create or replace procedure bsd_sendemail (p_receiver varchar2,p_sub varchar2,p_txt varchar2)
is
p_user varchar2(30) := '';
p_pass varchar2(30) := '';
p_sendor varchar2(20) := 'Gnie';
p_server varchar2(20) := 'Mail_Server_IP';
p_port number := 25;
p_need_smtp number := 0;
p_subject varchar2(4000);
l_crlf varchar2(2) := utl_tcp.crlf;
l_sendoraddress varchar2(4000);
l_splite varchar2(10) := '++';
boundary constant varchar2(256) := '-----BYSUK';
first_boundary constant varchar2(256) := '--' || boundary || l_crlf;
last_boundary constant varchar2(256) := '--' || boundary || '--' || l_crlf;
multipart_mime_type constant varchar2(256) := 'multipart/mixed; boundary="' || boundary || '"';

type address_list is table of varchar2(100) index by binary_integer;
my_address_list address_list;
---------------------------------------分割邮件地址----------------------------------------------
procedure p_splite_str(p_str varchar2,p_splite_flag int default 1) is
l_addr varchar2(254) := '';
l_len int;
l_str varchar2(4000);
j int := 0; --表示邮件地址或者附件的个数
begin
/*处理接收邮件地址列表，包括去空格、将;转换为,等*/
l_str := trim(rtrim(replace(replace(p_str,';',','),' ',''),'));
l_len := length(l_str);
for i in 1 .. l_len loop
if substr(l_str,i,1) <> ',' then
l_addr := l_addr || substr(l_str,1);
else
j := j + 1;
if p_splite_flag = 1 then --表示处理邮件地址
--前后需要加上'<>'，否则很多邮箱将不能发送邮件
l_addr := '<' || l_addr || '>';
--调用邮件发送过程
my_address_list(j) := l_addr;
end if;
l_addr := '';
end if;
if i = l_len then
j := j + 1;
if p_splite_flag = 1 then
--调用邮件发送过程
l_addr := '<' || l_addr || '>';
my_address_list(j) := l_addr;
end if;
end if;
end loop;
end;
------------------------------------------------写邮件头和邮件内容------------------------------------------
procedure write_data(p_conn in out nocopy utl_smtp.connection,
p_name in varchar2,
p_value in varchar2,
p_splite varchar2 default ':',
p_crlf varchar2 default l_crlf) is
begin
/* utl_raw.cast_to_raw 对解决中文乱码问题很重要*/
utl_smtp.write_raw_data(p_conn,utl_raw.cast_to_raw(convert(p_name||p_splite||p_value ||p_crlf,'ZHS16CGB231280')));
end;
----------------------------------------写mime邮件尾部-----------------------------------------------------
procedure end_boundary(conn in out nocopy utl_smtp.connection,last in boolean default false) is
begin
utl_smtp.write_data(conn,utl_tcp.crlf);
if (last) then
utl_smtp.write_data(conn,last_boundary);
end if;
end;
---------------------------------------------真正发送邮件的过程--------------------------------------------
procedure p_email(p_sendoraddress2 varchar2,--发送地址
p_receiveraddress2 varchar2) --接受地址
is
l_conn utl_smtp.connection; --定义连接
begin
/*初始化邮件服务器信息，连接邮件服务器*/
l_conn := utl_smtp.open_connection(p_server,p_port);
utl_smtp.helo(l_conn,p_server);
/* smtp服务器登录校验 */
if p_need_smtp = 1 then
utl_smtp.command(l_conn,'AUTH LOGIN','');
utl_smtp.command(l_conn,utl_raw.cast_to_varchar2(utl_encode.base64_encode(utl_raw.cast_to_raw(p_user))));
utl_smtp.command(l_conn,utl_raw.cast_to_varchar2(utl_encode.base64_encode(utl_raw.cast_to_raw(p_pass))));
end if;

/*设置发送地址和接收地址*/
utl_smtp.mail(l_conn,p_sendoraddress2);
utl_smtp.rcpt(l_conn,p_receiveraddress2);

/*设置邮件头*/
utl_smtp.open_data(l_conn);
/*设置日期*/
--write_data(l_conn,'Date',to_char(sysdate-1/3,'dd Mon yy hh24:mi:ss'));
/*设置发送人*/
write_data(l_conn,'From',p_sendor);
/*设置接收人*/
write_data(l_conn,'To',p_receiver);
/*设置邮件主题*/
select replace('=?GB2312?B?'||utl_raw.cast_to_varchar2(utl_encode.base64_encode(rawtohex(p_sub)))||'?=',utl_tcp.crlf,'')
into p_subject from dual;
write_data(l_conn,'Subject',p_subject);

write_data(l_conn,'Content-Type',multipart_mime_type);
utl_smtp.write_data(l_conn,utl_tcp.crlf);
utl_smtp.write_data(l_conn,first_boundary);
write_data(l_conn,'text/html;charset=gb2312');
--单独空一行，否则，正文内容不显示
utl_smtp.write_data(l_conn,utl_tcp.crlf);
/* 设置邮件正文
把分隔符还原成chr(10)。这主要是为了shell中调用该过程，如果有多行,则先把多行的内容合并成一行，并用 l_splite分隔
然后用 l_crlf替换chr(10)。这一步是必须的，否则将不能发送邮件正文有多行的邮件
*/
write_data(l_conn,'',replace(replace(p_txt,l_splite,chr(10)),chr(10),l_crlf),'');
end_boundary(l_conn);

/*关闭数据写入*/
utl_smtp.close_data(l_conn);
/*关闭连接*/
utl_smtp.quit(l_conn);

end;
---------------------------------------------主过程-----------------------------------------------------
begin
l_sendoraddress := '<' || p_sendor || '>';
p_splite_str(p_receiver);--处理邮件地址
for k in 1 .. my_address_list.count loop
p_email(l_sendoraddress,my_address_list(k));
end loop;
/*处理邮件地址，根据逗号分割邮件*/
end;