我的 debian 服务器上有一个有效的 sendmail 配置，我尝试放置一个 postfix 来接收电子邮件但放弃了，删除 postfix，重新安装 sendmail 但没有任何工作了:(
这是我的mail.log
Feb 2 12:35:56 sd-42311 sendmail[14881]: s12BZuYe014881: from=root, size=69, class=0, nrcpts=1, msgid=<201402021135.s12BZuYe014881@sd-42311.dedibox.fr>, relay=root@localhost
Feb 2 12:35:56 sd-42311 sm-mta[14882]: s12BZuRw014882: SYSERR(root): collect: Cannot write ./dfs12BZuRw014882 (bfcommit, uid=0, gid=113): No such file or directory
Feb 2 12:35:57 sd-42311 sm-mta[14882]: s12BZuRw014882: from=<root@sd-42311.dedibox.fr>, size=336, class=0, nrcpts=1, proto=ESMTP, daemon=MTA-v4, relay=localhost [127.0.0.1]
Feb 2 12:35:57 sd-42311 sendmail[14881]: s12BZuYe014881: to=personal@email.com, ctladdr=root (0/0), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=30069, relay=[127.0.0.1] [127.0.0.1], dsn=4.0.0, stat=Deferred: 421 4.3.0 collect: Cannot write ./dfs12BZuRw014882 (bfcommit, …