/// <summary>
/// Parses a string containing addresses in the following formats :
/// <list type="circle">
/// <item>"John Doe" <[email protected]>,"Mike Johns" <[email protected]></item>
/// <item>"John Doe" <[email protected]>;"Mike Johns" <[email protected]></item>
/// <item><[email protected]></item>
/// <item>[email protected]</item>
/// </list>
/// </summary>
/// <param name="input">A string containing addresses in the formats desribed above.</param>
/// <returns>An AddressCollection object containing the parsed addresses.</returns>
public static AddressCollection ParseAddresses(string input)
{
//TODO: enforce parser to use regex
AddressCollection addresses = new AddressCollection();
string[] comma_separated = input.Split(',');
for (int i = 0; i < comma_separated.Length; i++)
{
if (comma_separated[i].IndexOf("@") == -1 && comma_separated.Length > (i + 1))
{
comma_separated[i + 1] = comma_separated[i] + comma_separated[i + 1];
}
}
for (int i = 0; i < comma_separated.Length; i++)
{
if (comma_separated[i].IndexOf("@") != -1)
{
addresses.Add(Parser.ParseAddress((comma_separated[i].IndexOf("<") != -1 && comma_separated[i].IndexOf(":") != -1 && comma_separated[i].IndexOf(":") < comma_separated[i].IndexOf("<")) ? ((comma_separated[i].Split(':')[0].IndexOf("\"") == -1) ? comma_separated[i].Split(':')[1] : comma_separated[i]) : comma_separated[i]));
}
}
//MatchCollection matches = Regex.Matches(input, "(\"(?<name>.+?)\")*\\s*<?(?<email>[^<>,\"\\s]+)>?");
//foreach (Match m in matches)
// addresses.Add(m.Groups["email"].Value, m.Groups["name"].Value);
return(addresses);
}
/// <summary>
/// Replace in an AddressCollection.
/// </summary>
/// <param name="addresses">The AddressCollection.</param>
/// <param name="field">The field.</param>
/// <param name="replacement">The replacement string.</param>
/// <returns>The AddressCollection with replaced content.</returns>
private ActiveUp.Net.Mail.AddressCollection ReplaceInAddresses(ActiveUp.Net.Mail.AddressCollection addresses, string field, string replacement)
{
for (int index = 0; index < addresses.Count; index++)
{
addresses[index].Email = ReplaceField(addresses[index].Email, field, replacement);
addresses[index].Name = ReplaceField(addresses[index].Name, field, replacement);
}
return(addresses);
}
/// <summary>
/// Replace in an AddressCollection.
/// </summary>
/// <param name="addresses">The AddressCollection.</param>
/// <param name="field">The field.</param>
/// <param name="replacement">The replacement string.</param>
/// <returns>The AddressCollection with replaced content.</returns>
private ActiveUp.Net.Mail.AddressCollection ReplaceInAddresses(ActiveUp.Net.Mail.AddressCollection addresses, string field, string replacement)
{
foreach (Address t in addresses)
{
t.Email = ReplaceField(t.Email, field, replacement);
t.Name = ReplaceField(t.Name, field, replacement);
}
return(addresses);
}
/// <summary>
/// Allows the developer to add a collection of Address objects in another one.
/// </summary>
/// <param name="first">The first collection.</param>
/// <param name="second">The second collection.</param>
/// <returns>The concatened collection.</returns>
public static AddressCollection operator +(AddressCollection first, AddressCollection second)
{
AddressCollection newAddresses = first;
foreach (Address address in second)
{
newAddresses.Add(address);
}
return(newAddresses);
}
/// <summary>
/// Merge the address collection with the specified item.
/// </summary>
/// <param name="addresses">The address to merge.</param>
/// <param name="item">The item to use for merging.</param>
/// <returns>The merged Address colection.</returns>
public AddressCollection MergeAddresses(AddressCollection addresses, object item)
{
int index;
for (index = 0; index < addresses.Count; index++)
{
addresses[index].Email = MergeText(addresses[index].Email, item);
addresses[index].Name = MergeText(addresses[index].Name, item);
}
return(addresses);
}
/// <summary>
/// Validates the addresses' syntax.
