Questions tagged [imap]

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

144 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
4 votes
3 answers
4k views

Dovecot imap send spam to junk

I am using Ubuntu 18.04 64 bit dovecot 2.2.33.2 spamassassin 3.4.1 amavisd The goal is to run an e-mail server, which I achieved already. I can access the e-mails at the server using Thunderbird ...
Marc's user avatar
  • 41
4 votes
1 answer
1k 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 log....
Sam Sirry's user avatar
  • 189
4 votes
0 answers
10k views

Server not found in Kerberos database while getting credentials for imap

When running kvno imap/[email protected] get the following error: kvno: Server not found in Kerberos database while getting credentials for imap/[email protected] ...
Maria José's user avatar
4 votes
0 answers
610 views

Courier MYSQL_QUOTA_FIELD isn't working

In /etc/courier/authmysqlrc, I have MYSQL_QUOTA_FIELD CONCAT(quota, 'S') But connecting to the account via RoundCube or Thunderbird with the Display Quota plugin shows an unlimited/unknown quota. ...
EricP's user avatar
  • 115
3 votes
0 answers
2k views

dovecot userdb passwd-file default_fields uid not expanding %variable

I'm trying to set up a very simple shared mail server, where each 'domain' is a system user, i.e. 'example.com' is a real user with /home/example.com/, a uid of 5001 and gid 'example.com' of 5001. ...
Tim Jones's user avatar
3 votes
0 answers
919 views

Using non-standard mailbox backend - is this even possible?

What I'm trying to do: provide an IMAP server as a facade for standardized e-mail access, without using on-disk mailboxes. What I have: multiple TB of e-mails, stored in MySQL in a completely non-...
Piskvor left the building's user avatar
2 votes
1 answer
351 views

Android application compatible with IMAP search without using local index?

I use an email account of several dozens of Giga, on computer and Smartphone. However, most applications use a local index to speed up the search of emails (this is the case of Outlook and Thunderbird ...
VanVan's user avatar
  • 29
2 votes
0 answers
486 views

Debugging postfix/dovecot: Finding out which application is trying to connect from localhost 127.0.0.1

The problem occurs on my mail server, which apart from that works perfectly. Clients can connect via IMAP and Postfix receives and sends out emails without any hassle. Installed software: $> dpkg ...
manifestor's user avatar
  • 6,399
2 votes
1 answer
3k views

how to do basic IMAP setup / troubleshooting in Exchange 2013

So I've had an Exchange Server (v2013 with cu21) running on a Windows Server 2012 R2 box for several years now, without many problems. We almost exclusively use Outlook-Exchange integration and ...
Daniel's user avatar
  • 1,614
2 votes
0 answers
1k views

HAProxy - IMAP, SMTP, POP3 - Multiple Servers

Please accept my apologies if this is off topic or does not apply on a more broad scale (i've searched the internet and can't seem to find a solution anywhere). I'm not sure if this is even possible, ...
PunkIsDaFunk's user avatar
2 votes
0 answers
97 views

Forward unencrypted imap traffic into TLS-enabled?

Specifically in this example, I'm looking toward the ProtonMail Bridge, which will soon be available for Linux. For those unaware, this sets up a local imap server that decrypts your mail and allows ...
agsl's user avatar
  • 21
2 votes
0 answers
3k views

IMAP: Reverse Proxy?

having this situation: In a local network two completely different / independent mailservers exist for completey different maildomains. There is just one public IP address available. Now it should ...
T0mcat's user avatar
  • 21
2 votes
0 answers
5k views

Dovecot configuration issue: Aborted login (no auth attempts in 0 secs): user=<>

I've set up a test server per the tutorial on https://arstechnica.com/information-technology/2014/02/how-to-run-your-own-e-mail-server-with-your-own-domain-part-1/ The problem is in trying to login ...
williamk's user avatar
  • 133
2 votes
0 answers
140 views

Nginx + mail open ports vulnerability

I'm just thinking out loud here and wondered if i have to open up ports (inbound) to still use my mail. Isn't it possible to redirect trafic lets say imap or pop3 through a subdomain (imap.domain.tld ...
Baklap4's user avatar
  • 127
2 votes
1 answer
577 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 /var/log/mail....
gmyny's user avatar
  • 53
2 votes
0 answers
473 views

IMAP Proxy for a Server on Windows 7

I have configured a set-up of Hmailserver and Horde Groupware Webmail Solution on my test server which runs Windows 7. Everything is up and running smoothly but I'm encountering two minor issues: In ...
Prabal Kajla's user avatar
2 votes
0 answers
2k views

