Understanding the Insides of the SMTP Mail Protocol: Part 1

Higty

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9 Dec 2012MIT4 min read

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This article describes the mail sending process using the SMTP mail protocol.

HigLaboSampleSource.zip
- Source
  - HigLabo.Mail.SampleApplication
    - bin
      - Release
        
        HigLabo.Mail.dll
        
        HigLabo.Mail.SampleApplication.exe
        
        HigLabo.Net.dll
        
        Newtonsoft.Json.dll
    - HigLabo.Mail.SampleApplication.csproj
    - HigLabo.Mail.SampleApplication.sln
    - HigLabo.Mail.SampleApplication.suo
    - HigLabo.Mail.SampleApplication.v11.suo
    - Program.cs
    - Properties
      - AssemblyInfo.cs
  - HigLabo.Mail
    - Async
    - bin
      - Release
        
        HigLabo.Mail.dll
        
        HigLabo.Net.dll
        
        Newtonsoft.Json.dll
    - Common
    - HigLabo.Mail.csproj
    - HigLabo.Mail.csproj.user
    - HigLabo.Mail.csproj.vspscc
    - Imap
    - Pop3
    - Properties
      - AssemblyInfo.cs
    - Smtp
  - HigLabo.Net
    - bin
      - Release
        
        de
        
        System.Xml.Linq.resources.dll
        
        es
        
        System.Xml.Linq.resources.dll
        
        fr
        
        System.Xml.Linq.resources.dll
        
        HigLabo.Net.dll
        
        HigLabo.Net.Silverlight.dll
        
        HigLabo.Net.WindowsPhone7.dll
        
        it
        
        System.Xml.Linq.resources.dll
        
        ja
        
        System.Xml.Linq.resources.dll
        
        ko
        
        System.Xml.Linq.resources.dll
        
        Newtonsoft.Json.dll
        
        Newtonsoft.Json.Silverlight.dll
        
        Newtonsoft.Json.WindowsPhone7.dll
        
        ru
        
        System.Xml.Linq.resources.dll
        
        System.Xml.Linq.dll
        
        zh-Hans
        
        System.Xml.Linq.resources.dll
        
        zh-Hant
        
        System.Xml.Linq.resources.dll
    - Core
    - Extensions
    - HigLabo.Net.csproj
    - HigLabo.Net.csproj.user
    - HigLabo.Net.csproj.vspscc
    - HigLabo.Net.Silverlight.csproj
    - HigLabo.Net.Silverlight.csproj.user
    - HigLabo.Net.Silverlight.csproj.vspscc
    - HigLabo.Net.WindowsPhone7.csproj
    - HigLabo.Net.WindowsPhone7.csproj.user
    - HigLabo.Net.WindowsPhone7.csproj.vspscc
    - Http
    - OAuth
    - Properties
      - AssemblyInfo.cs
    - Socket
HigLaboSampleSource-noexe.zip
- HigLabo.Mail.SampleApplication.csproj
- HigLabo.Mail.SampleApplication.sln
- HigLabo.Mail.SampleApplication.suo
- HigLabo.Mail.SampleApplication.v11.suo
- Program.cs
- AssemblyInfo.cs
- ImapDataReceiveContext.cs
