Welcome!

UltimateEmailValidator Features

Licensing and How to Order

• How to buy
• 30 days Trial License limitation
• License Agreement

Installation Instructions

• System requirements
• Adding UltimateEmailValidator to the Visual Studio Toolbox
• Installation instructions for C#
• Installation instructions for VB
• Add/Remove UltimateEmailValidator to the Global Assembly Cache

Getting Started

• Using IntelliSense in Visual Studio
• Creating a WinForms application
• Creating a Web Application
• Using events
• Synchronous vs Asynchronous
• Event for asynchronous call
• Using UltimateEmailValidator without VS.NET
• Using UltimateEmailValidator in PowerShell

Auto Detect Dns Servers

Using Wildcard Masks to filter black or white email addresses

Validating a single e-mail address

• Validating a single e-mail address Synchronously
• Validating a single e-mail address Asynchronously

Validating e-mail addresses in a Text File

• Validating e-mail addresses in a Text File Synchronously
• Validating e-mail addresses in a Text File Asynchronously

Validating e-mail address in DataTable, DataSet or DataView object

• Validating e-mail addresses in DataTable, DataSet or DataView object Synchronously
• Validating e-mail addresses in DataTable, DataSet or DataView object Asynchronously

Validating e-mail addresses in an IDataReader interface

• Validating e-mail addresses in an IDataReader interface Synchronously
• Validating e-mail addresses in an IDataReader interface Asynchronously

Validating e-mail addresses in an IList interface

• Validating e-mail addresses in an IList interface Synchronously
• Validating e-mail addresses in an IList interface Asynchronously

Validating e-mail addresses using multiple threads

Getting Mail Exchange Records

Using Events

• EmailValidated event
• EmailValidating event
• MessageLogging event
• Progress event
• ThreadCompleted and ThreadsCompleted events
• Asynchronous XXXCompleted events

