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	<id>https://sylverant.net/wiki/index.php?action=history&amp;feed=atom&amp;title=Packet_0x81</id>
	<title>Packet 0x81 - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://sylverant.net/wiki/index.php?action=history&amp;feed=atom&amp;title=Packet_0x81"/>
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	<updated>2026-04-16T13:09:39Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.43.0</generator>
	<entry>
		<id>https://sylverant.net/wiki/index.php?title=Packet_0x81&amp;diff=100&amp;oldid=prev</id>
		<title>Fuzziqersoftware at 04:44, 12 January 2010</title>
		<link rel="alternate" type="text/html" href="https://sylverant.net/wiki/index.php?title=Packet_0x81&amp;diff=100&amp;oldid=prev"/>
		<updated>2010-01-12T04:44:16Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 04:44, 12 January 2010&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Clients send Packet 0x81 to the server to send a simple mail to a recipient. The server sends it to clients to deliver the mail. Note, a lot of this packet is pretty much not understood by me, but I do know enough to actually translate messages DC&amp;lt;-&amp;gt;PC enough that they work.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Clients send Packet 0x81 to the server to send a simple mail to a recipient. The server sends it to clients to deliver the mail. Note, a lot of this packet is pretty much not understood by me, but I do know enough to actually translate messages DC&amp;lt;-&amp;gt;PC enough that they work.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;It seems that the game doesn&#039;t clear the entire message buffer before sending a message, so some random data (probably meaningless) ends up in the sent packet. Simple Mail packets can be shortened by the server (to remove excess garbage), and clients will still accept them.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Dreamcast Packet Format==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Dreamcast Packet Format==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Fuzziqersoftware</name></author>
	</entry>
	<entry>
		<id>https://sylverant.net/wiki/index.php?title=Packet_0x81&amp;diff=59&amp;oldid=prev</id>
		<title>BlueCrab: Add page about Packet 0x81.</title>
		<link rel="alternate" type="text/html" href="https://sylverant.net/wiki/index.php?title=Packet_0x81&amp;diff=59&amp;oldid=prev"/>
		<updated>2009-12-29T01:00:35Z</updated>

		<summary type="html">&lt;p&gt;Add page about Packet 0x81.&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Clients send Packet 0x81 to the server to send a simple mail to a recipient. The server sends it to clients to deliver the mail. Note, a lot of this packet is pretty much not understood by me, but I do know enough to actually translate messages DC&amp;lt;-&amp;gt;PC enough that they work.&lt;br /&gt;
&lt;br /&gt;
==Dreamcast Packet Format==&lt;br /&gt;
{| border=&amp;quot;1&amp;quot;&lt;br /&gt;
! Bytes !! Meaning&lt;br /&gt;
|-&lt;br /&gt;
| 0x0000 || Packet Type (0x81)&lt;br /&gt;
|-&lt;br /&gt;
| 0x0001 || Flags (0x00)&lt;br /&gt;
|-&lt;br /&gt;
| 0x0002-0x0003 || Packet Size (0x0220)&lt;br /&gt;
|-&lt;br /&gt;
| 0x0004-0x0007 || Player Tag (0x00010000)&lt;br /&gt;
|-&lt;br /&gt;
| 0x0008-0x000B || Guildcard Number of Sender&lt;br /&gt;
|-&lt;br /&gt;
| 0x000C-0x001B || Name of Sender&lt;br /&gt;
|-&lt;br /&gt;
| 0x001C-0x001F || Guildcard Number of Destination&lt;br /&gt;
|-&lt;br /&gt;
| 0x0020-0x00B0 || Message to be sent&lt;br /&gt;
|-&lt;br /&gt;
| 0x00B1-0x021F || Unknown&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
[[Category:PSO Server Protocol]]&lt;/div&gt;</summary>
		<author><name>BlueCrab</name></author>
	</entry>
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