<style>
/* Changing the layout to use less space for mobiles */
@media screen and (max-device-width: 480px), screen and (-webkit-min-device-pixel-ratio: 2) {
    #email-body { min-width: 30em !important; }
    #email-page { padding: 8px !important; }
    #email-banner { padding: 8px 8px 0 8px !important; }
    #email-avatar { margin: 1px 8px 8px 0 !important; padding: 0 !important; }
    #email-fields { padding: 0 8px 8px 8px !important; }
    #email-gutter { width: 0 !important; }
}
</style>
<div id="email-body">
<table id="email-wrap" align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#f0f0f0;color:#000000;width:100%;">
    <tr valign="top">
        <td id="email-page" style="padding:16px !important;">
            <table align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#ffffff;border:1px solid #bbbbbb;color:#000000;width:100%;">
                <tr valign="top">
                    <td bgcolor="#003366" style="background-color:#003366;color:#ffffff;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;line-height:1;"><img src="http://jira.qos.ch/s/en_USb9v8hf-418945332/850/27/_/jira-logo-scaled.png" alt="" style="vertical-align:top;" /></td>
                </tr><tr valign="top">
    <td id="email-banner" style="padding:32px 32px 0 32px;">
        
                
        
        
            <table align="left" border="0" cellpadding="0" cellspacing="0" width="100%" style="width:100%;">
    <tr valign="top">
        <td style="color:#505050;font-family:Arial,FreeSans,Helvetica,sans-serif;padding:0;">
                                        <img id="email-avatar" src="http://jira.qos.ch/secure/useravatar?avatarId=10122" alt="" height="48" width="48" border="0" align="left" style="padding:0;margin: 0 16px 16px 0;" />
                        <div id="email-action" style="padding: 0 0 8px 0;font-size:12px;line-height:18px;">
                                    <a class="user-hover" rel="feilong" id="email_feilong" href="http://jira.qos.ch/secure/ViewProfile.jspa?name=feilong" style="color:#326ca6;">feitianbenyue</a>
     created <img src="http://jira.qos.ch/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#326ca6;text-decoration:none;' href='http://jira.qos.ch/browse/LOGBACK-1067'>LOGBACK-1067</a>
            </div>
                        <div id="email-summary" style="font-size:16px;line-height:20px;padding:2px 0 16px 0;">
                <a style='color:#326ca6;text-decoration:none;' href='http://jira.qos.ch/browse/LOGBACK-1067'><strong>The SMTPAppender's cyclicBufferTracker bufferSize param does't work</strong></a>
            </div>
                    </td>
    </tr>
</table>
    </td>
</tr>
<tr valign="top">
    <td id="email-fields" style="padding:0 32px 32px 32px;">
        <table border="0" cellpadding="0" cellspacing="0" style="padding:0;text-align:left;width:100%;" width="100%">
            <tr valign="top">
                <td id="email-gutter" style="width:64px;white-space:nowrap;"></td>
                <td>
                    <table border="0" cellpadding="0" cellspacing="0" width="100%">
                        <tr valign="top">
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
        <strong style="font-weight:normal;color:#505050;">Issue Type:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
                <img src="http://jira.qos.ch/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug">        Bug
    </td>
</tr>                        <tr valign="top">
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
        <strong style="font-weight:normal;color:#505050;">Affects Versions:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
                    1.1.3            </td>
</tr>
                        <tr valign="top">
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
        <strong style="font-weight:normal;color:#505050;">Assignee:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
                                        <a class="user-hover" rel="logback-dev@qos.ch" id="email_logback-dev@qos.ch" href="http://jira.qos.ch/secure/ViewProfile.jspa?name=logback-dev%40qos.ch" style="color:#326ca6;">Logback dev list</a>
                </td>
</tr>                                                <tr valign="top">
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
        <strong style="font-weight:normal;color:#505050;">Components:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
                    logback-classic            </td>
</tr>
                        <tr valign="top">
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
        <strong style="font-weight:normal;color:#505050;">Created:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
        26/Apr/15 6:43 PM
    </td>
</tr>                        <tr valign="top">
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
        <strong style="font-weight:normal;color:#505050;">Description:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
        <p style='margin-top:0;margin-bottom:10px;'>I config a SMTPAppender</p>

<p style='margin-top:0;margin-bottom:10px;'>      <appender name="EMAIL" class="ch.qos.logback.classic.net.SMTPAppender"><br/>
              <Subject>TESTING: %logger</p>
{20}
<p style='margin-top:0;margin-bottom:10px;'> - %m</Subject></p>