Cancelling an operation

Displaying progress while validating e-mails

Handling Exceptions

Localizing messages

Class Reference

• Atp Namespace
  • Overview
  • Classes
    • AsyncMethodCompletedEventArgs
      • Overview
      • Members
      • AsyncMethodCompletedEventArgs Constructor
      • Properties
        • AsyncResult Property
• Atp.Collections.EmailValidator Namespace
  • Overview
  • Classes
    • UltimateStringCollection
      • Overview
      • Members
      • UltimateStringCollection Constructor
      • Methods
        • Add Method
        • AddRange Method
        • CheckWildcards Method
          • CheckWildcards(String) Method
          • CheckWildcards(String,Boolean) Method
        • Clear Method
        • Contains Method
        • CopyTo Method
        • GetEnumerator Method
        • IndexOf Method
        • Insert Method
        • LoadFromFile Method
        • Remove Method
        • RemoveAt Method
      • Properties
        • Count Property
        • IsFixedSize Property
        • IsReadOnly Property
        • IsSynchronized Property
        • Item Property
        • SyncRoot Property
• Atp.Compression Namespace
  • Overview
  • Classes
    • ZlibInputStream
      • Overview
      • Members
      • ZlibInputStream Constructor
        • ZlibInputStream Constructor(Stream)
        • ZlibInputStream Constructor(Stream,Boolean)
        • ZlibInputStream Constructor(Stream,CompressionLevel,Boolean)
        • ZlibInputStream Constructor(Stream,Int32)
        • ZlibInputStream Constructor(Stream,Int32,Boolean)
      • Methods
        • Close Method
        • Flush Method
        • Read Method
          • Read() Method
          • Read(Byte[],Int32,Int32) Method
        • Seek Method
        • SetLength Method
        • Skip Method
        • Write Method
      • Properties
        • CanRead Property
        • CanSeek Property
        • CanWrite Property
        • FlushMode Property
        • Length Property
        • Position Property
        • TotalIn Property
        • TotalOut Property
    • ZlibOutputStream
      • Overview
      • Members
      • ZlibOutputStream Constructor
        • ZlibOutputStream Constructor(Stream)
        • ZlibOutputStream Constructor(Stream,Boolean)
        • ZlibOutputStream Constructor(Stream,CompressionLevel,Boolean)
        • ZlibOutputStream Constructor(Stream,CompressionLevel,Boolean,Boolean)
        • ZlibOutputStream Constructor(Stream,Int32)
        • ZlibOutputStream Constructor(Stream,Int32,Boolean)
      • Methods
        • Close Method
        • End Method
        • Finish Method
        • Flush Method
        • Read Method
        • Seek Method
        • SetLength Method
        • Write Method
        • WriteByte Method
      • Properties
        • CanRead Property
        • CanSeek Property
        • CanWrite Property
        • FlushMode Property
        • Length Property
        • Position Property
        • TotalIn Property
        • TotalOut Property
    • ZlibStreamException
      • Overview
      • Members
  • Enumerations
    • CompressionLevel
• Atp.Diagnostics Namespace
  • Overview
  • Classes
    • UltimateConsoleTraceListener
      • Overview
      • Members
      • UltimateConsoleTraceListener Constructor
      • Methods
        • TraceData Method
          • TraceData(TraceEventCache,String,TraceEventType,Int32,Object[]) Method
    • UltimateTextWriterTraceListener
      • Overview
      • Members
      • UltimateTextWriterTraceListener Constructor
        • UltimateTextWriterTraceListener Constructor()
        • UltimateTextWriterTraceListener Constructor(Stream)
        • UltimateTextWriterTraceListener Constructor(Stream,String)
        • UltimateTextWriterTraceListener Constructor(String)
        • UltimateTextWriterTraceListener Constructor(String,String)
        • UltimateTextWriterTraceListener Constructor(TextWriter)
        • UltimateTextWriterTraceListener Constructor(TextWriter,String)
      • Methods
        • Close Method
        • Dispose Method
          • Dispose(Boolean) Method
        • Flush Method
        • TraceData Method
          • TraceData(TraceEventCache,String,TraceEventType,Int32,Object[]) Method
        • Write Method
          • Write(String) Method
        • WriteLine Method
          • WriteLine(String) Method
      • Properties
        • FileName Property
        • Writer Property
    • XTrace
      • Overview
      • Members
      • Methods
        • Assert Method
          • Assert(Boolean) Method
          • Assert(Boolean,String) Method
