Hello.
I'm running sendmail 8.15.2, delivering to Cytus IMAP 3.0.13.
From time to time, I receive some message that are refused and bounce.
Do to possible blacklisting, I *really* want to avoid bounces.
Here's a sample log:
sm-mta[97841]: 00DI1r4x097841: from=, size=37059,
class=0, nrcpts=1
Hi Andrea,
On 2020-03-17 20:57, Andrea Venturoli wrote:
From time to time, I receive some message that are refused and bounce.
Do to possible blacklisting, I *really* want to avoid bounces.
Here's a sample log:
sm-mta[97841]: 00DI1r4x097841: from=, size=37059,
class=0, nrcpts=1,
msgid=,
proto
On Tuesday 17 March 2020, Andrea Venturoli wrote:
> From time to time, I receive some message that are refused
> and bounce. Do to possible blacklisting, I *really* want to
> avoid bounces.
I use Sendmail+Cyrus a very long time and I not remember this
problem exactly. Cyrus is not receive messa
On 2020-03-17 11:58, Deborah Pickett wrote:
Hi Andrea,
Hello and thanks a lot for your interest.
Finally I get some useful information on this!
The status 5.6.7 seems to be related to encodings. It's defined in RFC
6531, SMTP Extension for Internationalized Email:
When the SMTPUTF8-awa
On 2020-03-17 13:31, Sergey wrote:
On Tuesday 17 March 2020, Andrea Venturoli wrote:
From time to time, I receive some message that are refused
and bounce. Do to possible blacklisting, I *really* want to
avoid bounces.
I use Sendmail+Cyrus a very long time and I not remember this
problem e
On 2020-03-17 15:52, Andrea Venturoli wrote:
Also,
https://www.cyrusimap.org/imap/reference/manpages/configs/imapd.conf.html#std:cyrusman-imapd.conf(5),
says "reject8bit: 0" is the default.
From this I understand my setup should NOT reject 8bit headers (but
change non-ASCII characters to X)
On 2020-03-17 23:49, Andrea Venturoli wrote:
_ sendmail is SMTPUTF8-aware (this is confirmed by EHLO); however
Cyrus isn't?
Could be. This option in imapd.conf might be relevant:
rfc2047_utf8: 0
If enabled, imapd will parse any non-encoded character sequence in MIME
header values as UTF8. T
On Tuesday 17 March 2020, Andrea Venturoli wrote:
> > I'm now setting this explicitly and I'll see what happens.
>
> In fact, nothing changed.
I checked my Sendmail's log just in case and didn't find any
"Data format error" messages. I keep a log for 1 month. About
200K messages were received
