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

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942 views

Linux Postfix Setup on a fresh VPS [closed]

I've launched a new VPS with CentOS 5. It's pretty skeletal, nothing setup. I'm trying to configure my mail server to handle my email: contact@domainname.com My DNS settings live on GoDaddy.com. I ...
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1answer
39 views

how to setup a service that will forward pop3 emails to another pop3 server

I have a pop3 account only accessible from the localhost ip (its a gatewate service running locally and cannot be exposed outside of the machine) I would like to setup a service (its a windows 7 ...
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2answers
607 views

Any dovecot gotchas I should be aware of? Any alternatives to dovecot mailserver apart from qmail?

we are currently thinking about running a medium size mail service. Currently, dovecot seems to be the a good fit and we are about to setup a small test environment to check out some integration ...
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1answer
712 views

Problem with POP3 protocol & iPhone

We've run a custom pop3 server without problems for many years. But now some clients are trying to use iPhones and there is some mysterious incompatibility. For emails over a certain size (for tests ...
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3answers
250 views

How to use different address for pop.gmail.com

I've been searching for a way to hide the gmail server name (pop.gmail.com and smtp.gmail.com). I want the email client (outlook) to point to our own server (say, pop.myserver.com), which in the end ...
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1answer
233 views

Dovecot SQL authentication: How to differentiate between IMAP and POP3 access?

We are running courier currently which enables us to set different SQL userdb queries for IMAP and POP3. We need this because we do not want to give all users IMAP access, a boolean column in the ...
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1answer
586 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 ...
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3answers
168 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 ...
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1answer
107 views

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 SMTP server. There are also different domains. How can I do ...
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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: ...
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2answers
280 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 ...
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1answer
145 views

Postfix, Courier POP3 root account receiving all mail

I have installed Postfix and Courier pop3 on Ubunto Hardy. I setup MX record to point to the server I built and it is working to some extend. I can email root@myFQDN.com from outlook and it works OK. ...
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1answer
2k views

550 5.7.1 Your email messages have been blocked by the recipient OR by Trend Micro Email Reputation Service

I have an email account with POP3 connection and I am having a problem sending emails when I'm out of the office. I keep getting this email error message "550 5.7.1 Your email messages have been ...
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2answers
63 views

SMTP and POP3 Restriction

My Network administrators decided to disable SMTP and POP3 ? I can't use Outlook, Apple Mail or Thunderbird ? is there a way to get around this ?
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1answer
52 views

Backing up mail accounts without full access to mailserver

I'm in the process of migrating some stuff from a (crappy) hosting. Files were easy with SSH access, but mail is giving me some thoughts. This is the situation: qmail server, no ssh access I own ...
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1answer
31 views

POP3 get domain name for autorization

I have pop3 server and 2 domain names. In pop3 session how nca i know what the user's domain connected? We have: C: user name S: OK+ C: pass password S: OK+ We have only user name. Where can i ...
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1answer
178 views

DynDns and localserver

I bind dyndns host to my local computer. My router - Zyxel P-600. In my router settings in DynDns tab i set my accaunt dyndns settings. I 110 port forward. Then i set up pop3 server. I try to ...
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1answer
228 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 ...
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1answer
244 views

Dovecot immediately logs off user

I'm trying to set up email on my server, and have successfully set up POP3 with gmail for my main account. When attempting to set up another user though, gmail reports ` There was a problem ...
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3answers
235 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 ...
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1answer
270 views

Running POP3 and Exchange on the same server?

We have a Windows 2003 server running Exchange. We have a service that needs to use POP3 or IMAP to access incoming emails to insert records into a database based on those emails. If I start the ...
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1answer
777 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 ...
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1answer
1k views

pop.gmail.com custom CNAME redirect own DNS record (Google Apps)

I've been searching everywhere to see if there's a way to get your own URL for Google Apps imap/pop, so users can enter pop.xxxx.com as POP server to get their google apps mail When I try a CNAME ...
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2answers
82 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 ...
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1answer
165 views

Mail POP Server Trigger

We have this platform that monitor the health of our entire network, when an incident (server down, link down, link up, etc.) occurs, it send an alert. This alert should be catch by a software that ...
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1answer
554 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 ...
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1answer
48 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 ...
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2answers
551 views

SMTP server hacked and Spammed - hotmail.com blacklisted

We recently set upp a new SMTP server and during the night someone used it to spamm. Next day We saw that it was over 90 000 mails in the queue folder. After that I chaned the incoming port and also ...
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1answer
149 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 ...
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3answers
85 views

Please advice pop3 email collector

I am looking for software that can collect emails from many (hundreds, thousands) mailboxes and store it in a local pop3 server. So that I can download all of them from the local pop3 using outlook ...
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3answers
3k 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 ...
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1answer
336 views

Find my POP server's address

I recently took over a server (Ubuntu 9) that is set up to send and receive email and uses RoundCube as its webmail interface. The folks who use the machine don't like RoundCube and want to do ...
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1answer
1k views

Difference between POP3 (externally hosted) and Exchange (internally hosted)?

