Some of you will recall that I had some trouble with hosting my customer mailing list back in August and ended up moving it to a new hosting company. I don't actually use the mailing list all that often, so that's kind of where things have rested since then. DadaMail was installed and running at TextDrive, and people could subscribe and unsubscribe, but I hadn't actually sent anything to the list since.
Until this week, when I decided to send out an announcement about the 5 year anniversary. And... it worked perfectly, no problems whatsoever. Of course I could have said the same thing when it was hosted at Pair, except that this time I have explicit permission to use the software.
The only unexpected minor detail was my own fault. With DadaMail (and probably with competing tools) you avoid swamping the mail server by having messages sent in batches. That is, send X messages every Y minutes. After consulting with TextDrive support I set this at 25 messages every minute.
That works, but it can take a long time if the list is big. Like, ((number of subscribers) / 25) minutes in this case. Hours and hours, in my case.
The problem? Don't use words like "today" in a message unless you're sure you'll actually be able to send all of the messages before the day ends.
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