from field in mail output

[jolly]

i produced a script that mails the contents of a form..is it nessesary to include a "from" header in the message?

thanks in advance

[[deleted]]

Not if you are sending a plaintext email.

[jolly]

how about file attachments? do they still count as a plain text email

[[deleted]]

Nope.
Plaintext is just text, like what I am typing now.