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

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Dovecot can't see user home dir

I'm testing my Dovecot configuration with mutt but without success. I have user user@example.com, I created home directory for him with maildirmake.dovecot command. But Dovecot cant cd to home ...
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1answer
1k views

EXIM - 550 Cannot receive from specified address - Sendgrid

We're having some intermediate issues with exim where some emails go through and then others get the 550 Cannot receive from specified address Error. This is the guide we used to setup EXIM: ...
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4answers
3k views

Fast imap server for larger folders

I'm looking for an imap server that is fast with larger folders. Say 20'000-100'000 emails per folder. Currently I'm using dovecot, and opening a folder can take 10 seconds, and the HD light on the ...
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0answers
4 views

I added a mail account to Outlook using imap and now want to sync the agenda to iphone, is this possible?

Currently I have the mail account added to both Outlook and iphone using the same imap/smtp settings. When I add and verify the account on iPhone in "Settings -> Mail, contacts, calendars" the only ...
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6answers
10k views

Migrate IMAP account between providers - client access only

I have an IMAP E-Mail account with my old provider. I have a new, empty IMAP account with the new provider. Is there a tool or Thunderbird to migrate the E-Mail data from one account to another? I'm ...
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0answers
10 views

Email migration from a directly owned and operated server to a hosted service

My company sells subscriptions to some offline services, which include a complimentary email 1 Gb email account with POP/IMAP access. Roughly 2000 users use this service. Right now, we operate this ...
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1answer
10 views

Safest Means of Deleting Old Messages in Dovecot

So I'm trying to setup automated deletion of messages in Dovecot using a cronjob to run a daily doveadm expunge and weekly doveadm purge to clear out old messages with some given criteria (mostly ...
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1answer
14 views

Can't login to round cube new domain

I have multiple domains working on my mail server, and all are working normally, I configured new mail domain "example.ae" normally on mysql mail db, created new user, inbox was created on server, ...
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2answers
2k views

Configure Dovecot to only let localhost connect via imap

How do I configure the Dovecot message delivery agent to only allow imap connections from localhost?
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1answer
1k views

Hmailserver and Outlook 2013 can send but not receive any emails in POP3 or IMAP

I'm having problems receiving any email from outlook. I can send email through smtp using comcast (my isp) without a problem, but I can't receive any email using either personal pop3 configured in ...
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0answers
22 views

TLS1.2 not possible with iOS mail?

I have a dovecot server running that enforces TLS1.2 ssl_protocols = !SSLv2 !SSLv3 !TLSv1 !TLSv1.1 TLSv1.2 This used to work fine until someone tried to connect with an iPhone which complains that ...
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23 views

Postfix error: no SASL authentication mechanisms

I have searched many hours but can not fix the problem. Does anyone can show me the way to fix it? This is my postconf -n postconf: warning: /etc/postfix/master.cf: undefined parameter: ...
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1answer
33 views

reverse proxy for multiple SMTP / IMAP servers

Instead of giving our clients server name's like beta.example.com as IMAP / SMTP servers, we'd like to use smtp.example.com. We have a database of all domains / e-mail servers and corresponding mail ...
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2answers
2k views

Exchange IMAP4 connector - Error Event ID 2006

A couple of users in my organisation use IMAP4 to connect to Exchange 2007 (Update rollup 9 applied) because they prefer Thunderbird / Postbox clients. One of the users is generating errors in the ...
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3answers
3k views

Disable user_deny.db in Cyrus/imapd

We have a cyrus 2.4.12 on Debian, we use packages, rather than building each software ourselves. I am getting the this "log" constantly, a lot of, various users, and 8-10 times per user request: ...
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2answers
3k views

Turning on UFW stops my e-mail client functioning (both imap and smtp) even though they are allowed?