Can not connect with imap_open but openssl s_client works

So after 2 days of trying all the solutions I could find that seemed to apply, I am still scratching my head. There must be something I am missing. I am trying to connect to a postfix/dovecot mail ...
AllanD's user avatar
  • 41
2 votes
1 answer
781 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 ...
Vinícius Ferrão's user avatar
2 votes
0 answers
1k 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 ...
Lætitia's user avatar
  • 2,095
2 votes
0 answers
605 views

Dovecot IMAP + Roundcube Subscriptions Missing

I have a Dovecot server v2.0 (from Ubuntu 12.04) and Roundcube running on the same server. The setup generally works well, except that certain IMAP subscriptions disappear after a random time (...
David Barton's user avatar
2 votes
1 answer
220 views

Is a message number assigned to a message by 'select' or 'examine' IMAP command consistent across IMAP sessions?

Basically will message number one stay number one under another IMAP session/location?
tkane's user avatar
  • 141
2 votes
5 answers
5k 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: ...
netmano's user avatar
  • 269
2 votes
2 answers
1k views

Running rules on a mailbox?

I'm trying to run some smartsieve rules on a IMAP mailbox, I can certainly do this for mails that are delivered to that mailbox, but for emails that are already in that mailbox, or ones that a moved ...
glisignoli's user avatar
2 votes
1 answer
615 views

Cyrus: In practical terms, how do end users administer their shared mailboxes?

Let's say we have four customer service reps: Billy, Bob, Joe, and Tom. Tom is the department manager. There's a shared Customer Service mailbox on the Cyrus server that they all have access to. Tom, ...
Nick's user avatar
  • 4,656
1 vote
0 answers
257 views

Configuring cyrus to use oauth2 via keycloak with ldap backend?

We are using cyrus (and exim) as a long-running mail server. The requirement to store passwords in email programs seems to be a security risk to me. I would like to move auth behind something like ...
till's user avatar
  • 121
1 vote
0 answers
252 views

how to setup the folder separator a "/ " instead of a dot "." in imap maildir postfix and dovecot

The Question is already in the title. I want to setup dovecot and postfix with maildir , but I do not want the dot "." as folder separator. I like to use a folder system like "/" ...
Max Muster's user avatar
1 vote
0 answers
117 views

Webclient for mbox files

I have 20 OVH mail accounts. Whit imapbackup i create mbox file for each my account on a local server. To read the files i need to download the folder then import to Thunderbird. Is there a easy way ...
enrico-dev's user avatar
1 vote
0 answers
812 views

Exchange 2019 - IMAP Sync Failure

I have just deployed a new instance of Exchange 2019. Active Sync works fine (outlook and owa) and mail is processed ingress/egress fine. After enabling the IMAP services and associating the self ...
Les's user avatar
  • 11
1 vote
1 answer
2k views

postfix does local delivery instead of via dovecot lmtp

Sieve isn't running on my system, and it looks like the reason why is that postfix is doing local maildir delivery instead of going through dovecot. Details: System: Ubuntu 20.10 /etc/postfix/main.cf: ...
GeneC's user avatar
  • 11
1 vote
1 answer
92 views

Mbox files not shown on client over IMAP after restore from backup

The story: the HDD containing user /home/* directories with Mboxes died. I restored them from a backup to another machine and mounted the whole structure back to the original imap's server /home ...
David's user avatar
  • 11
1 vote
0 answers
641 views

IMAP server responds with "BAD..." error to "LIST..." after similar "LIST" command completes successfully

I'm getting a BAD... error when running a LIST command against an IMAP server that I'm not understanding and could use some help with. I run almost an identical command just prior to it to list the ...
oucil's user avatar
  • 598
1 vote
0 answers
277 views

Server Configuration Error if Receiving e-mails

Another Problem, I have a VPS where I installed a Dovecot, Postfix, PostfixAdmin and Roundcube webmail. I can not receive emails anymore from any external address, I get this Problem: This is the only ...
Nicolò's user avatar
  • 25
1 vote
0 answers
325 views

Dovecot expunge with POP3

I want to have Dovecot remove e-mails from a POP3 inbox that are over a year old, regardless of whether they have been read or not. From what I have read for autoexpunge to work the message should be ...
Imag1ne's user avatar
  • 225
1 vote
1 answer
987 views

IMAP/Dovecot sync drafts folder between mail clients

I don't understand how different mail clients work with the mails inside the drafts folder. Firstly the Gmail and Outlook android app doesn't sync any drafts at all despite I selected the drafts ...
Johannes's user avatar
1 vote
0 answers
90 views

IMAP email not persisting read status and reply status - what could be the likely cause?

