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Tips for searching the Knowledgebase
When searching the knowledgebase try to search for several words if possible. This is most likely to give the best results. It can often be useful to search for error...
Last Modified: 2005-08-22 Number of views: 6071
Determining the IP address of the VPOP3 computer
To determine the IP address of the VPOP3 computer, go to Start -> Run on the VPOP3 computer and enter ' cmd ' and press OK Now, in the command prompt window which...
Last Modified: 2007-10-01 Number of views: 3771

vDHCP (4)
General (2)
       
Most Viewed Articles
Socket Error 10053 - An established connection was aborted by the software in your host machine.
Error 10053 means that an established connection has been dropped. There are three descriptions of this error message we know about, but the descriptions are given by...
146403 views
Problems sending mail through BT Internet
When sending mail through a BT Internet SMTP mail server you get the following error from BT\'s servers: 550 Recipient not authorised [recipient rejected due to no...
58165 views
Socket Error 11004 - Valid DNS Name - No data record of requested type
Socket Error 11004 means that the DNS server which VPOP3 is talking to does not have a record of the appropriate type for the computer name which it was looking up. DNS...
57244 views
Socket Error 10055 - No buffer space is available
Error 10055 means that Windows has run out of TCP/IP socket buffers because too many connections are open at once. Things to check if this happens are: Is there any...
44146 views
Socket Error 10060 - Operation Timed Out
This error is quite self explanatory. It means that Windows reported that a connection attempt or idle connection timed out. If this error occurs during a connection...
42716 views
550 5.7.1 Unable to relay for....
When trying to send emails from your email client software you get an error in your email client \"550 5.7.1 Unable to relay for .....\' This error is happening because...
33800 views
Error 10053 or 10061 with McAfee VirusScan 8
Error 10053 can be caused by McAfee VirusScan Enterprise 8 when sending outgoing email from VPOP3. By default McAfee VirusScan 8 blocks all outgoing messages sent by...
26544 views
10053 and 10503 errors with Norton Antivirus 2004
10053 and 10503 errors can happen with certain versions of Norton Antivirus 2004. An update released in December 2004 caused Norton Antivirus to drop POP3 connections...
24296 views
SMTP Error 421
SMTP error 421 is an SMTP error meaning that the SMTP service is not currently available, but the client should try again later. VPOP3 currently can issue 4 different...
23907 views
SMTP Error "552 Message too large - contact your administrator"
If you get an error 552 Message too large - contact your administrator as soon as you try to send a message to VPOP3, then it means that the size limit in VPOP3 is set...
21780 views
Most Recent Articles
Moving VPOP3 to a new PC
Updated on 2011-06-30
Backing up VPOP3 Settings
Updated on 2011-06-23
Using VPOP3 to connect to GMAIL
Updated on 2008-11-03