Re: sendmail_fix_line_length enhancement request

2020-06-22 Thread Wietse Venema
Dominic Raferd: > On 18/06/2020 17:17, Dominic Raferd wrote: > > On Thu, 18 Jun 2020 at 15:03, Wietse Venema wrote: > >> Dominic Raferd: > >>> I understand the reason for smtp_line_length_limit and for its default > >>> value of 998, which is of course good. > >> It breaks DKIM signatures, it is n

Re: sendmail_fix_line_length enhancement request

2020-06-22 Thread Dominic Raferd
On 18/06/2020 17:17, Dominic Raferd wrote: On Thu, 18 Jun 2020 at 15:03, Wietse Venema wrote: Dominic Raferd: I understand the reason for smtp_line_length_limit and for its default value of 998, which is of course good. It breaks DKIM signatures, it is needed only for mail that is sent via SM

Re: sendmail_fix_line_length enhancement request

2020-06-18 Thread Dominic Raferd
On Thu, 18 Jun 2020 at 15:03, Wietse Venema wrote: > > Dominic Raferd: > > I understand the reason for smtp_line_length_limit and for its default > > value of 998, which is of course good. > > It breaks DKIM signatures, it is needed only for mail that is sent > via SMTP, and worse, it breaks lines

Re: sendmail_fix_line_length enhancement request

2020-06-18 Thread @lbutlr
On 18 Jun 2020, at 09:24, Wietse Venema wrote: > @lbutlr: >> No, wrapping header lines does not affect DKIM if it is configured = >> properly. The correct setting is c=3Drelaxed which means that white = > > smtp_line_length_limit breaks DKIM relaxed mode, because it does > not wrap lines. That wo

Re: sendmail_fix_line_length enhancement request

2020-06-18 Thread Wietse Venema
@lbutlr: > No, wrapping header lines does not affect DKIM if it is configured = > properly. The correct setting is c=3Drelaxed which means that white = smtp_line_length_limit breaks DKIM relaxed mode, because it does not wrap lines. That would require an understanding of header or body contant tha

Re: sendmail_fix_line_length enhancement request

2020-06-18 Thread Wietse Venema
Dominic Raferd: > I understand the reason for smtp_line_length_limit and for its default > value of 998, which is of course good. It breaks DKIM signatures, it is needed only for mail that is sent via SMTP, and worse, it breaks lines in the middle of a multibyte character (and of course in the mid

Re: sendmail_fix_line_length enhancement request

2020-06-18 Thread @lbutlr
On 18 Jun 2020, at 05:38, Dominic Raferd wrote: > I understand the reason for smtp_line_length_limit and for its default > value of 998, which is of course good. > > But it is an occasional problem for me that this wrapping action is > only applied at smtp stage and not earlier; in particular it