Mail doesn't work

[gisxkddf]

Attention! The last email sent by your site was unsuccessful.

Email Source: WP Core

Mailer: Other SMTP
SMTP Error: The following recipients failed: zxcpch@articl.x10.mx: No such recipient here
For more details please try running an Email Test or reading the latest error event.

 

[RonMat]

Hi !!
I have same problem since 15 days ago !!! I already try several changes in MX DNS, certification and nothinh reached !!!

 

[gisxkddf]

Friends in misfortune. The administration has been ignoring us for a month now.