Bulk Email Sender & Extractor

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Introduction

I use this code to collect related emails & send newsletters to my customers. I don't use it to send Junk mails to others, so I do not know about the filtering for different mail servers and these kind of usages. I also use it to extract emails from a complex text file (containing email addresses and other texts).

Using the code

There are two parts: first gathering and collecting email addresses in database and the second is sending email. For extracting emails easily copy the text containing emails & paste in to the textbox AddBulkEmail.aspx. It will extract and save email addresses to the MailingList.mdb file. After that, in Default.aspx I send my emails to the addresses.

Before using, set the web.config file. I set 4 variables in web.config:

• SMTPServerName is the name of the mail server which you are working with.
• SampleEmailAddress is the email address which you send sample email for testing and checking the content of your email before sending to the others.
• UDLPath is the address of the file which includes the connection string.
• MatchExpression, there is no need to change it, I placed it here because I thought may be some times I want to change the filtering for extracting emails; and easily I change the web.config file.
  
  In the main.udl file set your physical path for MailingList.mdb.

(The name of application which I tested in my local machine is http://localhost/emailer, so you may need to create it in your IIS)

Points of Interest

I think it needs an automated un-subscriber at the end of every mail which I send to unsubscribe users from my mailing list. I also do not know if there is any problem in sending email to unknown people!