I am using ubuntu 10.04 on a VPS. Without enabling UFW everythign works fine - imap using port 143. And sends emails using smtp port 587. However, when I turn on UFW a lot of problems are ...
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1answer
3k views

Dovecot Certificate Authentication

After implementing certificate authentication on Nginx web server, I would like to do the same on Dovecot mail server. The idea is to create your own CA and manage certificates (both issuing and ...
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0answers
19 views

Correct Namespace config for Sent/Drafts/Trash with dovecot

Dovecot seems to configure namespaces by default (conf.d/10-mail.conf and conf.d/15-mailboxes.conf) this way: # 10-mail.conf mail_location = mbox:~/mail:INBOX=/var/mail/%u namespace inbox { inbox ...
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0answers
29 views

How to view the IP of the connecting client in Domino 9 IMAP server?

I am running an IBM Domino 9.0.1 (64-bit) server on a Windows Server 2008 R2. The problem is that the IMAP server task is not displaying the IP address of the connecting client in the console and ...
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1answer
53 views

IMAP authentication issue with roundcube + postfix + mysql + ubuntu mailserver

This problem is driving me insane and I'm now stumped. Need some help please ;) I'm setting up a mail server on an Ubuntu 14 AWS EC2 instance using mysql backend, postfix MTA and roundcube webmail ...
2
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1answer
33 views

PHP CLI not loading IMAP extension

When I try to run a script that uses imap in my browser, it works fine (it is loaded from a Ubuntu 14.04 server on my network with the extension installed). However, when I try to use PHP CLI on said ...
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0answers
25 views

cyrus imapd broken after server restore from backup

I had to restore a vserver with a running installation of cyrus imapd from a 24h old backup. After that, imap clients are timing out and the log gets flooded with the following: tail ...
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2answers
28 views

Using POP3 and IMAP for same account

When using a mailserver I know that IMAP leaves all the mail in the server while pop3 downloads it and deletes it (sometimes after a few days, depending on the mail client configuration options). My ...
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1answer
74 views

Best practices to migrate IMAP mailboxes of thousands users using imapsync tool

I'm going to migrate IMAP mailboxes from Exchange 2013 to Cyrus with over 10k users. I plan to use imapsync as the tool for this. [root@centos65]# imapsync --version 1.644 I'm testing with 5 users ...
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2answers
30 views

Dovecot migration fails: “[…] specify separator […]”

I'm setting up a new dovecot server ("A") and I'm trying to migrate one mailbox from another IMAP server ("B", Dovecot as well). On new server A my dovecot.conf looks like this: […] mapc_host = ...
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0answers
25 views

Ubuntu machine user login authentication against google apps imap

Not to steal someone else's post, Dynamic UNIX users with IMAP, I thought I'd reask a 5 year old question with a little more detail. I have about 60 laptops that I'd like to run Ubuntu on and am in ...
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1answer
43 views

ActiveSync folder sync issues following import from IMAP

Currently we're running a Microsoft Exchange 2007 server on Windows Server 2008, with which we don't really have any particular issues with ActiveSync normally. In this case we've onboarded a new ...
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3answers
9k views

Which IMAP flags are reliably supported across most mail servers?

I am writing an application which reacts to emails sent to a mailbox. It retrieves the emails via IMAP. It will be deployed to a number of systems where I do not control the mail server configuration. ...
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2answers
4k 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
107 views

How to Configure Roundcube/Dovecot for *Effective* 2-Factor Authentication

There are several Roundcube plugins that provide two-factor authentication. However, the issue I now see is that I can still simply log in via IMAP/SMTP, without 2-FA (obviously). 2-FA is ...
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1answer
23 views

IMAP port permission (Python)

I'm writing a program to read emails from python when I execute below code it hangs in the last line import imaplib mail_server = "192.168.2.2" connection = imaplib.IMAP4_SSL(mail_server,993) I ...
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64 views

How to relay/forward mail from qmail MTA to Google Apps/Gmail?