/// </summary>
/// <param name="address">The addresses to be validated.</param>
/// <returns>True if syntax is valid, otherwise false.</returns>
public static ActiveUp.Net.Mail.AddressCollection ValidateSyntax(ActiveUp.Net.Mail.AddressCollection addresses)
{
ActiveUp.Net.Mail.AddressCollection invalids = new ActiveUp.Net.Mail.AddressCollection();
foreach (ActiveUp.Net.Mail.Address address in addresses)
{
if (!ActiveUp.Net.Mail.Validator.ValidateSyntax(address.Email))
{
invalids.Add(address);
}
}
return(invalids);
}
/// <summary>
/// Merge the Address collection with the specified datasource.
/// </summary>
/// <param name="addresses">The addresses to merge.</param>
/// <param name="dataSource">The datasource to use for merging.</param>
/// <param name="repeat">Specify if the texts will be repeated or not.</param>
/// <returns>The merged Address collection</returns>
public AddressCollection MergeAddresses(AddressCollection addresses, object dataSource, bool repeat)
{
int index;
for (index = 0; index < addresses.Count; index++)
{
addresses[index].Email = MergeText(addresses[index].Email, dataSource, repeat);
addresses[index].Name = MergeText(addresses[index].Name, dataSource, repeat);
}
return(addresses);
}
/// <summary>
/// Validates the addresses' syntax.
/// </summary>
/// <param name="address">The addresses to be validated.</param>
/// <returns>True if syntax is valid, otherwise false.</returns>
public static AddressCollection ValidateSyntax(AddressCollection addresses)
{
AddressCollection invalids = new AddressCollection();
foreach (Address address in addresses)
{
if (!ValidateSyntax(address.Email))
{
invalids.Add(address);
}
}
return(invalids);
}
//Address parsing conformant to RFC2822's addr-spec. /// <summary> /// Parses a string containing addresses in the following formats : /// <list type="circle"> /// <item>"John Doe" <[email protected]>,"Mike Johns" <[email protected]></item> /// <item>"John Doe" <[email protected]>;"Mike Johns" <[email protected]></item> /// <item><[email protected]></item> /// <item>[email protected]</item> /// </list> /// </summary> /// <param name="input">A string containing addresses in the formats desribed above.</param> /// <returns>An AddressCollection object containing the parsed addresses.</returns> public static AddressCollection ParseAddresses(string input) { AddressCollection addresses = new AddressCollection(); string[] comma_separated = input.Split(','); for(int i=0;i<comma_separated.Length;i++) if(comma_separated[i].IndexOf("@")==-1 && comma_separated.Length>(i+1)) comma_separated[i+1] = comma_separated[i]+comma_separated[i+1]; for(int i=0;i<comma_separated.Length;i++) /*if(comma_separated[i].IndexOf("@")!=-1)*/ addresses.Add(Parser.ParseAddress((comma_separated[i].IndexOf("<")!=-1 && comma_separated[i].IndexOf(":")!=-1 && comma_separated[i].IndexOf(":")<comma_separated[i].IndexOf("<")) ? ((comma_separated[i].Split(':')[0].IndexOf("\"")==-1) ? comma_separated[i].Split(':')[1] : comma_separated[i]) : comma_separated[i])); return addresses; }
public static IAsyncResult BeginFilter(AddressCollection addresses, ServerCollection dnsServers, AsyncCallback callback)
{
_delegateFilterServers = Filter;
return(_delegateFilterServers.BeginInvoke(addresses, dnsServers, callback, _delegateFilterServers));
}
public static IAsyncResult BeginGetInvalidAddresses(AddressCollection addresses, AsyncCallback callback)
{
SmtpValidator._delegateGetInvalidAddresses = SmtpValidator.GetInvalidAddresses;
return(SmtpValidator._delegateGetInvalidAddresses.BeginInvoke(addresses, callback, SmtpValidator._delegateGetInvalidAddresses));
}
/// <summary>
/// Validates the addresses' syntax.
