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--- reference:diagnostics [2012/07/19 17:17] – created simon
+++ reference:diagnostics [2012/07/23 09:13] – simon
@@ Line 20: / Line 20: @@
 The **General** tab allows you to specify the directory where VPOP3 will store the log files, change settings for the main VPOP3 log file, and preview some important log files.
-**Log Path**: Since version 5, the default location is the //**_logs**// folder, within the VPOP3 directory. //e.g. C:\VPOP3\_logs//\\
+**Log Path**<nowiki>*</nowiki>: Since version 5, the default location is the //**_logs**// folder, within the VPOP3 directory. //e.g. C:\VPOP3\_logs//\\
 **Log Level**: How much is logged into the main diagnostic file, //vpop3.log// (Setting this to **Full Logging** may cause VPOP3 to run more slowly, but this is rarely noticeable).\\
 **Maximum log size**: How large (in kilobytes) //vpop3.log// will be allowed to grow, before it is archived as //vpop3.lbk//
@@ Line 33: / Line 33: @@
   * **View SMTP Rules Log** - //smtprules.log//
   * **View Virus Scanner Log** - //viruscan.log//
+* //This setting does not affect certain log files, such as **exceptions.log**, which VPOP3 writes to when there is a significant performance issue, or a crash is imminent. To save time, and therefore increase the likelihood of VPOP3 being able to record the event, it will only look for **exceptions.log** in the root of the VPOP3 directory.//
 ====Session Logs====
@@ Line 52: / Line 54: @@
 ====Temporary/Archived Files====
+The **Temporary/Archived Files** tab allows you to enable a specific kind of logging, that is rarely (but occasionally) applicable in recent versions of VPOP3.\\
+Because the files are now of very limited use, we do not recommend enabling these options, unless our Support team have specifically told you to do so.
+When these settings are enabled, VPOP3 will rename certain redundant files, instead of deleting them, so they can be inspected afterwards.
+There are three checkboxes:
+  * **Keep Temporary Files** (Rename files to D*.DAT instead of deleting them)
+  * **Automatically delete Temporary Files after** [-] **days** - //sets a maximum time for retaining old files, to limit the storage of old data//
+  * **Archive Error Files** - //retain files that may contain important diagnostic information, related to an error//
+There are two buttons, which will remove all retained temporary and error files:
+  * **Delete All Temporary Files Now**
+  * **Delete All Archive Files Now**
 ====Log File Sizes====
+The **Log File Sizes** tab allows you to control the maximum size of various types of log file, and how long the files are kept.
+===How long to keep OLD log files===
+  * **Keep** [-] **old log files** - //The number of **.lbk** files to keep for each type of log - this is the default setting, and usually requires less disk space, but on a busy server, some log files will only cover a few seconds before filling up//
+  * **Keep old log files for** [-] **days** - //The length of time to keep old log files - this can result in lots of files being stored, but should ensure you have time to inspect an issue, before the logs are overwritten//
+===OLD Log file disk usage===
+  * **Use no more than** [-] **MB for old log files (*.LBK)** - //This setting limits the amount of disk space taken up by old log files//
+  * **Delete old log files (*.LBK) if less than** [-] **MB free disk space** - //This setting prevents VPOP3 from completely filling up a disk with old log files. When this threshold is reached, VPOP3 will begin removing old log files, to free up more disk space//
+**//Note//**: Despite these settings, VPOP3 will not delete any **.log** file, or the most recent **.lbk** file.
+===Maximum file sizes===
+It is possible to set the maximum file size, for the following logs:
+^Description  ^Filename(s)  ^Default size (kB)  ^
+|Main Log File  |vpop3.log  |1024  |
+|Main Error Log File  |errors.log  |1024  |
+|Session Log Files  |pop3svr.log, smtpsvr.log, imapsvr.log, nntpsvr.log, pop3clt.log, smtpclt.log, nntpclt.log  |1024  |
+|Download Rules Log  |dlrules.log  |100  |
+|SMTP Rules Log  |smtprules.log  |100  |
+|Security Log  |security.log  |100  |
+|Virus Scanner Log  |viruscan.log  |100  |
+|External Router Log  |extrouter.log  |100  |
+|HTTP Client Log  |httplog.txt  |100  |
+|AV Update Log  |avupdate.log  |100  |
+|SMTP Transcript Log  |smtptranscript.log  |100  |
+|POP3 Transcript Log  |pop3transcript.log  |100  |
+|Lua Errors Log  |luaerrors.log  |100  |
+|Instant Messaging Log  |vpop3_im.log  |1024  |
+|Spam Rules Log  |spamrules.log  |1024  |
+|Webmail Access Log  |webmail.log  |100  |

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