记录一下支持ssl的发邮件

本文解析了一段使用Ruby语言实现的邮件发送脚本代码。该脚本利用了openssl和net/smtp库来实现SMTP会话的建立及邮件的发送功能。文章详细介绍了如何通过Ruby代码启动SMTP会话、发送HELO/EHLO命令、执行STARTTLS命令以加密连接、进行身份验证以及发送和关闭邮件会话等关键步骤。

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require "openssl"
require "net/smtp"

Net::SMTP.class_eval do
private
def do_start(helodomain, user, secret, authtype)
raise IOError, 'SMTP session already started' if @started
check_auth_args user, secret, authtype if user or secret

sock = timeout(@open_timeout) { TCPSocket.open(@address, @port) }
@socket = Net::InternetMessageIO.new(sock)
@socket.read_timeout = 60 #@read_timeout

check_response(critical { recv_response() })
do_helo(helodomain)

if starttls
raise 'openssl library not installed' unless defined?(OpenSSL)
ssl = OpenSSL::SSL::SSLSocket.new(sock)
ssl.sync_close = true
ssl.connect
@socket = Net::InternetMessageIO.new(ssl)
@socket.read_timeout = 60 #@read_timeout
do_helo(helodomain)
end

authenticate user, secret, authtype if user
@started = true
ensure
unless @started
# authentication failed, cancel connection.
@socket.close if not @started and @socket and not @socket.closed?
@socket = nil
end
end

def do_helo(helodomain)
begin
if @esmtp
ehlo helodomain
else
helo helodomain
end
rescue Net::ProtocolError
if @esmtp
@esmtp = false
@error_occured = false
retry
end
raise
end
end

def starttls
getok('STARTTLS') rescue return false
return true
end

def quit
begin
getok('QUIT')
rescue EOFError
end
end
end
//初始化邮件类 void InitEmail(C01waSendMail* m_globalEmail,String sendermail,String sender,String senderpwd,String srv,int port = 25,bool bSsl = false) { m_globalEmail->m_Auth = CPJNSMTPConnection::AuthenticationMethod::AUTH_AUTO; m_globalEmail->m_bAutoDial = true; m_globalEmail->m_bSSL = bSsl; m_globalEmail->m_sUsername = sender.c_str(); m_globalEmail->m_sAddress = sendermail.c_str(); m_globalEmail->m_sPassword = senderpwd.c_str(); m_globalEmail->m_sHost = srv.c_str(); m_globalEmail->m_nPort = port; m_globalEmail->m_sEncodingFriendly = _T("Chinese Simplified (GB2312)"); m_globalEmail->m_sEncodingCharset = _T("gb2312"); m_globalEmail->m_bMime = 1; m_globalEmail->m_bHTML = 1; m_globalEmail->m_Priority = CPJNSMTPMessage::PRIORITY::NormalPriority; m_globalEmail->m_bDSN = FALSE; m_globalEmail->m_bDSNSuccess = FALSE; m_globalEmail->m_bDSNFailure = FALSE; m_globalEmail->m_bDSNDelay = FALSE; m_globalEmail->m_bDSNHeaders = FALSE; m_globalEmail->m_bDNSLookup = FALSE; } //发送邮件 void SendEmail(const char* recvemail,const char* subject,const char* body,const char * sCC=NULL,const char * bCC = NULL,const char * attach = NULL) { //初始化邮箱 //注意释放内存 C01waSendMail *m_globalEmail = new C01waSendMail; if(strlen(m_con1.m_eamil)>0&&strlen(m_con1.m_pwd)&&strlen(m_con1.m_smtpsrv)&&m_con1.port>0) { char * p = strdup(m_con1.m_eamil); char * pp = strstr(p,"@"); if(pp>0) pp[0] = '\0'; InitEmail(m_globalEmail,m_con1.m_eamil,p,m_con1.m_pwd,m_con1.m_smtpsrv,m_con1.port,m_con1.ssl); free(p); if(subject>0) m_globalEmail->m_sSubject.Format("%s",subject); if(sCC>0) m_globalEmail->m_sCC.Format("%s",sCC); if(bCC>0) m_globalEmail->m_sBCC.Format("%s",bCC); if(body>0) m_globalEmail->m_sBody.Format("%s",body); if(attach>0) m_globalEmail->m_sFile.Format("%s",attach); if(recvemail>0) m_globalEmail->m_sTo.Format("%s",recvemail); m_globalEmail->SendEmail(); } }
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