POP3 stands for Post Office Protocol used by e-mail clients to retrieve messages from a remote e-mail server.

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12
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4answers
24k views

Mail server for Windows 2008

I'm going to get a Windows 2008 dedicated server sometime soon. I'm going to have my website hosted on it, so, I also want to run a mail server on the same machine to receive any mail sent to the ...
4
votes
3answers
940 views

What's the difference between POP3 and IMAP for e-mail?

How does IMAP differ from POP3 and what are the pros/cons of each and why choose one over another?
4
votes
1answer
1k views

How to configure an iPhone to download complete email everytime [closed]

We have a user with an iPhone 4s who receives email via POP. His email has been working normally until recently when he reported that the body of some messages do not download. In place of the body ...
3
votes
1answer
522 views

What is the best way to setup redundant pop servers?

I am in charge of setting up our company email infrastructure and have a question on how to setup redundant pop/IMAP servers. I understand that I can setup failover for inbound email using MX records ...
3
votes
1answer
187 views

Redirect smtp, imap and pop to ssl

I want my users to stop accessing user accounts like IMAP, SMTP and POP without SSL. I can easily disable non-SSL access, but then everything would break. Is there a way to automatically redirect ...
3
votes
4answers
8k views

Message Queue building on Barracuda Spam Firewall

I have just installed our new Spam Firewall, and all seemed well. But the Spam Firewall has now decided to put all mail in a message queue and I have no idea how to force it on or anything as there ...
3
votes
2answers
400 views

Security Risk involved in disabling SMTP authentication on POP3 Server?

I provide IT Services to a client who, for the longest time in the world, has been using a POP3 server from Network Solutions to handle their email. At this time, I'm introducing the McAfee SaaS ...
2
votes
3answers
128 views

Messages via POP delivered multiple times (Hosting)

We have two servers with Merak Mail Server, serving a considerable number of accounts (15000). We had a terrible problem with our storage server, and we've been forced to move the mails to other ...
2
votes
2answers
579 views

Getting POP3-SSL using a POP3 client

We outsource our email using exchangemymail.com. They have POP3 access, but it requires SSL. Our CRM system has a mail sweeper that only supports regular POP3. How can I bridge the gap between secure ...
2
votes
4answers
225 views

When to move past POP3 servers, and what next?

My company has ~40 employees, all using POP3 mail accounts on a shared host. They allow up to 200 email boxes, have no limit on the # of outgoing/incoming e-mails/hour, and we've never had really big ...
2
votes
3answers
842 views

Moving mail from one server to another — with no control panel and only pop3

I'm trying to migrate a client's hosting from a really bad host to a new one. The current host provides no control panel (they're a bit control freaks, you have to lodge a ticket to do anything) so I ...
2
votes
3answers
444 views

pop3 caching proxy [closed]

I have a really slow and unreliable internet connection at the office. I also have one email account where many people download mail from the same account without deleting them form the server. (kind ...
2
votes
1answer
216 views

Need a POP3 or IMAP relay or adapter from an exchange server, any ideas?

Short version of the issue We have a 3rd party workflow tool that needs to check e-mail inboxes. The tool only supports checking e-mail with pop3 or IMAP Our network guys don't allow pop3 or IMAP ...
2
votes
1answer
5k views

How to install POP3 and SMTP in Postfix? [closed]

I have Postfix installed on an Ubuntu box, but now I need to configure POP3 and SMTP. Is there some guide on how to do this?
2
votes
2answers
672 views

Move 53,800+ files into 54 separate folders with ~1000 files each?