/// </summary>
/// <param name="address">The addresses to be validated.</param>
/// <returns>True if syntax is valid, otherwise false.</returns>
public static ActiveUp.Net.Mail.AddressCollection ValidateSyntax(ActiveUp.Net.Mail.AddressCollection addresses)
{
ActiveUp.Net.Mail.AddressCollection invalids = new ActiveUp.Net.Mail.AddressCollection();
foreach(ActiveUp.Net.Mail.Address address in addresses) if(!ActiveUp.Net.Mail.Validator.ValidateSyntax(address.Email)) invalids.Add(address);
return invalids;
}
/// <summary>
/// Sends the message using the specified DNS servers to get mail exchange servers addresses.
/// </summary>
/// <param name="message">The message to be sent.</param>
/// <param name="dnsServers">Servers to be used (in preference order).</param>
/// <example>
/// <code>
/// C#
///
/// Message message = new Message();
/// message.Subject = "Test";
/// message.From = new Address("*****@*****.**","John Doe");
/// message.To.Add("*****@*****.**","Mike Johns");
/// message.BodyText.Text = "Hello this is a test!";
///
/// ServerCollection servers = new ServerCollection();
/// servers.Add("ns1.dnsserver.com",53);
/// servers.Add("ns2.dnsserver.com",53);
///
/// SmtpClient.DirectSend(message,servers);
///
/// VB.NET
///
/// Dim message As New Message
/// message.Subject = "Test"
/// message.From = New Address("*****@*****.**","John Doe")
/// message.To.Add("*****@*****.**","Mike Johns")
/// message.BodyText.Text = "Hello this is a test!"
///
/// Dim servers As New ServerCollection
/// servers.Add("ns1.dnsserver.com",53)
/// servers.Add("ns2.dnsserver.com",53)
///
/// SmtpClient.DirectSend(message,servers)
///
/// JScript.NET
///
/// var message:Message = new Message();
/// message.Subject = "Test";
/// message.From = new Address("*****@*****.**","John Doe");
/// message.To.Add("*****@*****.**","Mike Johns");
/// message.BodyText.Text = "Hello this is a test!";
///
/// var servers:ServerCollection = new ServerCollection();
/// servers.Add("ns1.dnsserver.com",53);
/// servers.Add("ns2.dnsserver.com",53);
///
/// SmtpClient.DirectSend(message,servers);
/// </code>
/// </example>
public static string DirectSend(Message message, ServerCollection dnsServers)
{
// Ensure that the mime part tree is built
message.CheckBuiltMimePartTree();
string email = (message.From.Name!="(unknown)") ? message.From.Email : message.Sender.Email;
int recipientCount = message.To.Count+message.Cc.Count+message.Bcc.Count;
#if !PocketPC
System.Array domains = System.Array.CreateInstance(typeof(string),new int[] {recipientCount},new int[] {0});
System.Array adds = System.Array.CreateInstance(typeof(ActiveUp.Net.Mail.Address),new int[] {recipientCount},new int[] {0});
#else
System.Array domains = System.Array.CreateInstance(typeof(string), new int[] { recipientCount });
System.Array adds = System.Array.CreateInstance(typeof(ActiveUp.Net.Mail.Address), new int[] { recipientCount });
#endif
ActiveUp.Net.Mail.AddressCollection recipients = new ActiveUp.Net.Mail.AddressCollection();
recipients += message.To;
recipients += message.Cc;
recipients += message.Bcc;
for(int i=0;i<recipients.Count;i++)
{
if (ActiveUp.Net.Mail.Validator.ValidateSyntax(recipients[i].Email))
{
domains.SetValue(recipients[i].Email.Split('@')[1],i);
adds.SetValue(recipients[i],i);
}
}
System.Array.Sort(domains,adds,null);
string currentDomain = "";
string address = "";
