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

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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: ...
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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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1answer
576 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
221 views

Dovecot + OpenLDAP

I am trying to get dovecot 2.0.19 authenticate users via LDAP (OpenLDAP 2.4.28) and using Wireshark to debug the process. It looks like the basic configuration of dovecot is fine, but it doesn't pull ...
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1answer
286 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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1answer
519 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
356 views

Windows mail server that supports username wildcard aliases?

Is there any free mail server (in this case POP3) for Windows that supports aliases? e.g. User name: iboyd Aliases: ian@serverfault.com ian.*@serverfault.com ...
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1answer
82 views

Hmailserver and Outlook 2013 can send but not receive any emails in POP3 or IMAP

I'm having problems receiving any email from outlook. I can send email through smtp using comcast (my isp) without a problem, but I can't receive any email using either personal pop3 configured in ...
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1answer
121 views

Can't send email on Windows Server 2008 with Mailenable

I've got a VPS running on Windows Server 2008 and I'm using Mailenable as an Email Server for POP3 and SMTP. I've had the VPS since January 2015, its my first time configuring a server by myself, but ...
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1answer
601 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 ...
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1answer
363 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
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
302 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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1answer
298 views

pop3 IIS 6 , allow remote connections

I'm using a EC2 windows 2003 instance. I managed to install pop3 and i can connect to it locally (using outlook express with the remote desktop) and the server address is the machine name. I also ...
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1answer
166 views

Cannot Connect to POP Email Server via Third-Party Mail Client

I am trying to set up a POP email account via a third-party mail client in my office and can't do it. I have tried both Apple's Mail app and Mozilla Thunderbird, but I keep getting told that I have ...
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1answer
3k views

Mail server: can't connect via POP/IMAP

I've followed this guide on setting up a mail server on my dedicated server. I've been able to send mails from the php application I'm using and the linux commandline (using telnet, php, etc). The ...
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1answer
237 views

ehcp - access pop3 account

I finally manage to get mail working with ehcp on an ubuntu server. I can get and send email from the webmail, but I can't seems to be able to access the pop3. I can telnet to the pop3 (server?) but ...
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0answers
184 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. ...
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0answers
39 views

the delivery report includes the original letter

We have installed windows server 2008 R2 Enterprise and Microsoft Exchange 2010. The clients use Outlook from Microsoft Office 2010. if we use POP3 protocol between exchange and user then the delivery ...
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0answers
792 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
212 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: ...
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0answers
96 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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0answers
33 views

Proxy/Gateway/Router server for specific ports only

Sorry, i don't know the correct term for this type of server. English is not my primary language. This is what i want to do : I am migrating my already running web app to Google compute engine (My ...
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0answers
98 views

Exchange 2013 not showing IMAP or POP3 server

When going on Settings for POP or IMAP Access via OWA, all the settings show Not available. I made sure that Microsoft Exchange IMAP4, Microsoft Exchange IMAP4 Backend, Microsoft Exchange POP3 and ...
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0answers
17 views

Mailings to specific email provider causing popstate corruption?

We send out a weekly mailing to several thousand subscribers using an old version of Lyris ListManager, and have done so for years without incident. Every month or so starting about a year ago, two ...
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0answers
310 views

Exchange 2013 pop3 authentication issue

We have two 2013 sp1 CAS servers which accept 995 and 993 connections through a hardware load balancer. When testing the POP3 connection in Outlook it will log in and send and receive but on a regular ...