hdr->env->from = rfc822_parse_adrlist (hdr->env->from, b);
/* same as for mutt_parse_rfc822_line():
* don't leave from info NULL if there's an invalid address (or
hdr->env->from = rfc822_parse_adrlist (hdr->env->from, b);
/* same as for mutt_parse_rfc822_line():
* don't leave from info NULL if there's an invalid address (or