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

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15 views

Hybrid exchange and POP3 setup - some POP3 mailboxes and some exchange mailboxes

I'm looking to move some mailboxes to the Office365 exchange plan, however I also need to keep existing POP3 accounts. Option 1: Is there a best practise for this setup? Do you simply allow Office365 ...
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0answers
18 views

Own company SMTP-server but feasible due to SPAM [closed]

Our company is growing. We want to set up an own e-mail-server. For this reason we are renting a root-server. This root-server has a static ip. This means we have to install a pop3/imap-server on our ...
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1answer
14 views

Using IIS smtp for incoming and outgoing and use hMailserver for mail accounts

I have installed hMailServer in one machine and IIS STMP in another machine. Even though hMailSever itself is a SMTP server. I can't avoid this because the IIS SMTP server has some hooks which which ...
-1
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1answer
38 views

SBS 2003; Exchange 2003 can't receive mails without SMTP connection but without POP3 connector [closed]

i hope you can help. I'm losing my mind. I'm not a specialist in SBS but i have a huge problem. I wanted to replace the mircosoft pop3-connector with popcon because i was told that several mails ...
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1answer
61 views

Exchange: use Port 110 for both POP3 & POP3/SSL?

On our Exchange 2010 POP3 is configured to only allow secure logon (TLS connection for authentification). Now, the default port for "plain" POP3 is 110, and for POP3 with SSL is 995, hence with the ...
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1answer
29 views

Sendmail dropping domain name from the username

I'm setting up Dovecot with Sendmail and I almost have it working (I think). The username for the account is a full email address such as "username@domain.com". What seems to be happening is that ...
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3answers
61 views

SMTP sent E-mail not copied to Sent Folder [closed]

I discovered that some (few) providers don't copy into the Sent folder those E-mails which are sent from mail clients through SMTP. They only copy them to the sent folder if you send them from their ...
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1answer
226 views

Setup pop3 mailboxes in on Windows Server 2012 datacenter

a complete beginner question but I cannot find an answer with Google: Where do I setup email accounts / POP3 mailboxes on Windows Server 2012? I setup smtp service and can send emails from the server ...
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1answer
138 views

SBS 2011 POP3 Connector tries to pick-up non-existing e-mails

Windows Server SBS 2011, running Exchange Server 2010: Our client has their own Exchange e-mail accounts, but also some old POP3 accounts which are hosted somewhere else but are still in use. So we ...
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1answer
152 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 ...
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1answer
38 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 ...
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1answer
862 views

Configuring POP3 access on Exchange 2013

I'm trying to setup POP3 access on our Exchange 2013 server. As of right now I've enabled both the POP3/POP3 backend. Both services are running. I've also enabled PlainTextLogin. I'm able to telnet to ...
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1answer
22 views

Connect to old mailaccount after domain transfer

A few days agoo we successfully launched a new website for a new client. The client had allready a simple wordpress site hosted on one.com, so we had to request a domain transfer. After the ...
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1answer
126 views

Dovecot POP3 username - does it require the @ symbol?

I'm having some mail issues which I'm trying to resolve. When I connect to my mail server using telnet should I supply my username like this: USER name or USER name@domain.com or doesn't it ...
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2answers
75 views

High performance POP3 solution that can handle a few accounts with millions of emails

Due to regulations we have to create a solution that communicates over smtp/pop3 (basically RPC over SMTP/POP3) only. Messages are sent from one application with SMTP, delivered to a mailbox, and ...
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1answer
166 views

Dovecot error: “Message ordering changed unexpectedly” after migration from courier

I have been setting up a new mail server and copied our client's old mail to it. The old server has Courier (under Plesk), we're using Dovecot on the new server. Most accounts seem to work fine ...
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1answer
42 views

Dovecot - Remove read email

Is there a way to automatically remove mail after it is read within dovecot either through a configuration or plugin? I'm running the following two packages: dovecot-core ...
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1answer
116 views

Round-robin mail forwarding in Exchange 2010

We are using Exchange 2010 to receive B2B messages as mails. To balance the increasing number of incoming mails to multiple parallel application servers, I am looking for a way to forward the mails in ...
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0answers
74 views

Dovecot: Limit time between connects?

some of my Postbox users are checking mail every 10 or 20 Seconds. It is somehow possible configure Dovecot to limit the time between every login to 1 minute?
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1answer
133 views

Postfix IMAP/POP3 migration with UIDL preservation

I have two Centos servers: The old one (server1) with Postfix and Courier as mail service, using roundcube and atmail (free) for IMAP webclient and POP3 for desktop clients too. The new one ...
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1answer
35 views

Two servers mails [closed]

is that it is possible to have two mail servers in parallel, ie a primary through which mails are routed to the outside and a secondary for the exchange of mails locally. and the two servers are ...
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1answer
253 views

Why is pop.gmail.com network is unreachable?