Trying to import 53,800+ individual files (messages) using Gmail's POP fetcher. Gmail understandably refuses, giving the error: "Too many messages to download. There are too many messages on the ...
2
votes
2answers
973 views

Dovecot, POP3 and Gmail

I setup Postfix and Dovecot on a new Ubuntu box following these directions. From a client machine, I validate that POP3 seems to be working telnet mydomain.com 110 +OK Dovecot ready. USER ...
2
votes
2answers
223 views

Ubuntu, mail servers and MX records

Some background: I have set up an Ubuntu cloud server on Rackspace where I host two domains, say, www.domain1.co.uk and www.domain2.co.uk. Both domains are hosted on the same cloud server. I ...
2
votes
2answers
264 views

POP3 traffic stalls between small bursts

What follows is a description of the strangest network problem I have encountered. The story I am working with a client that reported being unable to check their email, starting this morning. Two ...
2
votes
1answer
27 views

Exchange 2010 - is it possible to have a separate password for POP3 access?

basically I want to see all my work emails in my google account. We used to have forwarding to google - but google started to reject our mail recently claiming it's spam. So i'm thinking about making ...
2
votes
1answer
103 views

Thunderbird disconnecting from Dovecot

I'm managing a Dovecot POP3 server which serves large number of users. Some of these users are in remote locations. I'm getting reports about users whose Thunderbird clients show the number of mails ...
2
votes
2answers
268 views

Where exactly does Outlook keep it's information about already downloaded messages when using POP?

When I create a new Outlook profile and re-add POP account, Outlook starts to redownload old messages from POP server if Outlook had previously configured with "Leave messages on server" setting. This ...
2
votes
2answers
3k views

fail2ban: stop pop3 login attempts?

How do I set up fail2ban so that all those pesky pop3 login attempts are taken care of? I am using Ubuntu 9.04 and here's an extract from the pop3 log as I see it in the mails that Logwatch sends: ...
2
votes
3answers
357 views

Serve IMAP Account as POP

I have ran into this a few times: I get a new email address that can only be accessed by IMAP or through a web browser. I want to read mail from all of my other accounts through my gmail account. ...
2
votes
4answers
1k views

Recommendations for a POP3 Connector for Exchange 2007 [closed]

I am upgrading to Exchange Server 2007, and realise that Microsoft does not ship a POP3 connector with 2007. There appears to be several commercial offerings (MAPILab, POPcon, Exchange Connector) Do ...
2
votes
1answer
490 views

Limiting POP3 mailbox for one connection at a time? (Dovecot)

Is there a way to limit the number of concurrent connections to a POP3 mailbox on a Dovecot server? The current situation is that if two clients connect to the same mailbox, then the server accepts ...
1
vote
1answer
167 views

What's a good way of handing pop3 mail to an imap server?

I've got several POP3 accounts that need to be collected and handed to an IMAP server. This must be safe, so anything racey or non-atomic won't work. How should I do this?
1
vote
2answers
969 views

Mixing personal (SMTP/POP) and business (Exchange) mail in Outlook

Although I haven't done it, I'm pretty sure that you can set up Outlook (2010) to work with both SMTP/POP email and with Exchange simultaneously. Here is the scenario: I work with a group of ...
1
vote
1answer
66 views

What happens inbetween SMTP and POP3?

I understand SMTP, and to a lesser degree POP3, but I feel like I'm missing a large chunk inbetween. I see this image on a Microsoft page: and I feel like what I'm missing is the "Internet" part. ...
1
vote
2answers
64 views

Simplest Way to Setup Email for Various Domains

I'm beginning to use Mandrill to send out transactional emails from my various domains. Now what I'd like is a way to receive these emails simply w/out setting up a mail server on my linux boxes. I'm ...
1
vote
1answer
763 views

Recover hard deleted items from Exchange

My MD had a clear out of her mailbox (anything from september 2011 back to 2005 was deleted!) she is now majorly regretting this as there was contracts etc etc in there. Now I have looked in OWA but ...
1
vote
3answers
223 views

Simplest way to expose UNIX mailboxes via IMAP or POP3 on RHEL 5.6

We've got a web server running RedHat Enterprise Linux 5.6, and it has all the usual local UNIX mailboxes. As is typical, the root mailbox gets all the cron output, logwatch results, etc. I'd like an ...
1
vote
2answers
481 views

Secure POP3/SMTP proxy?

An ISP doesn't offer secure/encrypted POP3/SMTP connections to its email servers. (I could forward the mail to another mail service that does, but I'd like to try a proxy) Is there some simple ...
1
vote
1answer
164 views

Setting MX records to allow different servers to send and receive email

I have a site (mydomain.com) that uses the hosting service to send and receive emails (the MX points to mail.mydomain.com). Now I want to keep the same server to send emails but use a third party ...
1
vote
3answers
495 views

Can Exchange be forced to keep all mail?

