> Run your own server that sends emails through SMTP > Use phpmail > Use a email newsletter service > Use a desktop program to send the emails
You can try the free trial version of BBmail bulk email software at first. If you like it, you can pay for the lifetime license.
Have someone code you a custom php mailer. Get a dedicated server. Fine a contact that can rent you tons of proxies. Get some data.. then putty and ./mail true 500 - boom
250,000 is a huge volume. It's better to choose a good email marketing software to send these emails. I recommend Comm100 email marketing. It's easy of use.
Hello, You may send it by getmailsoftware.com and may send free 10,000 free emails by this software, also provide a smtp server too.. You can get better visitors on your site.
there are a lot of great services. I'm using two of them: 1) MailChimp.com - it has an awesome tool for simple mail template creator. 2) CampaignMonitor.com - it is also great and in some way cheaper.
Most Autoresponders Max out at 100,000 subscribers, So dependent on your list size you will need a few autoresponders