smptmail.el sends mail using SMTP *instead* of sendmail. The workaround described by the poster 'fixes' the problem by disabling the use of sendmail.el. Thus, the bug is almost surely contained in sendmail.el.
-- Rodrigo Gallardo GPG-Fingerprint: 7C81 E60C 442E 8FBC D975 2F49 0199 8318 ADC9 BC28 Zenophobia: the irrational fear of convergent sequences.
signature.asc
Description: Digital signature
