Your message is clear and professional! Here's a slightly refined version for smoother flow and conciseness:
We have resolved the issue with the mirror. Between November 30th and December 1st, we experienced problems while fixing the update process of our mirror. However, everything is working properly now. We would be happy to hear if anything is missing so that we can proceed with becoming ftp.mx.debian.org. Thank you! Greetings,Enrique (ksobrenat32)
