[support] Mimemail and mass mailing

[Chris Johnson]

> Does it also mean that the mimemail solution is not adequate for large
> lists on shared servers?

Yes, that's correct.  Mailing list managers like EZMLM and Mailman
have many optimizations built in in order to handle large amounts of
mail.  Sending via PHP's mail interface (from Drupal) will likely run
into resource problems.

The only problem is defining exactly what a "large list" is.  But at
some size and larger, mimemail will not be adequate.

..chrisxj