          • Assert(Boolean,String,String) Method
        • Close Method
        • Fail Method
          • Fail(String) Method
          • Fail(String,String) Method
        • Flush Method
        • HasListeners Method
        • Indent Method
        • TraceError Method
          • TraceError(String) Method
          • TraceError(String,Object[]) Method
        • TraceInformation Method
          • TraceInformation(String) Method
          • TraceInformation(String,Object[]) Method
        • TraceWarning Method
          • TraceWarning(String) Method
          • TraceWarning(String,Object[]) Method
        • Unindent Method
        • Write Method
          • Write(Object) Method
          • Write(String) Method
          • Write(Object,String) Method
          • Write(String,String) Method
        • WriteIf Method
          • WriteIf(Boolean,Object) Method
          • WriteIf(Boolean,String) Method
          • WriteIf(Boolean,Object,String) Method
          • WriteIf(Boolean,String,String) Method
        • WriteLine Method
          • WriteLine(TraceEventCache,Object,TraceEventType,Int32,String,String,Byte[],Int32,Int32) Method
          • WriteLine(Object) Method
          • WriteLine(TraceEventCache,Object,TraceEventType,Int32,String,String) Method
          • WriteLine(TraceEventCache,Object,TraceEventType,String,Int32,String,Object[]) Method
      • Properties
        • AutoFlush Property
        • IndentLevel Property
        • IndentSize Property
        • Level Property
        • Listeners Property
        • UseGlobalLock Property
    • XTraceListenerCollection
      • Overview
      • Members
      • Methods
        • Add Method
        • AddRange Method
          • AddRange(TraceListener[]) Method
          • AddRange(XTraceListenerCollection) Method
        • Clear Method
        • Contains Method
        • CopyTo Method
        • GetEnumerator Method
        • IndexOf Method
        • Insert Method
        • Remove Method
          • Remove(TraceListener) Method
          • Remove(String) Method
        • RemoveAt Method
      • Properties
        • Count Property
        • Item Property
          • Item(Int32) Property
          • Item(String) Property
• Atp.Net Namespace
  • Overview
  • Classes
    • EmailValidatedEventArgs
      • Overview
      • Members
      • Properties
        • Cancel Property
        • DataReader Property
        • DataRow Property
        • Elapsed Property
        • EmailAddress Property
        • EmailsProcessed Property
        • EndTime Property
        • Error Property
        • Index Property
        • ProgressPercentage Property
        • SmtpTranscript Property
        • StartTime Property
        • ThreadId Property
        • TotalEmails Property
        • ValidatedLevel Property
    • EmailValidatingEventArgs
      • Overview
      • Members
      • Properties
        • Cancel Property
        • DataReader Property
        • DataRow Property
        • EmailAddress Property
        • EmailsProcessed Property
        • Index Property
        • ProgressPercentage Property
        • Skipped Property
        • ThreadId Property
        • TotalEmails Property
    • EmailValidator
      • Overview
      • Members
      • EmailValidator Constructor
        • EmailValidator Constructor()
        • EmailValidator Constructor(IContainer)
      • Methods
        • BeginGetMailExchangeRecords Method
          • BeginGetMailExchangeRecords(String,AsyncCallback,Object) Method
          • BeginGetMailExchangeRecords(String,Object) Method
          • BeginGetMailExchangeRecords(String) Method
        • BeginValidate Method
          • BeginValidate(String,AsyncCallback,Object) Method
          • BeginValidate(String,Object) Method
          • BeginValidate(String) Method
        • BeginValidateEmails Method
          • BeginValidateEmails(IList,AsyncCallback,Object) Method
          • BeginValidateEmails(IList,Object) Method
          • BeginValidateEmails(IList) Method
          • BeginValidateEmails(String,Char[],AsyncCallback,Object) Method
          • BeginValidateEmails(String,Char[],Object) Method
          • BeginValidateEmails(String,Char[]) Method
          • BeginValidateEmails(String,AsyncCallback,Object) Method
          • BeginValidateEmails(String,Object) Method
          • BeginValidateEmails(String) Method
          • BeginValidateEmails(DataSet,String,String,AsyncCallback,Object) Method
          • BeginValidateEmails(DataSet,String,String,Object) Method
          • BeginValidateEmails(DataSet,String,String) Method