So right now our set-up looks like this: To receive email: [[Our e-mail host]] --> POP3 [[Our Exchange 2003 server]] To send e-mail: [[Our Exchange 2003 server]] --> SMTP --> [[Zen ...
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1answer
311 views

How to force keeping mails with Dovecot/POP3?

I want to get rid of POP3 to prevent mails being moved from the server to the computer with a client like Outlook/Thunderbird (the default behavior of this protocol). However, some "power users" want ...
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1answer
298 views

POP mail to Exchange online Migration

At work we want to migrate to Exchange online from our current setup of using rackspace hosted POP email. We have about 50 people planned for migration and want to minimize email downtime for them as ...
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2answers
202 views

Changing POP Emails To Exchange

What I have is my emails going to my domain name, "DOMAIN1.com.au". I have setup a Server 2003 with Exchange 2003 on a test computer. I have created a domain on this computer, "DOMAIN2". Could ...
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3answers
96 views

Setting Up My Own Exchange 2003 Server

What I have is my emails being hosted through an email provider - Crazy Domains. At the moment I am just popping the emails down to my outlook client on 1 computer. I would like to learn more about ...
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3answers
523 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 ...
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2answers
2k views

Can't log into POP3 account using Exim/Dovecot mail server (debian)

I'm trying to set up a mail server for our dedicated server, and the only thing remaining that doesn't work is the POP login. The outlook dialog box just keep asking me for the right user ...
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2answers
972 views

POP3 authentication using email address in Exchange

I'm running an Exchange 2010 server. I need to allow POP3 authentication using an email address as the user ID instead of the domain username. Here's an example: AD Domain: domain.local Email ...
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2answers
1k views

Silent Outlook popups regarding self-signed certificate when connecting to pop3-ssl server

When MS Outlook (2003/2007/2010) connect to pop3-ssl server and the server certificate is selfsigned it opens a dialog whether or not user wants to accept it. Is it possible to suppress this message ...
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1answer
532 views

Average mail quota usage: tricks to implement unlimited email quota

I suppose that hosters who provides unlimited mail quota are only claiming it unlimited, and hope that they won't run out of disk space. Correct me if I'm wrong. In order to do such trick they will ...
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2answers
737 views

Outlook 2003 items stuck in outbox after sent (POP3)

I have a PC, when the user sends an item it's stuck in the outbox after sending. The strange thing is that the mails are being sent to the recepient. It's just that Outlook doesn't move it from Outbox ...
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1answer
3k views

Gmail POP3 with openssl command line: hangs while RETR-ing

I want to use openssl s_client for accessing Gmail POP3S server. I am doing the following: $ openssl s_client -connect pop.gmail.com:995 +OK Gpop ready for requests from <removed: ip> ...
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2answers
629 views

Connecting to Exchange Server 2003 over POP using openssl s_client

I'm trying to fetch emails programmatically from Exchange 2003 over POP. As a proof of concept I'm trying to connect using openssl s_client. I've started the POP service on my Exchange server. ...
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2answers
5k views

how to trace an outlook mail not arriving to its destination when is sent to another domain?

I have an domain account configured with Ipower.com. If I use an email client such as Evolution, the mails arrive as expected. However if I use Outlook 2007 (as everybody in this company) the mails ...
2
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2answers
694 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 ...
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1answer
2k views

Zimbra pop3 not accepting connections

We have a new Zimbra server (Release 5.0.18_GA_3011.UBUNTU8 UBUNTU8 FOSS edition) running and it was working great until we changed the host name following documented procedures. Now the server is ...
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3answers
105 views

Mail server (Win2003) can't receive emails, why?

Everything is fine when checking with smtdiag.exe Everything works fine with telnet. Tried from outside, connect to mail server everything works fine also - this means no ports are blocked. The ...
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1answer
74 views

Why SMTP service should be started for email receiving?

Windows Server 2003, SP2. Configured both mail services POP3 and SMTP. And found, that when SMTP service is stopped, pop3 service doesnt receiving email messages... outlook express is configured to ...