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Due to some reason, I can only use SMTP to send mail in the current server. But neither SMTP nor SMTPAuth can work. The returned error info is:
Errors
SMTP Error: Could not authenticate
Could not send mail to xxx.
Sending message completed.
The version of XOOPS is XOOPS 2.0.13. I survey lots of kind of problems but still haven't got any clue. I really really need your help!!