Ken- Here is the only entry in the cyrus logs I can see from that postfix server:
Jun 1 17:01:19 imap lmtp[12597]: starttls: TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits new) authenticated as x.x.x Jun 1 17:01:19 imap lmtp[12597]: login: x.x.x [10.0.13.69] smtp/x.x.x GSSAPI+TLS User logged in Steve On Fri, Jun 1, 2018 at 9:58 AM, Stephen Ingram <sbing...@gmail.com> wrote: > Ken- > > That could be. I noticed that the SELinux policy updated on the server as > well and Redhat might have changed something that is not allowing Cyrus to > write there?? It is able to write the Kerberos credential cache there > though. I thought it wrote everything else to /var/lib/imap. > > I don't see anything in the cyrus syslog besides the postfix server > logging into the cyrus server successfully. Is there a way to increase the > debugging? > > Steve > > On Fri, Jun 1, 2018 at 9:54 AM, Ken Murchison <mu...@fastmail.com> wrote: > >> OTH, my guess is that Cyrus is failing to create the tmpfile to stage the >> message. Is /tmp (or its equivalent) full, or not writeable? >> >> Without something from the Cyrus syslog, this will be hard to diagnose. >> >> On 06/01/2018 12:51 PM, Stephen Ingram wrote: >> >> Ken- >> >> That all appears to be working correctly. Here's a cut from the Postfix >> debug with addresses obfuscated: >> >> Jun 1 16:48:52 mx postfix/lmtp[18136]: send attr offset = 682 >> Jun 1 16:48:52 mx postfix/lmtp[18136]: send attr dsn_orig_rcpt = >> rfc822;x...@x.com >> Jun 1 16:48:52 mx postfix/lmtp[18136]: send attr notify_flags = 0 >> Jun 1 16:48:52 mx postfix/lmtp[18136]: send attr status = 4.3.0 >> Jun 1 16:48:52 mx postfix/lmtp[18136]: send attr diag_type = smtp >> Jun 1 16:48:52 mx postfix/lmtp[18136]: send attr diag_text = 451 4.3.0 >> System I/O error >> Jun 1 16:48:52 mx postfix/lmtp[18136]: send attr mta_type = dns >> Jun 1 16:48:52 mx postfix/lmtp[18136]: send attr mta_mname = imap.x.x >> Jun 1 16:48:52 mx postfix/lmtp[18136]: send attr action = delayed >> Jun 1 16:48:52 mx postfix/lmtp[18136]: send attr reason = host >> imap.x.x[10.0.13.83] said: 451 4.3.0 System I/O error (in reply to end of >> DATA command) >> Jun 1 16:48:52 mx postfix/lmtp[18136]: private/defer socket: wanted >> attribute: status >> Jun 1 16:48:52 mx postfix/lmtp[18136]: input attribute name: status >> Jun 1 16:48:52 mx postfix/lmtp[18136]: input attribute value: 0 >> Jun 1 16:48:52 mx postfix/lmtp[18136]: private/defer socket: wanted >> attribute: (list terminator) >> Jun 1 16:48:52 mx postfix/lmtp[18136]: input attribute name: (end) >> Jun 1 16:48:52 mx postfix/lmtp[18136]: B7B0B9A2EB0: to=<x@x.x> <x@x.x>, >> orig_to=<x@x.x> <x@x.x>, relay=imap.x.x[10.0.13.83]:24, delay=0.3, >> delays=0.19/0/0.09/0.02, dsn=4.3.0, status=deferred (host >> imap.x.x[10.0.13.83] said: 451 4.3.0 System I/O error (in reply to end of >> DATA command)) >> >> Steve >> >> On Fri, Jun 1, 2018 at 9:33 AM, Ken Murchison <mu...@fastmail.com> wrote: >> >>> On 6/1/18 12:21 PM, Stephen Ingram wrote: >>> >>>> I'm receiving a 451 4.3.0 System I/O error (in reply to end of DATA >>>> command) error from Postfix when trying to deliver to cyrus-imap and not >>>> really sure why. I'm on CentOS 7 (2.4.17-8) after downgrading from current >>>> version. I'm using Kerberos GSSAPI to connect to the front end, but >>>> authentication appears to be working fine as I can see authenticated when >>>> enabling LMTP debugging in Postifx. All messages are refused for delivery >>>> though. I'm not sure what to do. Any suggestions? >>>> >>> >>> Any chance that Kerberos is negotiating a security layer? >>> >>> -- >>> Kenneth Murchison >>> Cyrus Development Team >>> FastMail Pty Ltd >>> >>> >>> ---- >>> Cyrus Home Page: http://www.cyrusimap.org/ >>> List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ >>> To Unsubscribe: >>> https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus >>> >> >> >> -- >> Ken Murchison >> Cyrus Development Team >> FastMail US LLC >> >> >
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