Could this work (send mass newsletter email w/ ASP.NET (C#))

I am working on a site and it has to have a newsletter sending functionality. A couple of weeks ago I posted a question on stackoverflow, and the good people suggested that I do a console app which I call from the site and it sends the mails. I did this, and it works locally, but I wasn't able to get it working on the server (security issue). Been trying to make this work for the past 3 days. So then, I decidet to try and change how the email is sent. To make a long story short, now I split all the emails in "groups" of 50, and then make a new MailMessage object, and mailMessage.To.add(sample@sample.com) emails to开发者_Go百科 it. Then I send it 50 by 50.

It works for now, but my question is, how "BAD" is this solution? I tryed adding the emails to bcc, but for some reason (for me) this works only locally ( !?! ).

And one more thing which I couldn't find on line, what is the maximum number of mails I can add to the MailMessage object?

Thank you for your time!

Andrej

its very bad since each user which receives your newsletter will have access to the 49 other contacts (where do i sign up?)

If you are having problems with multiple BCC's, contact you SMTP host.

Did you try sending each separately? if it is taking to long to send, you can build a multi-threaded solution which will help.

The correct way is to send each one his mail and you create a queue in memory on in database for store mail before send. Remember send all emails in 1 time if you use public smtp server is bad thing, you can be banned for that server,this means you must schedule such as 1000 mail at time or less.

i have wrote this years ago if you need i can post same code