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Questions tagged [pop3]

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

As well as being supported by local e-mail clients POP3 is also supported by most webmail services such as Hotmail, Gmail and Yahoo! Mail.

POP3 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)
  • File Transfer Protocol (FTP)
  • Internet Message Access Protocol (IMAP)

POP3 on Wikipedia

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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 postmaster account accounts are accessible via web…
Agos
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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 get user domain name? Thank you.
shk
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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 connect with telnet to my server. But telnet: Unable to…
shk
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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 communicating with example.com. I can't figure out why…
nona urbiz
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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 POP3 service will this interfere with the exchange…
Elliott Shafii
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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 redirect I get a Certificate error in…
recyclerobot
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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 I'm developing an my software should propagate this…
user33760
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how to enable bounceback on internet facing linux email relay w/ Exchange 2000 backend

I have to use a Win2k/Exchange 2k setup for our companies mail. There is no way to change or upgrade that. Due to various hacking & spam scenarios that played out, we implemented a linux based relay using qmail & perdition. That seemed to quell our…
Pete
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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 added credentials to the SMTP server. But my ip…
Troj
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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 express. Thanks folks!
user55857
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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 everything on their personal gmail accounts. Since…
Sam King
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Difference between POP3 (externally hosted) and Exchange (internally hosted)?

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 internet]] --> [[johndoe@domain.com]] Is the above set-up the way to…
emtunc
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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 to keep the import feature in Gmail, which is…
Laurent
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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 much as possible. I have been reading Microsoft's…
Nick
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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 MS Exchange 2003. What I have build is a Windows…
Newbie
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