Starts sending MAIL command to SMTP server.

C# | Visual Basic | Visual C++ | F# |
public bool MailFromAsync( SMTP_Client..::..MailFromAsyncOP op )
Public Function MailFromAsync ( op As SMTP_Client..::..MailFromAsyncOP ) As Boolean
public: bool MailFromAsync( SMTP_Client..::..MailFromAsyncOP^ op )
member MailFromAsync : op : SMTP_Client..::..MailFromAsyncOP -> bool

- op (SMTP_Client..::..MailFromAsyncOP)
- Asynchronous operation.

Boolean
Returns true if aynchronous operation is pending (The CompletedAsync event is raised upon completion of the operation). Returns false if operation completed synchronously.
Returns true if aynchronous operation is pending (The CompletedAsync event is raised upon completion of the operation). Returns false if operation completed synchronously.

Before using ret or envid arguments, check that remote server supports(SMTP_Client.EsmtpFeatures) SMTP DSN extention.

Exception | Condition |
---|---|
ObjectDisposedException | Is raised when this object is disposed and and this method is accessed. |
InvalidOperationException | Is raised when SMTP client is not connected. |
ArgumentNullException | Is raised when op is null reference. |
Assembly: LumiSoft.Net (Module: LumiSoft.Net.dll) Version: 4.5.5510.19119