string buf = "";
ActiveUp.Net.Mail.SmtpClient smtp = new ActiveUp.Net.Mail.SmtpClient();
for(int j=0;j<adds.Length;j++)
{
address = ((ActiveUp.Net.Mail.Address)adds.GetValue(j)).Email;
if(((string)domains.GetValue(j))==currentDomain)
{
smtp.RcptTo(address);
if(j==(adds.Length-1))
{
smtp.Data(message.ToMimeString(true));//,(message.Charset!=null ? message.Charset : "iso-8859-1"));
smtp.Disconnect();
}
}
else
{
if(currentDomain!="")
{
smtp.Data(message.ToMimeString(true));//,(message.Charset!=null ? message.Charset : "iso-8859-1"));
smtp.Disconnect();
smtp = new ActiveUp.Net.Mail.SmtpClient();
}
currentDomain = (string)domains.GetValue(j);
buf += currentDomain+"|";
if (dnsServers == null || dnsServers.Count == 0)
{
if (dnsServers == null)
dnsServers = new ServerCollection();
IList<IPAddress> machineDnsServers = DnsQuery.GetMachineDnsServers();
foreach (IPAddress ipAddress in machineDnsServers)
dnsServers.Add(ipAddress.ToString());
}
ActiveUp.Net.Mail.MxRecordCollection mxs = ActiveUp.Net.Mail.Validator.GetMxRecords(currentDomain, dnsServers);
if(mxs != null && mxs.Count>0) smtp.Connect(mxs.GetPrefered().Exchange);
else throw new ActiveUp.Net.Mail.SmtpException("No MX record found for the domain \""+currentDomain+"\". Check that the domain is correct and exists or specify a DNS server.");
try
{
smtp.Ehlo(System.Net.Dns.GetHostName());
}
catch
{
smtp.Helo(System.Net.Dns.GetHostName());
}
smtp.MailFrom(email);
smtp.RcptTo(address);
if (j == (adds.Length - 1))
{
smtp.Data(message.ToMimeString(true));//,(message.Charset!=null ? message.Charset : "iso-8859-1"));
smtp.Disconnect();
}
}
//}
//catch(ActiveUp.Net.Mail.SmtpException ex) { throw ex; }
}
return buf;
}
/// <summary>
/// Performs a VRFY command on the server using the specified addresses (checks if the addresses refer to mailboxes on the server).
/// </summary>
/// <param name="address">The addresses to be verified.</param>
/// <returns>A collection containing the invalid addresses.</returns>
/// <example>
/// <code>
/// C#
///
/// SmtpClient smtp = new SmtpClient();
/// smtp.Connect("mail.myhost.com",8504);
/// try
/// {
/// smtp.Ehlo();
/// }
/// catch
/// {
/// smtp.Helo();
/// }
/// //Create a collection to test.
/// AddressCollection myaddresses = new AddressCollection();
/// myaddresses.Add("*****@*****.**","John Doe");
/// myaddresses.Add("*****@*****.**","Mike Johns");
/// //Verifies all addresses.
/// AddressCollection invalidAddresses = smtp.Verify(myaddresses);
/// smtp.Disconnect();
///
/// VB.NET
///
/// Dim smtp As New SmtpClient
/// smtp.Connect("mail.myhost.com",8504)
/// Try
/// smtp.Ehlo()
/// Catch
/// smtp.Helo()
/// End Try
/// 'Create a collection to test.
/// Dim myaddresses As New AddressCollection
/// myaddresses.Add("*****@*****.**","John Doe")
/// myaddresses.Add("*****@*****.**","Mike Johns")
/// 'Verifies all addresses.
/// Dim invalidAddresses As AddressCollection = smtp.Verify(myaddresses)
/// smtp.Disconnect()
///
/// JScript.NET
///
/// var smtp:SmtpClient = new SmtpClient();
/// smtp.Connect("mail.myhost.com",8504);
/// try
/// {
/// smtp.Ehlo();
/// }
/// catch
/// {
/// smtp.Helo();
/// }
/// //Create a collection to test.
/// var myaddresses:AddressCollection = new AddressCollection();
/// myaddresses.Add("*****@*****.**","John Doe");
/// myaddresses.Add("*****@*****.**","Mike Johns");
/// //Verifies all addresses.
