IMAP stands for Internet Message Access Protocol and is the other e-mail protocol along with POP.

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Poor IMAP performances

I'm experiencing very poor performances with my Mail Server when executing some specific and mandatory IMAP commands. Right now when I try to run the SELECT command on a folder with 4k+ email, the ...
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155 views

Autodiscover for IMAP over SSL

Is it possible to setup Autodiscover for your domain.com without the use of an Exchange Server in the back-end? I already have an IMAP/POP3/SMTP hMailServer running on Windows with IIS Web Server. ...
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2answers
1k views

How configure roundcube to work with imaps?

I recently installed Postfix, Dovecot to setup a mail server on my own VPS ( using this tutorial: Email with Postfix, Dovecot, Mysql) Imaps server uses port 993 for Authentication, and Postfix uses ...
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1answer
479 views

Postfix virtual domains and Cyrus for imap

I am setting up a email server on a centos box where I am using the virtual(8) delivery agent within postfix so that I dont need to create a unix user for each email address, and I have set up Cyrus ...
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1answer
195 views

Dovecot - Unexpected messages order after move

There is Dovecot service on the server. I had moved messages in user mailbox manually from one to another. Now I am experiencing some sorting problem on iOS device. For example: I have mail 2 days ...
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1answer
62 views

Dovecot removing my mails

Why is dovecot removing my mails? I have setup an SQL database according to the Dovecot information, but I get this in my logs: May 14 14:23:53 alpha postfix/smtpd[16436]: Anonymous TLS connection ...
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1answer
1k views

nginx: understanding the purpose of auth_http (IMAP proxy)

I would like to send IMAP client requests to an IMAP back-end via an nginx proxy. According to the the mail_auth_http module, a directive auth_http has to be used in order to authenticate the clients. ...
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2answers
215 views

Bash example of testing if a secure IMAP connection works?

I want to add a test for a secure IMAP connection, authentication being part of it. That I would run using a cron job. If anything wrong happens I do want to get and email, so if it goes well it ...
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1answer
463 views

iPhone can't authenticate at dovecot

I've set up a mail server running with postfix and dovecot. Mainly configured as described here. Also I created a signed certificate from Startssl.com. IMAP is running on port 993. From my computer ...
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1answer
33 views

Output from doveconf does not match contents of /etc/dovecot/*

I've been banging my head wondering why the changes I keep making to /etc/dovecot/* conf files aren't working - but today, I took a closer look with doveconf | less - and noticed that my changes ...
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1answer
1k views

Multiple mail servers for a single domain [closed]

Running a "DNS scan" to make sure my DNS zones are setup "correctly" led to the suggestion by the tool to run more than one mail server for redundancy. It got me thinking about how one would implement ...
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3answers
390 views

Maintain email timestamp when transferring between email servers using an email client

I am running two different email servers using Postfix and Dovecot. Some of my users have accounts on both servers and sometimes transfer emails from one to the other through their email client. When ...
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1answer
820 views

How to get Doveconf to reload its config or read from `/etc/dovecot/`?

Edit Ok, so if you care to read the original question, you'll see I've had a fun time with this. I'm running Ubuntu 13.10 - Dovecot v2.1.7 - And it seems my original problem was due to some ...
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1answer
2k views

How to I authenticate with Dovecot + IMAP + PAM on CentOS?

I set up Dovecot IMAP to use PAM as suggested here: http://wiki2.dovecot.org/PasswordDatabase/PAM PAM/dovecot [root@ip-172-31-15-65 pam.d]# cat dovecot #%PAM-1.0 auth required ...
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2answers
202 views

Allow IMAP for Roundcube and as external service only for some special users. How to configure?

It's easy to set up a special passdb query in dovecot to restrict IMAP access to certain users, e.g. see this documentation on the dovecot wiki. But when I use a webmailer like Roundcube and want to ...
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0answers
151 views

famd/gamin timeout issue with courier-imap

I'm running a mail server for about 200 users with courier-imap on Debian 7. This server is running a linux kernel 2.6.38 inside a Xen guest having 2 cpu cores and 2 GB RAM. The server accept ...
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112 views

Courier IMAP namespace prefix not used by default on iOS

On OSX Mail.app, connecting to my Courier IMAP server, everything is working fine. I can read mails, delete stuff, move it to trash. However, when using the same server on iOS, I get error messages, ...
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3answers
116 views

How to forward a mail server without MX records?