          • BeginValidateEmails(DataSet,AsyncCallback,Object) Method
          • BeginValidateEmails(DataSet,Object) Method
          • BeginValidateEmails(DataSet) Method
          • BeginValidateEmails(DataTable,String,AsyncCallback,Object) Method
          • BeginValidateEmails(DataTable,String,Object) Method
          • BeginValidateEmails(DataTable,String) Method
          • BeginValidateEmails(DataTable,AsyncCallback,Object) Method
          • BeginValidateEmails(DataTable,Object) Method
          • BeginValidateEmails(DataTable) Method
          • BeginValidateEmails(IDataReader,AsyncCallback,Object) Method
          • BeginValidateEmails(IDataReader,Object) Method
          • BeginValidateEmails(IDataReader) Method
        • BeginValidateTextFile Method
          • BeginValidateTextFile(String,Char[],AsyncCallback,Object) Method
          • BeginValidateTextFile(String,Char[],Object) Method
          • BeginValidateTextFile(String,Char[]) Method
          • BeginValidateTextFile(String,AsyncCallback,Object) Method
          • BeginValidateTextFile(String,Object) Method
          • BeginValidateTextFile(String) Method
        • Cancel Method
        • ClearDnsCache Method
        • EndGetMailExchangeRecords Method
        • EndValidate Method
        • EndValidateEmails Method
        • EndValidateTextFile Method
        • GetMailExchangeRecords Method
        • MultiThreadsValidateEmails Method
          • MultiThreadsValidateEmails(String,Char[],Int32,Boolean) Method
          • MultiThreadsValidateEmails(String,Int32,Boolean) Method
          • MultiThreadsValidateEmails(IList,Int32,Boolean) Method
          • MultiThreadsValidateEmails(DataTable,String,Int32,Boolean) Method
          • MultiThreadsValidateEmails(DataTable,Int32,Boolean) Method
          • MultiThreadsValidateEmails(DataSet,String,String,Int32,Boolean) Method
          • MultiThreadsValidateEmails(DataSet,Int32,Boolean) Method
        • MultiThreadsValidateTextFile Method
          • MultiThreadsValidateTextFile(String,Char[],Int32,Boolean) Method
          • MultiThreadsValidateTextFile(String,Int32,Boolean) Method
        • OnEmailValidated Method
        • OnEmailValidating Method
        • OnGetMailExchangeRecordsCompleted Method
        • OnMessageLogging Method
        • OnProgress Method
        • OnThreadCompleted Method
        • OnThreadsCompleted Method
        • OnValidateCompleted Method
        • OnValidateEmailsCompleted Method
        • OnValidateTextFileCompleted Method
        • Validate Method
        • ValidateEmails Method
          • ValidateEmails(IDataReader) Method
          • ValidateEmails(IList) Method
          • ValidateEmails(String,Char[]) Method
          • ValidateEmails(String) Method
          • ValidateEmails(DataSet,String,String) Method
          • ValidateEmails(DataSet) Method
          • ValidateEmails(DataTable,String) Method
          • ValidateEmails(DataTable) Method
          • ValidateEmails(IDataReader,String) Method
        • ValidateTextFile Method
          • ValidateTextFile(String,Char[]) Method
          • ValidateTextFile(String) Method
      • Properties
        • BlackList Property
        • DeepMailboxCheck Property
        • DnsServers Property
        • DnsTimeout Property
        • EmailSyntaxPattern Property
        • LocalizationSettings Property
        • Logger Property
        • MailExchangeRecordCacheTimeout Property
        • Proxy Property
        • RemoveChars Property
        • SmtpFromEmail Property
        • SmtpHeloDomain Property
        • SmtpPort Property
        • SmtpTimeout Property
        • SmtpTranscript Property
        • SynchronizingObject Property
        • UseMailExchangeRecordCache Property
        • ValidationLevel Property
        • WhiteList Property
      • Events
        • EmailValidated Event
        • EmailValidating Event
        • GetMailExchangeRecordsCompleted Event
        • MessageLogging Event
        • Progress Event
        • ThreadCompleted Event
        • ThreadsCompleted Event
        • ValidateCompleted Event
        • ValidateEmailsCompleted Event
        • ValidateTextFileCompleted Event
    • EmailValidatorException
      • Overview
      • Members
      • EmailValidatorException Constructor
        • EmailValidatorException Constructor()
        • EmailValidatorException Constructor(EmailValidatorExceptionStatus,Object[])
        • EmailValidatorException Constructor(Exception,EmailValidatorExceptionStatus,Object[])