/// var invalidAddresses:AddressCollection = smtp.Verify(myaddresses);
/// smtp.Disconnect();
/// </code>
/// </example>
public ActiveUp.Net.Mail.AddressCollection Verify(ActiveUp.Net.Mail.AddressCollection addresses)
{
ActiveUp.Net.Mail.AddressCollection incorrects = new ActiveUp.Net.Mail.AddressCollection();
foreach(ActiveUp.Net.Mail.Address address in addresses)
{
try
{
this.Verify(address.Email);
}
catch
{
incorrects.Add(address);
}
}
return incorrects;
}
/// <summary>
/// Validates syntax and existence of the given address and returns valid addresses.
/// </summary>
/// <param name="addresses">The collection to be filtered.</param>
/// <param name="dnsServers">Name Servers to be used for MX records search.</param>
/// <returns>A collection containing the valid addresses.</returns>
public static AddressCollection Filter(AddressCollection addresses, ServerCollection dnsServers)
{
AddressCollection valids = new AddressCollection();
AddressCollection valids1 = new AddressCollection();
System.Collections.Specialized.HybridDictionary ads = new System.Collections.Specialized.HybridDictionary();
for (int i = 0; i < addresses.Count; i++)
{
if (ValidateSyntax(addresses[i].Email))
{
valids.Add(addresses[i]);
}
}
#if !PocketPC
Array domains = Array.CreateInstance(typeof(string), new int[] { valids.Count }, new int[] { 0 });
Array adds = Array.CreateInstance(typeof(Address), new int[] { valids.Count }, new int[] { 0 });
#else
System.Array domains = System.Array.CreateInstance(typeof(string), new int[] { valids.Count });
System.Array adds = System.Array.CreateInstance(typeof(ActiveUp.Net.Mail.Address), new int[] { valids.Count });
#endif
for (int i = 0; i < valids.Count; i++)
{
domains.SetValue(valids[i].Email.Split('@')[1], i);
adds.SetValue(valids[i], i);
}
Array.Sort(domains, adds, null);
string currentDomain = "";
string address = "";
SmtpClient smtp = new SmtpClient();
bool isConnected = false;
for (int i = 0; i < adds.Length; i++)
{
address = ((Address)adds.GetValue(i)).Email;
if (((string)domains.GetValue(i)) == currentDomain)
{
if (!smtp.Verify(address))
{
try
{
//smtp.MailFrom("postmaster@"+System.Net.Dns.GetHostName());
//smtp.MailFrom("postmaster@"+currentDomain);
smtp.RcptTo(address);
valids1.Add((Address)adds.GetValue(i));
}
catch
{
}
}
else
{
valids1.Add((Address)adds.GetValue(i));
}
}
else
{
currentDomain = (string)domains.GetValue(i);
try
{
if (isConnected == true)
{
isConnected = false;
smtp.Disconnect();
smtp = new SmtpClient();
}
smtp.Connect(GetMxRecords(currentDomain, dnsServers).GetPrefered().Exchange);
isConnected = true;
try
{
smtp.Ehlo(System.Net.Dns.GetHostName());
}
catch
{
smtp.Helo(System.Net.Dns.GetHostName());
}
if (!smtp.Verify(address))
{
try
{
//smtp.MailFrom("postmaster@"+System.Net.Dns.GetHostName());
//smtp.MailFrom("*****@*****.**");
smtp.MailFrom("postmaster@" + currentDomain);
smtp.RcptTo(address);
valids1.Add((Address)adds.GetValue(i));
}
catch
{
}
}
else
{
valids1.Add((Address)adds.GetValue(i));
}
}
catch
{
}
}
}
if (isConnected == true)
{
smtp.Disconnect();
}
return(valids1);
}
public static IAsyncResult BeginGetInvalidAddresses(AddressCollection addresses, ServerCollection dnsServers, AsyncCallback callback)
{
_delegateGetInvalidAddressesServers = GetInvalidAddresses;
return(_delegateGetInvalidAddressesServers.BeginInvoke(addresses, dnsServers, callback, _delegateGetInvalidAddressesServers));
}
public static IAsyncResult BeginFilter(AddressCollection addresses, AsyncCallback callback)
{
_delegateFilter = Filter;
return(_delegateFilter.BeginInvoke(addresses, callback, _delegateFilter));
}
public static IAsyncResult BeginFilter(AddressCollection addresses, AsyncCallback callback)
{
SmtpValidator._delegateFilter = SmtpValidator.Filter;
return(SmtpValidator._delegateFilter.BeginInvoke(addresses, callback, SmtpValidator._delegateFilter));
}
/// <summary>
/// Validates syntax and existence of the given address and returns valid addresses.