<p style='margin-top:0;margin-bottom:10px;'>               <SMTPHost>$</p>
{smtpHost}
<p style='margin-top:0;margin-bottom:10px;'></SMTPHost><br/>
               <To>$</p>
{to}
<p style='margin-top:0;margin-bottom:10px;'></To><br/>
               <From>$</p>
{from}
<p style='margin-top:0;margin-bottom:10px;'></From><br/>
                <charsetEncoding>utf-8</charsetEncoding><br/>
                <includeCallerData>true</includeCallerData></p>

<p style='margin-top:0;margin-bottom:10px;'>              <layout class="ch.qos.logback.classic.PatternLayout"><br/>
                        <pattern>%d</p>
{yyyy-MM-dd HH:mm:ss}
<p style='margin-top:0;margin-bottom:10px;'> %-5level (%F:%L) %method() - %m%n</pattern><br/>
                </layout></p>

<p style='margin-top:0;margin-bottom:10px;'>              <cyclicBufferTracker class="ch.qos.logback.core.spi.CyclicBufferTracker"><br/>
                        <bufferSize>2</bufferSize><br/>
                </cyclicBufferTracker><br/>
        </appender></p>


<p style='margin-top:0;margin-bottom:10px;'>I set bufferSize value =2</p>


<p style='margin-top:0;margin-bottom:10px;'>But when i run my java code:</p>

<p style='margin-top:0;margin-bottom:10px;'>public class HelloWorldTest{</p>

<p style='margin-top:0;margin-bottom:10px;'>    private static final Logger log = LoggerFactory.getLogger(HelloWorldTest.class);</p>

<p style='margin-top:0;margin-bottom:10px;'>    @Test<br/>
    public void testHelloWorldTest() throws InterruptedException{<br/>
        for (int i = 0; i < 3; ++i)</p>
{
            log.error("hello world");
        }
<p style='margin-top:0;margin-bottom:10px;'>        Thread.sleep(TimeInterval.SECONDS_PER_MINUTE * 1000 / 1);<br/>
    }<br/>
}</p>


<p style='margin-top:0;margin-bottom:10px;'>I got three emails,and each email show content:</p>

<p style='margin-top:0;margin-bottom:10px;'>2015-04-26 23:38:56 ERROR (HelloWorldTest.java:40) testHelloWorldTest() - hello world</p>


<p style='margin-top:0;margin-bottom:10px;'>I just want to got  two email,</p>

<p style='margin-top:0;margin-bottom:10px;'>first one content show 2 line infos:</p>

<p style='margin-top:0;margin-bottom:10px;'>2015-04-26 23:38:56 ERROR (HelloWorldTest.java:40) testHelloWorldTest() - hello world<br/>
2015-04-26 23:38:56 ERROR (HelloWorldTest.java:40) testHelloWorldTest() - hello world</p>


<p style='margin-top:0;margin-bottom:10px;'>second one,content show just 1 line infos:<br/>
2015-04-26 23:38:56 ERROR (HelloWorldTest.java:40) testHelloWorldTest() - hello world</p>

<p style='margin-top:0;margin-bottom:10px;'>The SMTPAppender's cyclicBufferTracker bufferSize param does't work</p>
    </td>
</tr>
                                                                                                <tr valign="top">
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
        <strong style="font-weight:normal;color:#505050;">Project:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
        <a style="color:#326ca6;" href="http://jira.qos.ch/browse/LOGBACK">logback</a>
    </td>
</tr>                                                <tr valign="top">
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
        <strong style="font-weight:normal;color:#505050;">Priority:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
                        <img src="http://jira.qos.ch/images/icons/priorities/critical.png" height="16" width="16" border="0" align="absmiddle" alt="Critical">                Critical
    </td>
</tr>
                        <tr valign="top">
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
        <strong style="font-weight:normal;color:#505050;">Reporter:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
                                        <a class="user-hover" rel="feilong" id="email_feilong" href="http://jira.qos.ch/secure/ViewProfile.jspa?name=feilong" style="color:#326ca6;">feitianbenyue</a>
                </td>
</tr>                                                                    </table>
                </td>
            </tr>
        </table>
    </td>
</tr>













            </table>
        </td><!-- End #email-page -->
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    <tr valign="top">
        <td style="color:#505050;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:10px;line-height:14px;padding: 0 16px 16px 16px;text-align:center;">
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        </td>
    </tr>
</table><!-- End #email-wrap -->
</div><!-- End #email-body -->