Ruby on Rails

On Jun 27, 2012, at 7:20 AM, tom wrote:

> hi
>
> i'm currently sending emails via smtp, but i wanna change a few things:
>
> 1) external smtp > local mta
> >> it seems there is a lag when using external smtp, so i was wondering whats the best way to separate the whole email sending from the application, like putting it into a queue?

There's an excellent Railscast about this, covers this precise pain point, and shows you (I think) two different ways to solve it. Have a search there.

>
> 2) how can i call a deliver() method only once but still have a personalized email? eg a personalized newsletter:
> Newsletter.sendoutmonhtlynewsletter(User.all).deliver
> >> how can i reference a username & useremail and still send it once out eg via bcc multiemail (in respect of bcc limits))?
> ( i assume this would b a bit more efficent, or at least out more load on the emailserver then on the application)

If you're sending to a whole list of people, take a serious look at SendGrid and other (paid, but SOOOOO worth it) hosted sending services. This is an unbelievably twisted barrel of eels that you are looking in to, I can tell you from bitter experience. As far as your code goes, I don't think you ever want to send out a bunch of Bcc messages at a time, not unless you want to virtually guarantee non-delivery owing to SPAM traps and the like.

>
> 3) whats the best way to send out emails so that they can be replied to? like github and other service?

Uh, that's just a matter of setting the :from address to a real address. Unless that was a typo, and you meant /can't/ be replied to. Again, it's just a matter of setting the :from address to a real address, although you would then configure an auto-responder at the mail server level to instantly reply 'don't do that again'. And if you mean reply to an e-mail but have it be accepted by the Rails app as input, I was just looking at this problem yesterday. Again, SendGrid has a well-oiled solution in this space, but you can roll your own, and again, Ryan Bates has a screencast about it. (He HAS done everything, at least once, on his Railscast site.)

Walter
>
>
> if sone could share their experience, pro & cons that would help a lot
>
> thx
>
> tom
>
>
>
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