So I have the following setup: IMAP mail from TransIP (a pretty big host in the Netherlands) Thunderbird on my PC Mail on IOS phone Frequently when I'm reading emails on my PC they are being marked ...
Dirk Boer's user avatar
  • 485
1 vote
1 answer
69 views

Outlook as a lightweight IMAP client

Is it possible to configure Outlook (Version 1812, part of Office 365) as an IMAP client without downloading everything in Drafts, Sent, Spam, Trash? Starting from a clean profile, I add a user, and ...
Norman Lorrain's user avatar
1 vote
1 answer
721 views

Postfix DDoS mitigation: how to whitelist IPs for IMAP access to a single mailbox

Does (Zimbra using) Postfix have an option to whitelist IPs or domains for IMAP logins for a specific mailbox only? This is what we would like to achieve: all IPs can open an IMAP connection on port ...
imapq's user avatar
  • 11
1 vote
0 answers
901 views

IMAP to Office 365 migration error

I am migrating mailboxes from an on-premise IMAP server to Office 365. Most of the accounts are migrating fine, but I'm hitting the following error on a handful of accounts. Error: ...
Cuthbert Rumbold's user avatar
1 vote
0 answers
5k views

Dovecot SSL Failure (Postfix Working Fine)

We're trying to connect an e-mail client to our mail server. We have postfix and Dovecot configured and running on ubuntu. We can see that Dovecot is listening on the correct port using: $ sudo ...
Ushox's user avatar
  • 111
1 vote
1 answer
8k views

Login Fail for IMAP on Exchange Server 2016

I have deployed Exchange Server 2016. I am able to send email over 587 while I face Login failure over IMAP 993 and POP3 995. Over Microsoft Tool https://testconnectivity.microsoft.com/ IMAP Test ...
MalTec's user avatar
  • 111
1 vote
0 answers
1k views

Roundcube IMAP log -- NO [AUTHENTICATIONFAILED] Authentication failed

system: Ubuntu 17.10 This is the error I am getting when trying to log in log-file /var/lib/roundcube/logs/imap: [17-Apr-2018 22:03:13 -0700]: <3aedeusd> [1116] S: * OK [CAPABILITY IMAP4rev1 ...
MeSo2's user avatar
  • 274
1 vote
0 answers
1k views

Postfix: Temporary internal error / Dovecot: Initialization failed

Today I wanted to make a mail server, but it did not work. Can you help me ? I followed this tutorial: https://www.linode.com/docs/email/email-with-postfix-dovecot-and-mysql Errors obtained: Sep 19 ...
ungarscool1's user avatar
1 vote
0 answers
4k views

Courier IMAPd: "NO Error in IMAP command received by server"

So I'm setting up a mailserver here - Courier & Postfix on Debian 7.8, authenticating against MySQL. Got it mostly set up - I can send mail, and the address is also receiving mail properly, with ...
Draesk's user avatar
  • 13
1 vote
1 answer
843 views

How do you measure IMAP performance?

We have a mail server built on top of a Gluster distributed filesystem. While this has proven to be fairly easy to set up and quite stable, the performance of our webmail has been quite slow. So now I ...
Ernie's user avatar
  • 5,352
1 vote
0 answers
588 views

pop3 mail proxy on linux server

I have an ISP pop3 account and I need to retrieve mails on my server (ubuntu server) to feed an IMAP webmail (roundcube) installed on my server too. So, I need : my_ISP_POP3server -> ...
partout's user avatar
  • 21
1 vote
0 answers
2k 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 =...
allo's user avatar
  • 1,713
1 vote
0 answers
77 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: https://www....
user1255102's user avatar
1 vote
0 answers
396 views

Dovecot logs showing user disconnected

So one of my users has an issue with connecting to the IMAP server. She's on OSX and has tried setting up Mac Mail and Thunderbird. In both cases the client times out when trying to connect to the ...
Toby Lewis-Hammond's user avatar
1 vote
0 answers
659 views

Thunderbird and Dovecot, INBOX is not synchronized on multiple pcs

i have a little problem with Thunderbird mail and Dovecot. I use the the latest stable from Thunderbird and connect my mail account about the IMAP protocol. Now i have an office PC and a Notebook, on ...
Domi's user avatar
  • 11
1 vote
1 answer
169 views

connect to groupwise mbox with mutt

I am try to extract the GroupWise mailbox userlist and emails via script. I am told that Groupwise is in mbox format mutt looks for .maildir which does not exist on a Novell server. How can I ...
bro's user avatar
  • 191