/// <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];
}
}
foreach (string t in comma_separated)
{
if (t.IndexOf("@") != -1)
{
addresses.Add(ParseAddress((t.IndexOf("<") != -1 && t.IndexOf(":") != -1 && t.IndexOf(":") < t.IndexOf("<")) ? ((t.Split(':')[0].IndexOf("\"") == -1) ? t.Split(':')[1] : t) : t));
}
}
//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>
/// 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>
/// 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);
}
//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; }
/// <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);
}
/// <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>
/// 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);
}
/// <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;
}