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<div style="font-variant-ligatures: normal;"><font face="Arial" size="4"><span style="line-height: 30.6px;">hello,</span></font></div>
<div style="font-variant-ligatures: normal;"><font face="Arial" size="4"><span style="line-height: 30.6px;"><br>
</span></font></div>
<div style="font-variant-ligatures: normal;"><font face="Arial" size="4"><span style="line-height: 30.6px;">I installed mailman3 on debian, it can visit http://server/mailman3/, but when login, it says Sever Error (500). in /var/log/mailman3/web/mailman-web.log
there is a line:</span></font></div>
<div style="font-variant-ligatures: normal;"><font face="Arial" size="4"><span style="line-height: 30.6px;">SMTPRecipientsRefused: {u'xxx@xx.com': (451, '4.3.0 <xxx@xx.com>: Temporary lookup failure')} </span></font></div>
<div style="font-variant-ligatures: normal;"><font face="Arial" size="4"><span style="line-height: 30.6px;"># xxx@xx.com is superuser email address.</span></font></div>
<div style="font-variant-ligatures: normal;"><font face="Arial" size="4"><span style="line-height: 30.6px;"><br>
</span></font></div>
<div style="font-variant-ligatures: normal;"><font face="Arial" size="4"><span style="line-height: 30.6px;">in postfix log file, there is:</span></font></div>
<div style="font-variant-ligatures: normal;"><font face="Arial" size="4"><span style="line-height: 30.6px;">Apr 22 18:05:53 mail postfix/smtpd[12870]: error: open database /var/lib/mailman3/data/postfix_domains.db: No such file or directory</span></font></div>
<div style="font-variant-ligatures: normal;"><font face="Arial" size="4"><span style="line-height: 30.6px;">Apr 22 18:05:53 mail postfix/smtpd[12870]: error: open database /var/lib/mailman3/data/postfix_lmtp.db: No such file or directory</span></font></div>
<div style="font-variant-ligatures: normal;"><font face="Arial" size="4"><span style="line-height: 30.6px;"><br>
</span></font></div>
<div style="font-variant-ligatures: normal;"><font face="Arial" size="4"><span style="line-height: 30.6px;">how to solve it?</span></font></div>
<div style="font-variant-ligatures: normal;"><font face="Arial" size="4"><span style="line-height: 30.6px;"><br>
</span></font></div>
<div style="font-variant-ligatures: normal;"><font face="Arial" size="4"><span style="line-height: 30.6px;">thank you.</span></font></div>
<div style="font-variant-ligatures: normal;"><font face="Arial" size="4"><span style="line-height: 30.6px;">Rex</span></font></div>
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