: Send out newsletter to 60.000 people where mail addresses can be wrong already I hope webmasters is the right place to ask this kind of question. I have a website with about 60.000 people

@Gretchen104

I'd use amazon, like genepool99 said for your first batch which will filter out any blacklisted and non-existant emails, and it's via their smtp so won;t blacklist your domain (or shouldn't!)

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@Rivera981

If you need something very basic, then MailChimp or Constant Contact might be overkill. Amazon has the Simple Email Service (SES). It is very cheap and easy to implement. If a message bounces it is no big deal. They will automatically blacklist it from future mailings and send you a notification so you can remove it from the system.

There are two ways to send email with SES. If your server is already using SMTP to send email, it is as easy as pointing to the Amazon server. If you don't mind coding, you can also use the API to send messages.
aws.amazon.com/ses/

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@Chiappetta492

It would cost some money but sign up for a service like MailChimp or Constant Contact. This will provide two solutions for you, one it will notify you of any invalid emails and two it will automatically allow those who want to unsubscribe to do so immediately.

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@Sent6035632

If you did make major upgrades to your site, check your database of email addresses, and only send email to those who gave consent to such mail. I hope that the first time these 60,000 people gave you their emails you did offer the option for them to opt out of promotional offers and all that stuff.

As for those who still opt in, I'd suggest creating a generic message telling people the new features they can expect to use and add a link in the email which they can use to unsubscribe from future emails.

You may want to add a small apology message in the email so that if someone else claimed ownership of some email addresses you have on file, they won't feel as inconvenienced.

Maybe start the email like this:

This message is for those who continue to use ______.com. If this is not you, we apologize and invite you to use the unsubscribe link below.


As for sending the actual email, it can be done in PHP or another programming language. Just loop through applicable emails and call the mail function for each one.

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