Email doesn't working with [domain].info

Dear all,

I would like to ask for some help or any solutions or any ideas relate to Email doesn't working with [domain].info.

I do testing with [domain].com, results email's working well, but while i test with [domain].info Email doesn't sent at all.

Currently, I used Elgg version 1.8.

I am looking forward to hearing from you all.

regards,