root mail file corrupted

UNIX Solaris
1

Hi,

We were facing cron job failures and raised a case to our UNIX team, they fixed the issue and said cron job failures due to root mail file corruption.

My questions are,

  1. Whether root mail file corruption cause cron job failures?
  2. Do we have any size limitation for root mail file?
  3. How to prevent these failures?

Thanks in advance,
Paventhan:)