Bug report: LMTP/SIEVE redirect

[Christopher D. Audley]

I've identified a bug in the lmtpd handling of email that has been 
'redirect'ed with sieve.  When sending the email to the sendmail 
process, no check is made for lines containing a single period that need 
to be escaped.  The email is just read and pumped to sendmail in a tight 
loop:

    while ((i = prot_read(file, buf, sizeof(buf))) > 0) {
        fwrite(buf, i, 1, sm);
    }

I've verified this is a bug in 2.0.16, the code in 2.1.1 does not appear 
to have been modified in this regard.

Cheers
Chris