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Questions tagged [imap]

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

E-mail clients using IMAP often leave messages on the server until the user deletes them. This allows multiple clients to manage the same mailbox - useful for support help desks for example.

IMAP is just one communications protocol on the web. Others include:

  • Transmission Control Protocol (TCP)
  • User Datagram Protocol (UDP)
  • Internet Control Message Protocol (ICMP)
  • Hypertext Transfer Protocol (HTTP)
  • Post Office Protocol (POP3)
  • File Transfer Protocol (FTP)

IMAP on Wikipedia

603 questions
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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 stand for something? I found this the first time I…
rahuL
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Bandwidth Usage: ActiveSync vs IMAP/CalDAV/CardDAV

I have been trying to find bandwidth usage information how the technologies compare. I understand that ActiveSync is instant, and new changes get "pushed" to subscribers. But IMAP/CalDAV/CardDAV is synced on a timed basis. So that means it must…
7wp
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How to set up an e-mail account across multiple users using IMAP

I've decided that we desperatly need to switch from POP3 to IMAP when handling our main business email account which several people use. This is your typical info@example.com account which receives pretty much everything from customers, suppliers,…
CityNeonRain
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Dovecot. Why do we need a public namespace?

I'm really confused about namespaces. Here's the Dovecot tutorial I'm trying to follow: http://wiki2.dovecot.org/HowTo/VirtualUserFlatFilesPostfix Can someone explain to me what exactly is being accomplished by publish namespace there? Does…
Ryan Eckert
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What does Cyrus reconstruct do?

I have a cyrus-imapd server running for last five years. The cyrus-imapd version is 2.2. Now I have set up a new mailbox server with cyrus-imapd version 2.3. I need to migrate all mailboxes to this new server. As far as I know I should follow either…
Sachin Divekar
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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 (between 10 mins - 2 hours). Only certain subscriptions…
David Barton
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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
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Iphone and exchange 2003 using imap and password incorrect issue

I have been trying to setup exchange 2003 emails on Iphone email client using imap and was successful in setting up an email account. But i couldn't setup other two email account on the same phone and password incorrect error keeps coming up. All…
ryju
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How do I setup a SSL mail server?

For a beginner, can anyone recommend a good method of setting up a encrypted IMAP server (on port 993) or at least TLS POP3 email ? There are plenty of examples of opportunistic client side email encryption with PGP or FireGPG or Enigmail, but…
djangofan
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How \Deleted flag can be unset for all mails in cyrus-imapd mailbox?

I have a 5GB mailbox which I moved using imapsync. But somehow I messed up with --delete/--delete2 option and end up with almost all the messages having \Deleted flag set. I do not have delayed expunge enabled, so I can not use unexpunge utility. I…
Sachin Divekar
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Migrate Maildir between courier and dovecot servers

I have several tarballs that make up all the previous emails for two or three accounts on a mail server. This machine we be shut down within a few weeks and so I need to migrate all the previously subscribed IMAP folders to the new server. The old…
DeaconDesperado
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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: fetching user_deny.db entry for 'user123' I have…
netmano
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mailboxes not showing up after migration

I'm migrating mail server over to a new machine running dovecot. Everything is running fine but I'm not able to see folders that users created on the old server. Messages that were in the inbox are visible however. In my dovecot.conf, I…
devnill
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When is a mail relay needed?

Let me expand... I have a client who is unhappy with their current hosting situation. They want me to move their website and domain across to my hosting platform. I can do this. However I have realised that the company has: 1) A number of existing…
Mazatec
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How do I find out if my server is running IMAP?

How do I find out what IMAP server (if any) is running on a CentOS server?
Vince P
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