/// </summary>
/// <param name="addresses">The collection to be filtered.</param>
/// <param name="dnsServers">Name Servers to be used for MX records search.</param>
/// <returns>A collection containing the valid addresses.</returns>
public static AddressCollection Filter(AddressCollection addresses, ServerCollection dnsServers)
{
ActiveUp.Net.Mail.AddressCollection valids = new ActiveUp.Net.Mail.AddressCollection();
ActiveUp.Net.Mail.AddressCollection valids1 = new ActiveUp.Net.Mail.AddressCollection();
System.Collections.Specialized.HybridDictionary ads = new System.Collections.Specialized.HybridDictionary();
for (int i = 0; i < addresses.Count; i++)
if (ActiveUp.Net.Mail.Validator.ValidateSyntax(addresses[i].Email)) valids.Add(addresses[i]);
#if !PocketPC
System.Array domains = System.Array.CreateInstance(typeof(string), new int[] { valids.Count }, new int[] { 0 });
System.Array adds = System.Array.CreateInstance(typeof(ActiveUp.Net.Mail.Address), new int[] { valids.Count }, new int[] { 0 });
#else
System.Array domains = System.Array.CreateInstance(typeof(string), new int[] { valids.Count });
System.Array adds = System.Array.CreateInstance(typeof(ActiveUp.Net.Mail.Address), new int[] { valids.Count });
#endif
for (int i = 0; i < valids.Count; i++)
{
domains.SetValue(valids[i].Email.Split('@')[1], i);
adds.SetValue(valids[i], i);
}
System.Array.Sort(domains, adds, null);
string currentDomain = "";
string address = "";
ActiveUp.Net.Mail.SmtpClient smtp = new ActiveUp.Net.Mail.SmtpClient();
bool isConnected = false;
for (int i = 0; i < adds.Length; i++)
{
address = ((ActiveUp.Net.Mail.Address)adds.GetValue(i)).Email;
if (((string)domains.GetValue(i)) == currentDomain)
{
if (!smtp.Verify(address))
{
try
{
//smtp.MailFrom("postmaster@"+System.Net.Dns.GetHostName());
//smtp.MailFrom("postmaster@"+currentDomain);
smtp.RcptTo(address);
valids1.Add((ActiveUp.Net.Mail.Address)adds.GetValue(i));
}
catch
{
}
}
else valids1.Add((ActiveUp.Net.Mail.Address)adds.GetValue(i));
}
else
{
currentDomain = (string)domains.GetValue(i);
try
{
if (isConnected == true)
{
isConnected = false;
smtp.Disconnect();
smtp = new ActiveUp.Net.Mail.SmtpClient();
}
smtp.Connect(ActiveUp.Net.Mail.Validator.GetMxRecords(currentDomain, dnsServers).GetPrefered().Exchange);
isConnected = true;
try
{
smtp.Ehlo(System.Net.Dns.GetHostName());
}
catch
{
smtp.Helo(System.Net.Dns.GetHostName());
}
if (!smtp.Verify(address))
{
try
{
//smtp.MailFrom("postmaster@"+System.Net.Dns.GetHostName());
//smtp.MailFrom("*****@*****.**");
smtp.MailFrom("postmaster@" + currentDomain);
smtp.RcptTo(address);
valids1.Add((ActiveUp.Net.Mail.Address)adds.GetValue(i));
}
catch
{
}
}
else valids1.Add((ActiveUp.Net.Mail.Address)adds.GetValue(i));
}
catch
{
}
}
}
if (isConnected == true)
smtp.Disconnect();
return valids1;
}