I want to forward or similarly deliver mail for "user1@example.com" to a Google Apps mail account for "example.com" from the MX primary inbound SMTP server "example.com" (MTA is qmail). I want all ...
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1answer
52 views

Port Forwarding to OpenVPN connects once then stops connecting

I am attempting to forward the IMAP and SMTP ports from a external IP address (x.x.x.x) to a computer on a private network via an OpenVPN connection (10.8.0.100). I currently have an OpenVPN server ...
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1answer
118 views

Can't connect to mail server anymore

I never touched anything on the server which belongs to postfix and dovecot. But for several days I can't connect to my mailbox anymore. /var/log/mail.log while connecting: Sep 19 15:58:11 ...
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1answer
38 views

How can I configure multi domain IMAPS POPS and SMTPs with single SSL Certificate

If I have 3 domains hosted on single linux based mail server that are domain1.com, domain2.com and domain3.com.and I have *.domain1.com signed ssl certificate. Is there way I can use the same single ...
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1answer
44 views

Imap local cache server

I'am not sure if it's the good place to ask the question. I would like to know if it's possible to have a local Imap cache server. The main IMAP server is by the provider. To improve performance I ...
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1answer
2k views

Maildir “new” has messages but Inbox is empty

I'm installing a new mail server (Postfix/Dovecot+Maildir) in a fresh OS. Using Thunderbird (or Squirrelmail) I can send mails but my inbox is empty even when I can see them in ...
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31 views

I was asked IMAP password when logging on cyradm. How to reset IMAP password?

I am setting up postfix on my VPS, and when I tried to log on using this command: cyradm -u cyrus localhost --auth plain It ask me the password first, and I input the password for user cyrus. But ...
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3answers
107 views

IMAP Port 143 Not Functioning When Using Hostname?

I am setting up a Mail Server on Azure (Windows Virtual Machine) using HMail and its all working great apart from not being able to connect my Outlook on my home PC. I believe the issue is that when ...
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0answers
36 views

Dovecot (+ MySQL + postfix) - Client cant access

My goal is to get a mailserver that is capable of sending and receiving emails from several different domains. Therefore I want to use virtual users. I followed this manual step by step: ...
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3answers
5k views

Changing IMAP port for Dovecot

I'm running Dovecot to let people access their email on my server. Unfortunately, some are on networks where they can't connect on the normal IMAP port, so I'm trying to change it. I changed the ...
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0answers
39 views

Postfix: on multi-recipient e-mails of same domain, how do you remove all but one (first) address?

We have a shared IMAP mailbox for a business. Customers are not used to not having to CC tons of people with us, so they CC everybody, which creates noisy duplicates in our shared inbox. How can I ...
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1answer
623 views

Can't login to dovecot using gmail as an email client

I've used this installation configure-email-server-using-postfix-dovecot When I try to use gmail as the email client (connecting to my server through port 993) I get this error Unable to establish ...
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3answers
10k 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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4answers
10k views

Dovecot ignoring maximum number of IMAP connections

I have a single mailbox mail server running Dovecot/Postfix and I have two IMAP clients, Thunderbird on the PC and K9 on Android. I keep on receiving this error in my logs even after I change the ...
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1answer
202 views

IMAP proxy setup to allow use of IMAP IDLE?

First-time poster, long-time lurker/reader. Sorry for the obscenely-verbose question...I intended to keep it more concise. Also, sorry about the links not being "actual" links -- I don't have the ...
2
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1answer
183 views

Restrict IMAP access for a given account to only one IP address in Exchange 2013

I've created a "spam crawler" account with full access to all mailboxes in an Exchange 2013 environment to get messages in the junk folder to feed the Bayesian filtering running on SpamAssassin in a ...
3
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4answers
10k views

Recovering deleted emails on IMAP server with Thunderbird

I have an IMAP mail server and use Thunderbird as my client. I didn't understand the sychronization of client-server using IMAP vs POP. My IMAP server was filling up, so I logged onto the server and ...
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1answer
63 views

dovecot namespace: empty prefix vs. list=yes

I just upgraded dovecot from 2.1.7 to 2.2.13, and my previously working configuration broke. I have one user with an empty prefix in his default namespace: Error: XXXX: Initialization failed: ...
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1answer
786 views

Debian 8 Jessie - Postfix + Dovecot, send but not receive mails

I'm setting up a mail server (with Postfix, Dovecot and Postfixadmin) for a non-profit organization that I'm currently building. I'm able to send but not receive mails over TLS. When sending an email ...