<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;
color:black;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
p
{mso-style-priority:99;
mso-margin-top-alt:auto;
margin-right:0in;
mso-margin-bottom-alt:auto;
margin-left:0in;
font-size:12.0pt;
font-family:"Times New Roman",serif;
color:black;}
span.EmailStyle18
{mso-style-type:personal;
font-family:"Calibri",sans-serif;
color:windowtext;}
span.EmailStyle19
{mso-style-type:personal-reply;
font-family:"Calibri",sans-serif;
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Yes, there is currently concurrent usage because the Mail spool is NFS Mounted. <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Here is the current configuration:<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>dovecot -n<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'># 2.1.15: /etc/dovecot/dovecot.conf<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'># OS: Linux 3.10.54-server-2.mga3 i686 Mageia 3<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>base_dir = /var/run/dovecot/<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>disable_plaintext_auth = no<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>lock_method = dotlock<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>login_greeting = SpamZapper Email ready.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>login_log_format_elements = user=<%u> method=%m rip=%r lip=%l %c<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>mail_debug = yes<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>mail_fsync = always<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>mail_location = maildir:~/Maildir<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>mail_nfs_index = yes<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>mail_nfs_storage = yes<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>mail_privileged_group = mail<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>mbox_lock_timeout = 15 mins<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>mmap_disable = yes<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>passdb {<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> driver = pam<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>}<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>protocols = imap pop3<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>service anvil {<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> client_limit = 1000<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> process_limit = 1<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>}<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>service auth {<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> user = root<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>}<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>service imap-login {<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> chroot = login<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> client_limit = 10<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> user = dovecot<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> vsz_limit = 256 M<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>}<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>service pop3-login {<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> chroot = login<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> client_limit = 1024<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> user = dovecot<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>}<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>ssl = no<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>syslog_facility = local2<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>userdb {<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> driver = passwd<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>}<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>verbose_proctitle = yes<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>protocol pop3 {<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> mail_max_userip_connections = 20<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> pop3_uidl_format = %08Xv%08Xu<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>}<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>protocol lda {<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> postmaster_address = postmaster@example.com<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>}<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>protocol imap {<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> mail_max_userip_connections = 30<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>}<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>For the time being, I have isolated usage of POP3 connections on a single Servers, however IMAP is especially problematic.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='color:windowtext'>From:</span></b><span style='color:windowtext'> Aki Tuomi [mailto:aki.tuomi@open-xchange.com] <br><b>Sent:</b> Friday, October 19, 2018 2:51 AM<br><b>To:</b> Albert Whale <Albert.Whale@IT-Security-inc.com>; dovecot@dovecot.org<br><b>Subject:</b> Re: Dovecot 2.2.13 error message<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p><o:p> </o:p></p><div><p class=MsoNormal>On 18.10.2018 15.15, Albert Whale wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal>In attempting to reactivate my IMAP communications with my Email Spool (NFS Mounted), I have gotten the following while attempting to download the Emails via POP3.<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Oct 18 08:00:45 ns4 dovecot: pop3-login: Login: user=<aewhale>, method=PLAIN, rip=74.109.213.194, lip=66.207.133.232<o:p></o:p></p><p class=MsoNormal>Oct 18 08:02:40 ns4 dovecot: pop3(aewhale): Error: Timeout (180s) while waiting for dotlock for transaction log file /home/aewhale/Maildir/dovecot.index.log<o:p></o:p></p><p class=MsoNormal>Oct 18 08:02:40 ns4 dovecot: pop3(aewhale): Disconnected: Storage error during logout. top=0/0, retr=11511/1566975544, del=11511/11511, size=1566691807<o:p></o:p></p><p class=MsoNormal>Oct 18 08:02:58 ns4 dovecot: pop3(aewhale): Connection closed top=0/0, retr=0/0, del=0/11520, size=1566929900<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>This is significantly more information than what I can receive from 2.1.15, but still does not resolve the communications issues.<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Any help is certainly appreciated.<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>--<o:p></o:p></p><p class=MsoNormal>Albert E. Whale, CEH CHS CISA CISSP<o:p></o:p></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></blockquote><p>Hi!<o:p></o:p></p><p>Seems something is locking the index. Do you have concurrent usage between two or more nodes for same user?<o:p></o:p></p><p>Aki<o:p></o:p></p></div></body></html>