Is SMTPQ an SMTP Server?

The SMTPQ service is not an SMTP server. It’s a service that watches a directory for special .eml files. When a .eml file appears, it reads it, extracts and removes information from the header and sends the email by connecting to an SMTP server. The information extracted from the .eml …

scRet: 80090305

If you find an 8-digit hexidecimal error code in your LastErrorText, the best way to understand what it may mean is to Google the error number. In this example, search for “80090305”. You may also send the contents of the LastErrorText to support@chilkatsoft.com. PS> If displaying LastErrorText in an ASP …

Using Assembly in ASP.NET – Simplest Example

This example demonstrates the simplest method for using a .NET assembly in an ASP.NET web page. 1) Create a new file “helloWorld.aspx” in your web site’s root directory. Using a text editor, add this: <%@ Page Language=”C#” %> <%@ Import Namespace=”Chilkat” %> <html> <head> <title>ASP.NET Hello World</title> </head> <body bgcolor=”#FFFFFF”> …

C# Blowfish Test Vectors

C# to match the Blowfish test vectors at this URL: http://www.schneier.com/code/vectors.txt // keys string[] key = new string[] { “0000000000000000”, “FFFFFFFFFFFFFFFF”, “3000000000000000”, “1111111111111111”, “0123456789ABCDEF”, “1111111111111111”, “0000000000000000”, “FEDCBA9876543210”, “7CA110454A1A6E57”, “0131D9619DC1376E”, “07A1133E4A0B2686”, “3849674C2602319E”, “04B915BA43FEB5B6”, “0113B970FD34F2CE”, “0170F175468FB5E6”, “43297FAD38E373FE”, “07A7137045DA2A16”, “04689104C2FD3B2F”, “37D06BB516CB7546”, “1F08260D1AC2465E”, “584023641ABA6176”, “025816164629B007”, “49793EBC79B3258F”, “4FB05E1515AB73A7”, “49E95D6D4CA229BF”, “018310DC409B26D6”, “1C587F1C13924FEF”, “0101010101010101”, “1F1F1F1F0E0E0E0E”, “E0FEE0FEF1FEF1FE”, “0000000000000000”, …

SMTP 550 No such user here

This was just discovered with one SMTP server: the error message: RCPT TO: <somebody@somewhere.com> 550 <somebody@somewhere.com> No such user here Was caused by forgetting to authenticate with the SMTP server.  The SMTP server requires authentication in order to relay email to another domain (in other words, it’s protected against being …