Domino 9 und frühere Versionen > Administration & Userprobleme

POP3 Protocol Error

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koehlerbv:
Hi Guti & Dirk,

it seems that the circumstances recognised by Guti are a specific 5.0.7a problem. I just made a check with 5.0.8 and a POP account receiving a 3 MB email (to have enough time to observe the conection). Here are the results which are showing only one connection:

Netstat:

--- Zitat ---Aktive Verbindungen

  Proto  Lokale Adresse         Remoteadresse          Status
  TCP    PCBKXP:1025            localhost:44334        HERGESTELLT
  TCP    PCBKXP:1027            localhost:1029         HERGESTELLT
  TCP    PCBKXP:1029            localhost:1027         HERGESTELLT
  TCP    PCBKXP:1035            localhost:44334        HERGESTELLT
  TCP    PCBKXP:1037            localhost:1040         HERGESTELLT
  TCP    PCBKXP:1040            localhost:1037         HERGESTELLT
  TCP    PCBKXP:1055            localhost:1056         HERGESTELLT
  TCP    PCBKXP:1056            localhost:1055         HERGESTELLT
  TCP    PCBKXP:44334           localhost:1025         HERGESTELLT
  TCP    PCBKXP:44334           localhost:1035         HERGESTELLT
  TCP    PCBKXP:1053            11-111-11-111.xxxxxxx.xdsl-line.inode.at:1533  HE
RGESTELLT
  TCP    PCBKXP:1106            pop1.mail.vip.ukl.yahoo.com:pop3  HERGESTELLT

C:\>
--- Ende Zitat ---
There is one sametime connection (from my R6 client to our server in Vienna) and the POP connection.

Here is the POP3 log from Notes:

--- Zitat ---26.02.2006 14:33:46   Index-Aktualisierungsvorgang gestartet
26.02.2006 14:33:52   [0CA8:0002-0CAC] POP3Client: GetMessageCount
26.02.2006 14:33:52   [0CA8:0002-0CAC] POP3Client: Connect: Host
pop.mail.yahoo.dk, Port 110, Use SSL: 0
26.02.2006 14:33:52   [0CA8:0002-0CAC] POP3Client: ReceiveResponse: +OK hello
from popgate(2.34.1)
26.02.2006 14:33:52   [0CA8:0002-0CAC] POP3Client: Connect: pop3 greeting -
26.02.2006 14:33:52   [0CA8:0002-0CAC] POP3Client: Authenticate: User
, Pass xxx
26.02.2006 14:33:52   [0CA8:0002-0CAC] POP3Client: CommandUSER: <username>
26.02.2006 14:33:52   [0CA8:0002-0CAC] POP3Client: ReceiveResponse: +OK
password required.
26.02.2006 14:33:52   [0CA8:0002-0CAC] POP3Client: CommandPASS: xxx
26.02.2006 14:33:53   [0CA8:0002-0CAC] POP3Client: ReceiveResponse: +OK
maildrop ready, 1 message (4251568 octets) (4269405 1073741824)
26.02.2006 14:33:53   [0CA8:0002-0CAC] POP3Client: CommandSTAT:
26.02.2006 14:33:53   [0CA8:0002-0CAC] POP3Client: ReceiveResponse: +OK 1
4251568
26.02.2006 14:33:53   [0CA8:0002-0CAC] POP3Client: ReceiveResponse: +OK 1
4251568
26.02.2006 14:33:53   [0CA8:0002-0CAC] POP3Client: CommandSTAT: 1 4251568
26.02.2006 14:33:53   [0CA8:0002-0CAC] POP3Client: CommandQUIT:
26.02.2006 14:33:53   [0CA8:0002-0CAC] POP3Client: ReceiveResponse: +OK server
signing off.
26.02.2006 14:33:53   [0CA8:0002-0CAC] POP3Client: RetrieveMessages
26.02.2006 14:33:53   [0CA8:0002-0CAC] POP3Client: Connect: Host
pop.mail.yahoo.dk, Port 110, Use SSL: 0
26.02.2006 14:33:53   [0CA8:0002-0CAC] POP3Client: ReceiveResponse: +OK hello
from popgate(2.34.1)
26.02.2006 14:33:53   [0CA8:0002-0CAC] POP3Client: Connect: pop3 greeting -
26.02.2006 14:33:53   [0CA8:0002-0CAC] POP3Client: Authenticate: User
<username>, Pass xxx
26.02.2006 14:33:53   [0CA8:0002-0CAC] POP3Client: CommandUSER: <username>
26.02.2006 14:33:54   [0CA8:0002-0CAC] POP3Client: ReceiveResponse: +OK
password required.
26.02.2006 14:33:54   [0CA8:0002-0CAC] POP3Client: CommandPASS: xxx
26.02.2006 14:33:54   [0CA8:0002-0CAC] POP3Client: ReceiveResponse: +OK
maildrop ready, 1 message (4251568 octets) (4269405 1073741824)
26.02.2006 14:33:54   [0CA8:0002-0CAC] POP3Client: RetrieveMessages
26.02.2006 14:33:54   [0CA8:0002-0CAC] POP3Client: CommandSTAT:
26.02.2006 14:33:54   [0CA8:0002-0CAC] POP3Client: ReceiveResponse: +OK 1
4251568
26.02.2006 14:33:54   [0CA8:0002-0CAC] POP3Client: ReceiveResponse: +OK 1
4251568
26.02.2006 14:33:54   [0CA8:0002-0CAC] POP3Client: CommandSTAT: 1 4251568
26.02.2006 14:33:54   [0CA8:0002-0CAC] POP3Client: RetrieveMessage: 1
26.02.2006 14:33:54   [0CA8:0002-0CAC] POP3Client: CommandUIDL: 1
26.02.2006 14:33:54   [0CA8:0002-0CAC] POP3Client: ReceiveResponse: +OK 1
84fce25e650907c9d6f0c616bd08a43d
26.02.2006 14:33:54   [0CA8:0002-0CAC] POP3Client: CommandUIDL:
84fce25e650907c9d6f0c616bd08a43d
26.02.2006 14:33:55   [0CA8:0002-0CAC] POP3Client: CommandRETR: 1
26.02.2006 14:33:58   [0CA8:0002-0CAC] POP3Client: ReceiveResponse: +OK 4306374
octets
26.02.2006 14:34:28   [0CA8:0002-0CAC] POP3Client: CommandDELE: 1
26.02.2006 14:34:28   [0CA8:0002-0CAC] POP3Client: ReceiveResponse: +OK message
1 marked deleted
26.02.2006 14:34:28   [0CA8:0002-0CAC] POP3Client: CommandQUIT:
26.02.2006 14:34:28   [0CA8:0002-0CAC] POP3Client: ReceiveResponse: +OK server
signing off.
--- Ende Zitat ---

