adjusted? I would prefer to keep the password in wp-config if possible, but if emails don’t send when the password is store there than that’s not an option.
TIA for any ideas on this.