I have an Exchange 2003 box that is read by an old POP3 application that has no configurable options apart from server/username/password, and it's deleting the old messages from the mailbox after it ...
1
vote
1answer
48 views

roaming Exchange/Outlook users also need POP3 accounts

I have 10 Win SBS 2008 User Accounts and 10 PC's. Three of the persons who are associated to the user accounts work at different PC's each day. These three people also do have POP3-Emails which have ...
1
vote
2answers
2k views

Verify IMAP/POP3 connection to Microsoft Exchange Server 5.5

I wanted to fully explore IMAP connections from the command line, if I can connect via Thunderbird, then I should be able to via telnet?! Microsoft detail IMAP login as :- LOGIN ...
1
vote
2answers
377 views

Bulk add/remove accounts to/from SBS2003 POP3 connector

Is this possible? I (attempt to, at least) maintain our SBS2003 box, which uses POP3 Connector to retrieve email. I am regularly asked to add/remove several accounts at once, usually for the same ...
1
vote
1answer
838 views

test a pop3 secure ssl port 995

i am trying to login to microsoft exchange online using openssl openssl s_client -connect pop.mail.apac.microsoftonline.com:995 however when i pass the USER command it fails +OK The Microsoft ...
1
vote
3answers
165 views

Ubuntu: mailserver + database [duplicate]

Possible Duplicate: Ubuntu: mailserver + database I want a mailserver on Ubuntu that saves e-mail in the database and uses users in the database to let them login into the POP server and ...
1
vote
1answer
148 views

Recommend a reasonably priced email provider?

We have around 50 domains that aren't core/key business but ideally we want to be able to have the MX records pointing to someone to accept mail for the following: abuse@ and postmaster@ for all the ...
1
vote
1answer
344 views

Looking for Script to change SMTP server address for office 2010

We have a pop3 email system. So we send our email out to a third party to do the scanning and filtering for us. We are switching companies to a new company at the end of the month. I need to change ...
1
vote
2answers
2k views

SBS2011 - exchange 2010 - NEw mailbox accounts not showing in list of pop3 connector

I have migrated a SBS2003 --> SBS2011 and configured the pop3 connector for all the migrated mailboxes, which works fine. But when I create any new accounts, they are not listed as available accounts ...
1
vote
1answer
673 views

Can I force dovecot to ignore pop3 requests to delete received email?

this is my first SF question, so please be gentile: Is there an easy way to force dovecot pop3 server to ignore "delete messages" commands after being fetched by the MUA? Here are the issues I'm ...
1
vote
1answer
531 views

Exchange 2007 SP2 install issue

We currentlty have a Windows Server 2003 x64 running Exchange 2007 SP2. We just recently updated to SP2. I believe the person that was running the update might have tried to install it twice. Our ...
1
vote
1answer
708 views

How can I tell who is using POP3/SMTP/IMAP over SSL and who isn't?

I need to determine which end users to contact, and ask them to fix their configuration or upgrade to something that supports SSL. I don't want to send a broad email and shut off the service without ...
1
vote
2answers
78 views

Maildir and users

I have pop3 local server. I want to use mail storage - Maildir format. And i have question: Maildir structure: Maildir tmp cur new Is it for one user? If i have 2 users in my pop3 ...
1
vote
1answer
47 views

POP3 Mail Account - Record of when accessed

I have a number of machines that access the same pop3 account. Does a system/server usually keep a record of when the mail account was accessed? If so what other information is usually recorded? The ...
1
vote
3answers
2k views

How can I forward to a specific MTA based on email address?

How can I forward incoming messages to a specific MTA based on the username portion of the recipient's email address? I would prefer linux-based software, but Windows would work too. Background: Our ...
1
vote
2answers
534 views

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 ...
1
vote
2answers
904 views

Starting pop3 and imap services on Mac OS X

I'm running Mac OS X (Leopard) and I've just activated Postix, as well as installed UW imapd (a server capable of handling both IMAP and POP3 traffic). The issue I'm having is that I don't know what ...