Yes, MailChimp, ConstantContact, AWeber, CampaignMonitor are all good ideas.<p>But...<p>Here's the first thing you need to consider: why do people use these services instead of writing their own? You already answered - you want it to reach the person's mailbox instead of being marked as spam. That means that these services (and others like them) depend on their reputation as good mailers for delivery. They've built that reputation over millions/billions of interactions.<p>So here you come with a list of 65,000 - that's a lot of folks. You can't tell them/us how many of these are still active. You don't know how many will hit the spam button.<p>Where I'm going with this is to consider this question: Why would any of these services risk harming their reputation by sending 65,000 emails for a first-time bulk emailer like yourself?<p>I suspect (but don't know for sure) that you will get resistance from the companies. Let's just say that 15,000 of your addresses are gmail accounts and that, after they send your email, 1000 of them fail as "Invalid email account", another 1000 mark your email as spam, another 12,000 do not even open your email, and 1000 open it. Of the 1000 who open it, 100 click through.<p>How will Google react to that? I'd guess they would start lowering their trust for that bulk mailer.<p>Anyway, I'm rambling. I remember years ago signing up for ConstantContact and they made me do a phone interview and a test run of 1000 emails. They told me that if I ever received more than 1 spam report per 1000 emails, I would likely be asked to leave. I don't know how serious they were and, since it's been several years, I don't know if they still do it.<p>Just something to consider!