Re: [cobalt-users] RAQ 4 Email Relaying

[Bruce Timberlake <Bruce.Timberlake@xxxxxxx>]

> When I originally enquired about the RAQ I asked the sales dept "can I allow
> any of my potential clients to send mail through my Server regardless of the
> dial-up connection they have and whether they have a fixed IP or not to any
> e-mail address"
 
<SNIP>

> They came back with the answer YES.

Which is correct, as you can enable "POP before SMTP" and allow anyone
with a valid account to authorize themselves via POP3, then be allowed
to send mail out through the server for a set amount of time.

> I have not successfully done this yet as I keep on getting the message
> "Relaying Denied". - unless I have the IP number that they are connected
> with or they have a static IP (which seems to be getting less and less).

Which is good - you don't want to do something ridiculous and allow
relaying for every ".net" or ".com"...

> The only time this works is when I have "PoP before SMTP" enabled at which
> point they have to collect their mail before sending. The only problem with
> this is if they miss the window for relaying (30mins)

Actually, the relaying window is set to 15 minutes by default.

** UNSUPPORTED AND UNOFFICIAL TIP FOLLOWS **

Edit /usr/local/sbin/poprelayd, and change the value of the
"$timeout_minutes" to something longer... 

> I am aware that the other alternative is for the clients to collect through
> me and send through the ISP that they connect to but I wanted to keep
> everything "under one hat"

Understandable, but then again, that is why ISPs provide SMTP
services... let _them_ deal with the bandwidth, validation, etc.  :)

--
Bruce Timberlake
Sun Cobalt Technology Engineer
Sun Microsystems, Inc.

E: bruce.timberlake@xxxxxxx
T: 877-718-3569 / x69369