My company is switching from an old clunky dedicated email server (which we can't maintain anymore) to Google Apps email, and we'd like to start using the Google email now, as the old server regularly ...
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2answers
3k views

Dovecot IMAP authentication failed

Whenever I'm trying to connect to my Dovecot IMAP server, it gives me a message that the authentication was failed. This message is from the /var/log/mail.log file: Feb 7 15:22:17 celestine dovecot: ...
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2answers
5k views

RoundCube login to local IMAP server failing

I've been following this guide to set up a mail server on my server: http://flurdy.com/docs/postfix/edition5.html The only difference is that this tutorial uses a MySQL database and I've used ...
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1answer
328 views

Mails sent from Roundcube on xampp not visible in Gmail,Yahoo or Hotmail Inboxes [closed]

I have downloaded and installed Roundcube 0.9.5 on my xampp server on Windows 8.It works well when receiving mails as the mails show up in inbox normally. But when i send a mail from the logged in ...
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2answers
115 views

How to use usernames instead of e-mail addresses for Dovecot login?

I have a mail server set up on a Debian 7.2 machine running Dovecot 2.1.7 and Postfix 2.9.6. I have both Dovecot and Postfix set up to load virtual users from a database populated by Postfixadmin. ...
2
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1answer
219 views

Cyrus murder and IMAP backend cluster on failover

I have one cyrus murder (aggregator) master and a IMAP backend cluster on failover consisting of 2 nodes (backend1 and backend2). I use corosync/pacemaker to set : a virtual IP start and stop the ...
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3answers
500 views

SMTP sent E-mail not copied to Sent Folder [closed]

I discovered that some (few) providers don't copy into the Sent folder those E-mails which are sent from mail clients through SMTP. They only copy them to the sent folder if you send them from their ...
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1answer
42 views

How to disable search body in dovecot?

We run mail server of 30k e-mail accounts (Maildir) with dovecot imap server. We suffer from high IO load, especially when a user starts to search large imap folders. Is any way of preventing search ...
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1answer
3k views

warning: hostname localhost does not resolve to address

i'm using iRedmail on my Debian box. I tried to use outlook for for email client, but i got this error and couldn't resolve it. Nov 19 17:25:10 mail postfix/smtpd[7011]: warning: hostname localhost ...
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1answer
80 views

Dovecot number of connections?

I am working on a Dovecot server. My main purpose is to count number of users who checks their e-mail daily. How can i count number of Imap connections? I am new to these things by the way.
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2answers
161 views

Install Mozilla Thunderbird on NAS [closed]

I have a small office with 3 computers running Linux Ubuntu. All the data are stored in a NAS drive (WD MyBook Live). I would like to - somehow - be able to access the email archives as well from each ...
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721 views

Gmail rejecting IMAP calls from AWS EC2 hosted James server

I have James server (SMTP server) hosted on AWS EC2. I have small application running on this AWS instance which fetches certain emails from my Gmail account. Gmail rejecting any IMAP request from my ...
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1answer
89 views

How to safely move mailbox to another server?

I have a hosting for my client on a shared server (website, domain and mailboxes) and I want to change the provider and move everything to another server. Moving the website is as easy as copying the ...
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2answers
157 views

How to intercept incoming mail data between mail server and web server

I've been asked to provide a way of loading incoming e-mails, manipulate some part of the text and then forward it to the web server for the client to read. Basically, intercept the mail, put it ...
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1answer
636 views

Tracking down dovecot IMAP user bandwidth usage

One of my customers is using massive amounts of bandwidth, it appears to be related to IMAP and not their actual website. There is a logfile /var/log/maillog which logs each IMAP connection and the ...
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1answer
201 views

Making Dovecot keep its TCP connections alive?

I'm trying to run a benchmarking application which connects to my IMAP server and has a "warm up" phase during which IMAP connections are being established. I've set my limits properly and the mail ...
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0answers
726 views

lmtp: connect(backend) failed: Connection refused

A long time ago I'm trying to fix this error but I'm still locked, I appreciate any help :). I detail all that I have and what I am trying to do. I am using Cyrus Murder and apparently everything ...
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2answers
1k views

Sync all mails into one folder on new server using imapsync?

