Server Fault Stack Exchange
Server Fault Stack Exchange

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

243 questions
1
vote
2 answers

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 wondering if there is a service like this? I use…
David Mackey
  • 677
  • 2
  • 13
  • 28
1
vote
1 answer

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 it off to send the right request to the LDAP…
Danny Lo
  • 111
  • 4
1
vote
1 answer

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 to send from the domain, whilst keeping the old…
RemarkLima
  • 113
  • 1
  • 7
1
vote
1 answer

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 encrypts and decrypts the incoming and outgoing…
user214823
  • 11
  • 2
1
vote
1 answer

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 when the username is passed over to dovecot-lda from…
Nick
  • 11
  • 2
1
vote
1 answer

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 to be accessed by MS Outlook. I know there is the…
kiltek
  • 143
  • 1
  • 7
1
vote
1 answer

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 transfer, we noticed that the mailbox wasn't synced with…
Gigi2m02
  • 131
  • 4
1
vote
1 answer

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 matter? Thanks, Joe
JoeS
  • 113
  • 4
1
vote
2 answers

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 picked up by another application with POP3,…
webern
  • 13
  • 2
1
vote
1 answer

Windows Server 2003 POP3 Service not receiving non-domain emails

I'm trying to configure the included POP3/SMTP services in Windows Server 2003 Standard Edition. The POP3 service is only receiving messages from accounts on the domain and from no place else. I'm using Outlook to send and receive messages. I can…
user15754
1
vote
1 answer

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 (under IMAP or POP3), but for a few we're getting the…
DaedalusFall
  • 197
  • 2
  • 12
1
vote
1 answer

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 a round-robin fashion. We cannot have more than…
Axel Kemper
1
vote
2 answers

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 pretty much everything from customers, suppliers,…
CityNeonRain
1
vote
2 answers

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 seems to work pretty well (except for this problem).…
Ian
  • 139
  • 3
  • 9
1
vote
1 answer

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 emails? I have only 2 accounts on server: root and…
Another Blogger
  • 15
  • 5
1 2 3
…
16 17