        • EmailValidatorException Constructor(SerializationInfo,StreamingContext)
        • EmailValidatorException Constructor(String)
        • EmailValidatorException Constructor(String,Exception)
      • Methods
        • GetObjectData Method
      • Properties
        • Status Property
    • EmailValidatorLocalizationSettings
      • Overview
      • Members
      • EmailValidatorLocalizationSettings Constructor
      • Properties
        • CheckingEmailSyntaxCompletedString Property
        • CheckingEmailSyntaxString Property
        • CheckingInEmailListsCompletedString Property
        • CheckingInEmailListsString Property
        • CheckingInMailboxDomainListCompletedString Property
        • CheckingInMailboxDomainListString Property
        • ConnectingToString Property
        • ConnectionToFailedString Property
        • EmailSyntaxIsNotCorrectString Property
        • FoundInBlackListString Property
        • FoundInMailboxDomainListString Property
        • MailboxInvalidString Property
        • MailboxValidationCompletedString Property
        • MailboxValidationStartedString Property
        • MailboxValidString Property
        • MailExchangeRecordValidationCompletedString Property
        • MailExchangeRecordValidationStartedString Property
        • NotFoundInWhiteListString Property
        • SmtpValidationCompletedString Property
        • SmtpValidationStartedString Property
        • ValidatingEmailCompletedString Property
        • ValidatingEmailStartedString Property
    • EmailValidatorLogEventArgs
      • Overview
      • Members
      • Properties
        • Message Property
        • SmtpTranscript Property
        • ThreadId Property
    • EmailValidatorProgressEventArgs
      • Overview
      • Members
      • Properties
        • DataReader Property
        • DataRow Property
        • EmailAddress Property
        • EmailsProcessed Property
        • Index Property
        • Level Property
        • Passed Property
        • ProgressPercentage Property
        • ThreadId Property
        • TotalEmails Property
    • EmailValidatorThreadCompletedEventArgs
      • Overview
      • Members
      • Properties
        • Cancelled Property
        • EmailsPassed Property
        • EmailsProcessed Property
        • LastException Property
        • ThreadId Property
    • EmailValidatorThreadInfo
      • Overview
      • Members
      • Properties
        • Cancelled Property
        • LastException Property
        • ThreadId Property
    • EmailValidatorThreadsCompletedEventArgs
      • Overview
      • Members
      • Properties
        • EmailsPassed Property
        • EmailsProcessed Property
        • Result Property
    • MailExchangeRecord
      • Overview
      • Members
      • Methods
        • ToString Method
      • Properties
        • ExchangeName Property
        • Name Property
        • Preference Property
        • RawData Property
        • TTL Property
  • Enumerations
    • EmailValidatorExceptionStatus
    • ValidationLevel
  • Interfaces
    • IDnsResourceRecord
      • Overview
      • Members
      • Methods
        • ToString Method
      • Properties
        • Name Property
        • RawData Property
        • TTL Property
• Atp.Net Namespace
  • Overview
  • Classes
    • CommandResponseEventArgs
      • Overview
      • Members
      • Properties
        • Command Property
        • Response Property
  • Delegates
    • CommandResponseEventHandler
• Atp.Net Namespace
  • Overview
  • Classes
    • ProxyClient
      • Overview
      • Members
      • ProxyClient Constructor
        • ProxyClient Constructor()
        • ProxyClient Constructor(AddressFamily)
        • ProxyClient Constructor(AddressFamily,ProxyType,ProxyHttpConnectAuthMethod,String,Int32,String,String,String)
        • ProxyClient Constructor(IContainer)
        • ProxyClient Constructor(ProxyType,ProxyHttpConnectAuthMethod,String,Int32,String,String,String)
        • ProxyClient Constructor(String,Int32,ProxyType,ProxyHttpConnectAuthMethod,String,Int32,String,String,String)
      • Methods
        • BeginConnect Method
          • BeginConnect(IPAddress,Int32,AsyncCallback,Object) Method
          • BeginConnect(IPAddress,Int32,Object) Method
          • BeginConnect(IPAddress,Int32) Method
          • BeginConnect(String,Int32,AsyncCallback,Object) Method
          • BeginConnect(String,Int32,Object) Method
          • BeginConnect(String,Int32) Method
          • BeginConnect(IPEndPoint,AsyncCallback,Object) Method