Is there a way to sync every mail from the old server into one single folder on the new server using imapsync? I can't find something relevant in the manual… Thanks in advance!
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1answer
28 views

How can I tell my server to allow logins via a mail client?

I am setting up my first sendmail daemon on centos, using virtual domains and emails. So far, I have got it working and emails sent from remote servers will make it to the inbox. The problem I have ...
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2answers
501 views

lrswipkxtecda in Cyrus

What exactly is lrswipkxtecda in Cyrus? I've gathered from here that it has something to do with ACLs for the mailboxes in Cyrus but can someone shed some more light on it? Do the individual letters ...
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139 views

configure Courier IMAP - multiple users and folder sync

I would like to configure the IMAP Settings of my Courier mail server do to the following things: 1) Allow concurrent connections from multiple clients by the same user. (For instance Computer, ...
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1answer
280 views

couldn't authenticate to backend server: no mechanism available

I'm trying to use cyrus murder, I've been fixing some bugs but now I found this when trying to access from thunderbird: The current operation on 'Inbox' did not succeed. The mail server for account ...
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2answers
1k views

best practice to have sent mail folder on dovecot imap server

When I add a mail account to KMail (or most other MUA I suppose) the sent mail folder is on the local machine and I don't have my sent mails on other machines. I'd like to have a sent mail folder in ...
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211 views

Authentication problems with cyrus murder

I'm trying to use Cyrus Murder but I have an error which I fail to detect the cause. I have: 1 backend. 1 frontend that is also a mupdate. I have installed the Thunderbird 17.0.8 fronted to test. ...
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2answers
1k views

Reconstructing cyrus mailboxes with sub-folders

I have a mail server which runs Cyrus-imapd and postfix. I have another server which is to be the backup mail server. I have rsynced one mailbox from the primary server to the backup server to test. ...
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1answer
110 views

IMAP preauth with Dovecot

What's the command line for preauth IMAP using Dovecot? Many sites give: dovecot --exec-mail imap But on my system this returns: Usage: dovecot [-F] [-c <config file>] [-p] [-n] [-a] ...
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259 views

Password data is not valid for scheme SHA512: Input length isn't valid (24 instead of 64)

I am setting up dovecot with pgsql. I have setup the MTA and can receive mail correctly with the mailboxes setup in the database, but when i login via a mail client to dovecot I get in my maillog: ...
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1answer
431 views

Sync between two Mail Servers

I have 2 mail servers of the same configuration which is as follows: OpenLDAP (for authntication of users) Postfix Cyrus-imapd SOGo(groupware) One of them (Let's say X) is in production and is the ...
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1answer
190 views

hacking attempt or something else in IMAP - logwatch logs

In my Logwatch logs I found 3 lines that look weird to me, I speculate that they are hacking attempts. IMAP connect from @ [::ffff:121.183.126.37]DEBUG: Connection, ip=[::ffff:5.102.221.2]: 6 ...
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1k views

Server not found in Kerberos database while getting credentials for imap

When running kvno imap/prueba-mail.ejemplo.org@EJEMPLO.ORG get the following error: kvno: Server not found in Kerberos database while getting credentials for imap/prueba-mail.ejemplo.org@EJEMPLO.ORG ...
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1answer
289 views

Azure - Set up a VM, hosting a website from it, now need to set up email for my custom domain

Here's the scenario: I set up a VM on Azure - we'll call it mikemarks.cloudapp.net. I installed IIS and got my website working by hitting the mikemarks.cloudapp.net URL. I have a custom domain ...
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2answers
1k views

open IMAP port Windows Firewall

on my windows Server I'd like to install a imap server. Through HTTP the server is reachable, but if I try to connect using IMAP the server does not respond, instead if I disable the firewall it works ...
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2answers
531 views

imapsync from folder to mailbox

I would like to know whether it is possible to sync mail between a backed-up maildir used by a decommissioned dovecot install and a live email account in cyrus, or transfer the mail from the backup to ...