I\'m currently using a custom made library at my job. Until just rencently the library was working perfectly. It apparently return false since about today.
The libra
Is your assumption that the mail() function works one you have tested? I would check to make sure that the library isn't just passing a failure of the mail() function up.
If you have tested the assumption, I would review the return statements from the library and see if I could find what would cause a false value. That's often reasonably possible even in undocumented code.