[Mailman-Users] Mass Mail

[Richard Damon]

On 4/28/13 10:33 PM, Stephen J. Turnbull wrote:
> Mark Sapiro writes:
>
> I have nothing to add to Mark's answer to question 1.
>
>  > > 2- If that email consumes 200GB of my monthly bandwidth, while my
>  > > monthly bandwidth limit is only 8GB, sending that one email will
>  > > explode and break down my whole website or it will just give me an
>  > > error that this number is higher than allowed bandwidth?
>  > 
>  > This is a question for your hosting provider. We can't answer it.
>
> Strictly speaking, Mark is correct.  Being Mark means being always
> correct, so he can't speculate. :-)  I can, however.
>
> Experience reported on the Mailman lists over the past decade shows
> that there are two common local limits.  One is count of recipients.
> If a single submission exceeds that, the local MTA may refuse to send
> that message, and you get the error, but don't use any bandwidth.  No
> subscribers get the post.  Not good, but usually not a disaster (for
> the subscribers).
>
> The second common experience is that the MTA limits either count or
> bandwidth, and stops sending.  Then some subscribers get mail and
> others don't.  This is very bad in most cases.  However, you get a new
> allocation next month.
>
> The third case is that the MTA limits *and queues the remainder*.  You
> are now well and truly hosed.  You need to get your host to delete the
> post from the MTA queue, or you won't get a usable allocation for a
> while....  (Note that AFAIK this case is usually applied by services
> that have a daily rather than a monthly quota.)

There is a fourth case, Host Provider sends the emails then sends you a
bill for the overage at the rate specified in the contract. This could
be very expensive for going that much over limit.

-- 
Richard Damon