php使用SMTP发送邮件

发布于 2018-08-27  232 次阅读


email.class.php  定义发送邮件的库

<?php
class smtp
{
    /* Public Variables */
    var smtp_port; //smtp_port 端口号      var time_out;
    var host_name; //服务器主机名      var log_file;
    var relay_host; //服务器主机地址      var debug;
    var auth; //验证      var user; //服务器用户名
    var pass; //服务器密码             /* Private Variables */      var sock;
     
    /* Constractor 构造方法*/
    function smtp(relay_host = "", smtp_port = 25, auth = false, user, pass)      {          this->debug      = FALSE;
        this->smtp_port  = smtp_port;
        this->relay_host = relay_host;
        this->time_out   = 30; //is used in fsockopen()          #          this->auth       = auth; //auth          this->user       = user;          this->pass       = pass;          #          this->host_name  = "localhost"; //is used in HELO command
        // this->host_name = "smtp.163.com"; //is used in HELO command          this->log_file   = "";
         
        this->sock = FALSE;      }             /* Main Function */      function sendmail(to, from, subject = "", body = "", mailtype, cc = "", bcc = "", additional_headers = "")      {          header    = "";
        mail_from = this->get_address(this->strip_comment(from));
        body      = mb_ereg_replace("(^|(\r\n))(\\.)", "\\1.\\3", body);
        header .= "MIME-Version:1.0\r\n";          if (mailtype == "HTML") { //邮件发送类型
            //header .= "Content-Type:text/html\r\n";              header .= 'Content-type: text/html; charset=utf-8' . "\r\n";
        }
        header .= "To: " . to . "\r\n";
        if (cc != "") {              header .= "Cc: " . cc . "\r\n";          }          header .= "From: " . from . "\r\n";          // header .= "From: from<".from.">\r\n";   //这里只显示邮箱地址,不够人性化
        header .= "Subject: " . subject . "\r\n";
        header .= additional_headers;
        header .= "Date: " . date("r") . "\r\n";          header .= "X-Mailer:By (PHP/" . phpversion() . ")\r\n";
        list(msec, sec) = explode(" ", microtime());
        header .= "Message-ID: <" . date("YmdHis", sec) . "." . (msec * 1000000) . "." . mail_from . ">\r\n";
        TO = explode(",", this->strip_comment(to));                     if (cc != "") {
            TO = array_merge(TO, explode(",", this->strip_comment(cc))); //合并一个或多个数组
        }
         