          • BeginConnect(IPEndPoint,Object) Method
          • BeginConnect(IPEndPoint) Method
        • Close Method
        • Connect Method
          • Connect(IPEndPoint) Method
          • Connect(IPAddress,Int32) Method
          • Connect(String,Int32) Method
        • Disconnect Method
        • Dispose Method
          • Dispose(Boolean) Method
        • EndConnect Method
        • Finalize Method
        • GetStream Method
        • OnConnectCompleted Method
      • Properties
        • Active Property
        • AuthenticationMethod Property
        • Available Property
        • ClientSocket Property
        • Connected Property
        • Domain Property
        • ExclusiveAddressUse Property
        • Family Property
        • LingerState Property
        • NoDelay Property
        • Password Property
        • ProxyHost Property
        • ProxyPort Property
        • ProxyType Property
        • ReceiveBufferSize Property
        • ReceiveTimeout Property
        • SendBufferSize Property
        • SendTimeout Property
        • SynchronizingObject Property
        • UserName Property
      • Events
        • ConnectCompleted Event
    • ProxySocketException
      • Overview
      • Members
      • ProxySocketException Constructor
        • ProxySocketException Constructor(SerializationInfo,StreamingContext)
        • ProxySocketException Constructor(SocketException)
        • ProxySocketException Constructor(String,ProxySocketExceptionStatus)
        • ProxySocketException Constructor(String,ProxySocketExceptionStatus,Exception)
      • Methods
        • GetObjectData Method
        • GetSocketExceptionMessage Method
      • Properties
        • ErrorCode Property
        • Status Property
    • WebProxyEx
      • Overview
      • Members
      • WebProxyEx Constructor
        • WebProxyEx Constructor()
        • WebProxyEx Constructor(ProxyType,ProxyHttpConnectAuthMethod,String,Int32,Boolean,NetworkCredential)
        • WebProxyEx Constructor(ProxyType,ProxyHttpConnectAuthMethod,String,Int32,Boolean,String,String,String)
        • WebProxyEx Constructor(ProxyType,ProxyHttpConnectAuthMethod,String,Int32,Boolean,String[],NetworkCredential)
        • WebProxyEx Constructor(ProxyType,ProxyHttpConnectAuthMethod,String,Int32,Boolean,String[],String,String,String)
        • WebProxyEx Constructor(ProxyType,ProxyHttpConnectAuthMethod,String,Int32,NetworkCredential)
        • WebProxyEx Constructor(ProxyType,ProxyHttpConnectAuthMethod,String,Int32,String,String,String)
        • WebProxyEx Constructor(ProxyType,String,Int32)
        • WebProxyEx Constructor(ProxyType,String,Int32,String)
        • WebProxyEx Constructor(SerializationInfo,StreamingContext)
      • Methods
        • Clone Method
        • GetLocalPortRange Method
        • GetObjectData Method
        • GetProxy Method
        • IsBypassed Method
          • IsBypassed(Uri) Method
          • IsBypassed(String,Int32) Method
        • SetLocalPortRange Method
        • ToString Method
      • Properties
        • AuthenticationMethod Property
        • BypassArrayList Property
        • BypassList Property
        • BypassProxyOnLocal Property
        • Credentials Property
        • Domain Property
        • Encoding Property
        • Password Property
        • Port Property
        • ProxyType Property
        • SendRetryTimeout Property
        • Server Property
        • UserName Property
  • Enumerations
    • ProxyHttpConnectAuthMethod
    • ProxySocketExceptionStatus
    • ProxyType
    • SspiAuthenticationMethod
• Atp.Net.Dns Namespace
  • Overview
  • Classes
    • DnsException
      • Overview
      • Members
      • DnsException Constructor
        • DnsException Constructor()
        • DnsException Constructor(DnsExceptionStatus,Object[])
        • DnsException Constructor(Exception,DnsExceptionStatus,Object[])
        • DnsException Constructor(SerializationInfo,StreamingContext)
        • DnsException Constructor(String)
        • DnsException Constructor(String,Exception)
      • Methods
        • GetObjectData Method
      • Properties
        • Status Property
  • Enumerations
    • DnsExceptionStatus
    • DnsRecordType
• Atp.Security Namespace
  • Overview
  • Classes
    • SecuritySettings
      • Overview
      • Members
      • Properties
        • FipsAlgorithmsOnly Property
        • ForceManagedAes Property
        • MediumTrust Property
• Atp.Security.Authentication Namespace
  • Overview
  • Classes
    • SspiException
      • Overview
      • Members