As we can see the POP client authentificated itself two times with the POP server: The first time to get the amount of messages waiting, the second time to receive the message(s) itself.

Bernhard

gutich:
Hi, Bernhard and Dirk,

First of all thank you very, very much for your help. Sorry I said nothing yesterday but I have been away.

You are both right. My provider (Terra) is gradually limiting the POP access rights so that two consecutive logins are not allowed, because I have five email accounts with this provider and the error did happen with only one account at first, then (last Friday) with tree and today with all of the five accounts. They do not seem to have an IMAP server, by the way.

As Bernhard says, every time I check for incoming email, the Notes POP client authenticates itself twice with the POP server, and it is the second authentication attempt which makes the entire process fail (since the provider throws the error I mentioned).

I want Notes to keep being my email client, so I have thought about two possible ways to fix this problem: to install a POP3 proxy in my machine (which I would configure to introduce a delay between the two authentication attempts) or to upgrade to a newer version of Notes, say, 7.0. I would prefer this in the case this issue is addressed with 7.0.

Could you suggest me anything? Could you please test (in case you have a 7.0 installation) whether Notes keep doing the authentication twice?

Thanks again and kind regards from Madrid

Guti

hallo.dirk:
Hello Guti,

is it possible for us to create also a e-mail account on your provider ?
I can offer you to test it with my Notes 7 client, but I don't know any German provider which use this security feature...

Maybe you can create a test account for me. If your're able, just PM me the logindata.

Dirk

gutich:
Hi,

I installed Notes 7.0 and finally it worked fine  :)   The log revealed that only one connection attempt is made with this version, so the problem is solved.

I'm posting this message to thank you for your help and to let you know the result, in case another colleague experiences the same problem with R5.

Kind regards from Madrid

Guti

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