php mail 503 error

[DangerD]

When i try to send mail
php mail()
i got 503 internal server error.

Apache running on same server works fine, configuration and paths same as in litespeed.

help plz.

 

[mistwang]

Please download 3.3.23 package and give it a try. Just change the version number in the download link to get it.
make sure the same php.ini is used by lsphp and apache php.

 

[DangerD]

Updated
got same error

503 Service Unavailable
The server is temporarily busy, try again later!
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[mistwang]

You should check error.log and stderr.log.
If used with cPanel, the log file is under /usr/local/apache/logs/, error_log and stderr.log