I am trying to connect to pop.gmail.com using the following python script, running as root: import poplib pop_conn = poplib.POP3_SSL('pop.gmail.com', 995) and after minutes of waiting I finally ...
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1answer
119 views

how to receive emails on linux? [closed]

Is there any small utility to receive emails on linux ? Ideally I would need to point mx records on my server and through just a command read all the emails received. I don't need pop3, imap, any user ...
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2answers
339 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 ...
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2answers
276 views

Dovecot Not Receiving Mail From Outside Servers

After a long and hard battle, I was able to configure postfix to send mail to outside domains. Now the problem is receiving them from outside domains. I use the pop3 protocol with dovecot, and it ...
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1answer
259 views

My POP3 server doesn't receive email

I'm using hMailServer 5.3.3, with only POP3 and POP3S protocols enabled. I can telnet to the server just fine, but I can't seem to receive emails from anywhere (gmail, outlook) I don't get any Mail ...
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1answer
48 views

Delete message from POP3 without 'quit'

Is there a way to force-delete a message from a POP3 server without sending 'quit'? So, for example, right now I have: >> dele 1 << +OK Deleted. >> quit << +OK Bye-bye. I ...
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1answer
88 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 ...
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2answers
104 views

POP download from now on [closed]

Is it possible to configure options on email server containing Postfix and Dovecot, features similar to Gmail settings: Enable POP for all mail (even mail that's already been downloaded) Enable POP ...
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1answer
259 views

Regular POP3D Attacks and Blocks

I'm using a self-hosted wordpress blog. I'm using Gmail to access my domain email accounts. I want to know, is built-in email services such as exim, etc are necessary if we are using Gmail to manage ...
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2answers
158 views

I've got very brazen pop3 attack how to protect the server?

Today I have brazen attack to my pop3-dovecot server and mail log is full over (200MB) with this kind of information: Nov 11 09:28:14 lax dovecot: pop3-login: Aborted login (auth failed, 1 attempts): ...
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2answers
600 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 ...
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1answer
936 views

Nginx configuration as a POP3/SMTP reverse proxy on DMZ [duplicate]

Possible Duplicate: nginx as smtp proxy i am here to ask help about how to configure Nginx as a reverse proxy for POP3/SMTP service. We have a Zimbra server offering services as webmail, ...
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0answers
71 views

Setting up dovecot to retrieve e-mails from distant device [closed]

I have a problem setting up dovecot. Here is the message I get from the log : Oct 30 13:47:12 cheerios dovecot: auth: Error: pam(kyle.morris,xxx.xx.xxx.xxx): pam_acct_mgmt() failed: Authentication ...
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1answer
218 views

Workaround for POP3 and catchall mailbox multiple emails issue

I previously had an issue where emails sent to multiple users would appear multiple times per user (see this thread). I have discovered the source of the issue lies in the fact that multiple emails ...
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2answers
104 views

Scan POP3 mail accounts for suspicious activity

Is there a way to scan POP3 e-mails for certain domains / keywords assuming user/passwords are known? Our company would like the ability to know if suspicious e-mails are being sent, such as e-mails ...
2
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1answer
160 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 ...
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1answer
216 views

Transfer WebMail Client mails to another WebMail Cleint

I was using web mail client provided from my hosting company. Everything i was reading or sending it was done there. Now i want to install my own web mail client like Round cube or similar. 1) Can i ...
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1answer
3k views

Windows Server 2008 SMTP & POP3 Configuration

This is the first time I have ever configured a VPS server without 3rd party applications such as Plesk control panel. I have got most functionality working in all my websites except I am very unsure ...
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0answers
524 views

Gmail trying to access hMailServer via POP3 Error

I just setup a new mail server called hMailServer on a Windows server after switching from Merak. Most users setup access through Gmail to download their messages via POP3. One user, who has a few ...
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0answers
144 views

getmail is not configured with imap and pop server

Today i am setup getmail to retrieve emails with exim4 for sending mails on my linode vps server. In configuration [getmailrc] file, i am using imap server with port number 143 shown below: ...
4
votes
1answer
846 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 ...
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2answers
397 views

Exchange 2010 can't find SSL certificate that exists

I'm trying to set up TLS for the POP3 server in the Exchange CAS role. I purchased a cert from NameCheap, and the CA path is fully trusted, and installed it within the Certificates MMC snap-in ...
3
votes
1answer
402 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 ...
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6answers
848 views

MX record, different mail and web server

My domain(www.site.com) is hosted on a webserver running cPanel. My mails are handled by my ISP's server. To retrieve my mails, I use the following setting given by my ISP: pop3.isp.com smtp.isp.com ...
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3answers
1k 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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0answers
82 views

Avast stopping POP3 Connector when virus is found in SBS 2003

I am having an issue in SBS 2003 where Avast is causing the POP3 Connector to freeze when it finds a virus in an email. The only way to get it to work is to kill the pop3 connector and remove the ...
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1answer
518 views

Dovecot not working pop3 with postfix

$ telnet localhost pop3 Trying ::1... Trying 127.0.0.1... telnet: Unable to connect to remote host: Connection refused $ netstat -l tcp 0 0 *:www : LISTEN tcp 0 0 localhost.localdoma:ipp : LISTEN ...
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2answers
1k views

plesk + high POP3/IMAP traffic, how to check details?

Please check this image, it's a screenshot from plesk 10 of 1 domains mail traffic: This domain has about 1GB POP3/IMAP (OUT) traffic each day. I know that this is not normal because I know the ...
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2answers
1k views

Easy SMTP/POP3 Server for multiple domains

I've got a postfix & dovecot setup running on my Ubuntu 10.4 server. This works good but the configuration/management seems a bit overblown for my use case. Now I need to reinstall this Server and ...