        if (bcc != "") {              TO = array_merge(TO, explode(",", this->strip_comment(bcc)));          }                     sent = TRUE;
        foreach (TO as rcpt_to) {
            rcpt_to = this->get_address(rcpt_to);              if (!this->smtp_sockopen(rcpt_to)) {                  this->log_write("Error: Cannot send email to " . rcpt_to . "\n");                  sent = FALSE;
                continue;
            }
            if (this->smtp_send(this->host_name, mail_from, rcpt_to, header, body)) {
                this->log_write("E-mail has been sent to <" . rcpt_to . ">\n");
            } else {
                this->log_write("Error: Cannot send email to <" . rcpt_to . ">\n");
                sent = FALSE;              }              fclose(this->sock);
            this->log_write("Disconnected from remote host\n");          }          echo "
"; //echo
header; return sent; } /* Private Functions */ function smtp_send(helo, from, to, header, body = "") { if (!this->smtp_putcmd("HELO", helo)) { return this->smtp_error("sending HELO command"); } #auth if (this->auth) { if (!this->smtp_putcmd("AUTH LOGIN", base64_encode(this->user))) { return this->smtp_error("sending HELO command"); } if (!this->smtp_putcmd("", base64_encode(this->pass))) { return this->smtp_error("sending HELO command"); } } # if (!this->smtp_putcmd("MAIL", "FROM:<" . from . ">")) { return this->smtp_error("sending MAIL FROM command"); } if (!this->smtp_putcmd("RCPT", "TO:<" . to . ">")) { return this->smtp_error("sending RCPT TO command"); } if (!this->smtp_putcmd("DATA")) { return this->smtp_error("sending DATA command"); } if (!this->smtp_message(header, body)) { return this->smtp_error("sending message"); } if (!this->smtp_eom()) { return this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]"); } if (!this->smtp_putcmd("QUIT")) { return this->smtp_error("sending QUIT command"); } return TRUE; } function smtp_sockopen(address) { if (this->relay_host == "") { return this->smtp_sockopen_mx(address); } else { return this->smtp_sockopen_relay(); } } function smtp_sockopen_relay() { this->log_write("Trying to " . this->relay_host . ":" . this->smtp_port . "\n"); this->sock = @fsockopen(this->relay_host, this->smtp_port, errno, errstr, this->time_out); if (!(this->sock && this->smtp_ok())) { this->log_write("Error: Cannot connenct to relay host " . this->relay_host . "\n"); this->log_write("Error: " . errstr . " (" . errno . ")\n"); return FALSE; } this->log_write("Connected to relay host " . this->relay_host . "\n"); return TRUE; ; } function smtp_sockopen_mx(address) { domain = ereg_replace("^.+@([^@]+)", "\\1", address); if (!@getmxrr(domain, MXHOSTS)) { this->log_write("Error: Cannot resolve MX \"" . domain . "\"\n"); return FALSE; } foreach (MXHOSTS as host) { this->log_write("Trying to " . host . ":" . this->smtp_port . "\n"); this->sock = @fsockopen(host, this->smtp_port, errno, errstr, this->time_out); if (!(this->sock && this->smtp_ok())) { this->log_write("Warning: Cannot connect to mx host " . host . "\n"); this->log_write("Error: " . errstr . " (" . errno . ")\n"); continue; } this->log_write("Connected to mx host " . host . "\n"); return TRUE; } this->log_write("Error: Cannot connect to any mx hosts (" . implode(", ", MXHOSTS) . ")\n"); return FALSE; } function smtp_message(header, body) { fputs(this->sock, header . "\r\n" . body); this->smtp_debug("> " . str_replace("\r\n", "\n" . "> ", header . "\n> " . body . "\n> ")); return TRUE; } function smtp_eom() { fputs(this->sock, "\r\n.\r\n"); this->smtp_debug(". [EOM]\n"); return this->smtp_ok(); } function smtp_ok() { response = str_replace("\r\n", "", fgets(this->sock, 512)); this->smtp_debug(response . "\n"); if (!mb_ereg("^[23]", response)) { fputs(this->sock, "QUIT\r\n"); fgets(this->sock, 512); this->log_write("Error: Remote host returned \"" . response . "\"\n"); return FALSE; } return TRUE; } function smtp_putcmd(cmd, arg = "") { if (arg != "") { if (cmd == "") cmd = arg; else cmd = cmd . " " . arg; } fputs(this->sock, cmd . "\r\n"); this->smtp_debug("> " . cmd . "\n"); return this->smtp_ok(); } function smtp_error(string) { this->log_write("Error: Error occurred while " . string . ".\n"); return FALSE; } function log_write(message) { this->smtp_debug(message); if (this->log_file == "") { return TRUE; } message = date("M d H:i:s ") . get_current_user() . "[" . getmypid() . "]: " . message; if (!@file_exists(this->log_file) || !(fp = @fopen(this->log_file, "a"))) { this->smtp_debug("Warning: Cannot open log file \"" . this->log_file . "\"\n"); return FALSE; } flock(fp, LOCK_EX); fputs(fp, message); fclose(fp); return TRUE; } function strip_comment(address) { comment = "\\([^()]*\\)"; while (mb_ereg(comment, address)) { address = mb_ereg_replace(comment, "", address); } return address; } function get_address(address) { address = mb_ereg_replace("([ \t\r\n])+", "", address); address = mb_ereg_replace("^.*<(.+)>.*", "\\1", address); return address; } function smtp_debug(message) { if (this->debug) { echo message . "
"; } } function get_attach_type(
image_tag) // { filedata = array(); img_file_con = fopen(image_tag, "r"); unset(image_data); while (tem_buffer = AddSlashes(fread(img_file_con, filesize(image_tag)))) image_data .= tem_buffer; fclose(img_file_con); filedata['context'] = image_data; filedata['filename'] = basename(image_tag); extension = substr(image_tag, strrpos(image_tag, "."), strlen(image_tag) - strrpos(image_tag, ".")); switch (extension) { case ".gif": filedata['type'] = "image/gif"; break; case ".gz": filedata['type'] = "application/x-gzip"; break; case ".htm": filedata['type'] = "text/html"; break; case ".html": filedata['type'] = "text/html"; break; case ".jpg": filedata['type'] = "image/jpeg"; break; case ".tar": filedata['type'] = "application/x-tar"; break; case ".txt": filedata['type'] = "text/plain"; break; case ".zip": filedata['type'] = "application/zip"; break; default: filedata['type'] = "application/octet-stream"; break; } return filedata; } } ?>

index.php 发送邮件的具体实现


<?php
require 'email.class.php';
 
mailto='*********@qq.com';  //收件人  subject="恭喜您开通年费会员成功"; //邮件主题
body="回复TD退订";  //邮件内容  sendmailto(mailto,subject,body);
echo "finish".date('时间:Y年m月d日   H:i');
 
 
function sendmailto(mailto, mailsub, mailbd)  {      //require_once ('email.class.php');      //##########################################      smtpserver     = "smtp.163.com"; //SMTP服务器
    smtpserverport = 25; //SMTP服务器端口      smtpusermail   = "***********@163.com"; //SMTP服务器的用户邮箱
    smtpemailto    = mailto;
    smtpuser       = "*******@163.com"; //SMTP服务器的用户帐号      smtppass       = "**********"; //SMTP服务器的用户密码
    mailsubject    = mailsub; //邮件主题
    mailsubject    = "=?UTF-8?B?" . base64_encode(mailsubject) . "?="; //防止乱码
    mailbody       = mailbd; //邮件内容
    //mailbody = "=?UTF-8?B?".base64_encode(mailbody)."?="; //防止乱码
    mailtype       = "HTML"; //邮件格式(HTML/TXT),TXT为文本邮件. 139邮箱的短信提醒要设置为HTML才正常      ##########################################      smtp           = new smtp(smtpserver, smtpserverport, true, smtpuser, smtppass); //这里面的一个true是表示使用身份验证,否则不使用身份验证.
    smtp->debug    = TRUE; //是否显示发送的调试信息      smtp->sendmail(smtpemailto, smtpusermail, mailsubject, mailbody, $mailtype);
     
}
?>

 


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