- Pop3DataReceiveContext.cs
- SmtpDataReceiveContext.cs
- ContentDisposition.cs
- ContentType.cs
- FieldParameterEncoding.cs
- InternetTextMessage.cs
- MailAddress.cs
- MailClientException.cs
- MailContent.cs
- MailMessage.cs
- MailParser.cs
- MailPriority.cs
- MimeContent.cs
- TransferEncoding.cs
- HigLabo.Mail.csproj
- HigLabo.Mail.csproj.user
- HigLabo.Mail.csproj.vspscc
- CapabilityResult.cs
- ImapCommandResult.cs
- ImapCommandResultStatus.cs
- ImapIdleCommand.cs
- ImapIdleCommandMessage.cs
- ImapIdleCommandMessageReceivedEventArgs.cs
- ImapIdleCommandMessageType.cs
- ListLineResult.cs
- ListResult.cs
- SearchResult.cs
- SelectResult.cs
- Store.cs
- ImapClient.cs
- ImapConnectionState.cs
- ImapFolder.cs
- NamingConversion.cs
- DeleCommand.cs
- ListCommand.cs
- ListCommandResult.cs
- Pop3Command.cs
- Pop3CommandResult.cs
- RetrCommand.cs
- StatCommandResult.cs
- TopCommand.cs
- UidlCommand.cs
- UidlCommandResult.cs
- InvalidPop3MessageException.cs
- Pop3AuthenticateMode.cs
- Pop3Client.cs
- Pop3ConnectionState.cs
- Pop3Content.cs
- Pop3Message.cs
- AssemblyInfo.cs
- DataCommand.cs
- EhloCommand.cs
- ExpnCommand.cs
- HeloCommand.cs
- HelpCommand.cs
- MailCommand.cs
- RcptCommand.cs
- RsetCommand.cs
- SmtpCommand.cs
- SmtpCommandResult.cs
- SmtpCommandResultLine.cs
- VrfyCommand.cs
- SendMailCommand.cs
- SendMailListResult.cs
- SendMailResult.cs
- SendMailResultState.cs
- SmtpAuthenticateMode.cs
- SmtpClient.cs
- SmtpConnectionState.cs
- SmtpContent.cs
- SmtpMessage.cs
- SmtpResponseCode.cs
- AsciiCharCode.cs
- AsyncHttpCallErrorEventArgs.cs
- AsyncHttpContext.cs
- AsyncSocketCallErrorEventArgs.cs
- ResponseObject.cs
- ResponseObjectParseException.cs
- StreamWriteContext.cs
- XmlAttribute.cs
- XmlData.cs
- DictionaryParserExtensions.cs
- StreamExtensions.cs
- XmlParserExtensions.cs
- HigLabo.Net.csproj
- HigLabo.Net.csproj.user
- HigLabo.Net.csproj.vspscc
- HigLabo.Net.Silverlight.csproj
- HigLabo.Net.Silverlight.csproj.user
- HigLabo.Net.Silverlight.csproj.vspscc
- HigLabo.Net.WindowsPhone7.csproj
- HigLabo.Net.WindowsPhone7.csproj.user
- HigLabo.Net.WindowsPhone7.csproj.vspscc
- HttpClient.AsyncCall.cs
- HttpClient.cs
- HttpClient.SyncCall.cs
- HttpMethodName.cs
- HttpProtocolType.cs
- HttpRequestCommand.cs
- HttpRequestUploadingEventArgs.cs
- HttpResponse.cs
- HttpResponseException.cs
- AccessTokenInfo.cs
- AuthorizeInfo.cs
- GetRequestTokenCommand.cs
- OAuthClient.AsyncCall.cs
- OAuthClient.cs
- OAuthClient.InnerClass.cs
- OAuthClient.Static.cs
- OAuthClient.SyncCall.cs
- OAuthMode.cs
- OAuthSignatureTypes.cs
- SignatureInfo.cs
- AssemblyInfo.cs
- BufferManager.cs
- DataReceiveContext.cs
- DataSendContext.cs
- DataTransferContext.cs
- SocketClient.cs
- SocketClientException.cs


Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 2010
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HigLabo.Mail.SampleApplication", "HigLabo.Mail.SampleApplication.csproj", "{BB61F391-3D1B-4C4F-86EC-744923134950}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HigLabo.Net", "..\HigLabo.Net\HigLabo.Net.csproj", "{1359B863-E7FC-4BCF-9652-4D05EA393C4C}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HigLabo.Mail", "..\HigLabo.Mail\HigLabo.Mail.csproj", "{77DD75B1-D6AD-488C-926C-D61A5FA48D26}"
EndProject
Global
	GlobalSection(SolutionConfigurationPlatforms) = preSolution
		Debug|Any CPU = Debug|Any CPU
		Debug|Mixed Platforms = Debug|Mixed Platforms
		Debug|x86 = Debug|x86
		Release|Any CPU = Release|Any CPU
		Release|Mixed Platforms = Release|Mixed Platforms
		Release|x86 = Release|x86
	EndGlobalSection
	GlobalSection(ProjectConfigurationPlatforms) = postSolution
		{BB61F391-3D1B-4C4F-86EC-744923134950}.Debug|Any CPU.ActiveCfg = Debug|x86
		{BB61F391-3D1B-4C4F-86EC-744923134950}.Debug|Mixed Platforms.ActiveCfg = Debug|x86
		{BB61F391-3D1B-4C4F-86EC-744923134950}.Debug|Mixed Platforms.Build.0 = Debug|x86
		{BB61F391-3D1B-4C4F-86EC-744923134950}.Debug|x86.ActiveCfg = Debug|x86
		{BB61F391-3D1B-4C4F-86EC-744923134950}.Debug|x86.Build.0 = Debug|x86
		{BB61F391-3D1B-4C4F-86EC-744923134950}.Release|Any CPU.ActiveCfg = Release|x86
		{BB61F391-3D1B-4C4F-86EC-744923134950}.Release|Mixed Platforms.ActiveCfg = Release|x86
		{BB61F391-3D1B-4C4F-86EC-744923134950}.Release|Mixed Platforms.Build.0 = Release|x86
		{BB61F391-3D1B-4C4F-86EC-744923134950}.Release|x86.ActiveCfg = Release|x86
		{BB61F391-3D1B-4C4F-86EC-744923134950}.Release|x86.Build.0 = Release|x86
		{1359B863-E7FC-4BCF-9652-4D05EA393C4C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
		{1359B863-E7FC-4BCF-9652-4D05EA393C4C}.Debug|Any CPU.Build.0 = Debug|Any CPU
		{1359B863-E7FC-4BCF-9652-4D05EA393C4C}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
		{1359B863-E7FC-4BCF-9652-4D05EA393C4C}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
		{1359B863-E7FC-4BCF-9652-4D05EA393C4C}.Debug|x86.ActiveCfg = Debug|Any CPU
		{1359B863-E7FC-4BCF-9652-4D05EA393C4C}.Release|Any CPU.ActiveCfg = Release|Any CPU
		{1359B863-E7FC-4BCF-9652-4D05EA393C4C}.Release|Any CPU.Build.0 = Release|Any CPU
		{1359B863-E7FC-4BCF-9652-4D05EA393C4C}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
		{1359B863-E7FC-4BCF-9652-4D05EA393C4C}.Release|Mixed Platforms.Build.0 = Release|Any CPU
		{1359B863-E7FC-4BCF-9652-4D05EA393C4C}.Release|x86.ActiveCfg = Release|Any CPU
		{77DD75B1-D6AD-488C-926C-D61A5FA48D26}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
		{77DD75B1-D6AD-488C-926C-D61A5FA48D26}.Debug|Any CPU.Build.0 = Debug|Any CPU
		{77DD75B1-D6AD-488C-926C-D61A5FA48D26}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
		{77DD75B1-D6AD-488C-926C-D61A5FA48D26}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
		{77DD75B1-D6AD-488C-926C-D61A5FA48D26}.Debug|x86.ActiveCfg = Debug|Any CPU
		{77DD75B1-D6AD-488C-926C-D61A5FA48D26}.Release|Any CPU.ActiveCfg = Release|Any CPU
		{77DD75B1-D6AD-488C-926C-D61A5FA48D26}.Release|Any CPU.Build.0 = Release|Any CPU
		{77DD75B1-D6AD-488C-926C-D61A5FA48D26}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
		{77DD75B1-D6AD-488C-926C-D61A5FA48D26}.Release|Mixed Platforms.Build.0 = Release|Any CPU
		{77DD75B1-D6AD-488C-926C-D61A5FA48D26}.Release|x86.ActiveCfg = Release|Any CPU
	EndGlobalSection
	GlobalSection(SolutionProperties) = preSolution
		HideSolutionNode = FALSE
	EndGlobalSection
EndGlobal

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License

This article, along with any associated source code and files, is licensed under The MIT License

Written By

Higty

CEO TinyBetter, Inc

Japan

I'm a CEO of TinyBetter, Inc in Japan.

Understanding the Insides of the SMTP Mail Protocol: Part 1

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