[AusNOG] Fw: important

[Alex Samad - Yieldbroker]

My interesting interaction with iron port.

Client sent email to 2 staff members. 
First one got blocked/dropped  as spam, second one made it through.

This wasn't 2 emails, but 1 email with 2 addresses.
Alex


-----Original Message-----
From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Brad Peczka
Sent: Thursday, 1 October 2015 5:10 PM
To: Noel Butler <noel.butler at ausics.net>; ausnog at lists.ausnog.net
Subject: Re: [AusNOG] Fw: important

Google will also show me examples of the aliens that landed at Roswell, if I look hard enough. Doesn't mean it's real! :-)

Ironport ESAs are a solid product, as evidenced through their use in Australia by iiNet, Micron21, and many others in both the ISP and Enterprise space. I'm a happy Ironport user and have had very few issues since their installation - they're not quite set and forget, but they're not far off.

Regards,
-Brad.
________________________________________
From: AusNOG [ausnog-bounces at lists.ausnog.net] On Behalf Of Noel Butler [noel.butler at ausics.net]
Sent: Thursday, 1 October 2015 2:22 PM
To: ausnog at lists.ausnog.net
Subject: Re: [AusNOG] Fw: important

On 01/10/2015 13:43, Chad Kelly wrote:

> You can set IronPort to just drop anything with a .zip extension, 
> which solves these issues as the appliance will drop the emails before 
> they even reach the server.
> Ironport can also do inbound filtering as well as outbound.
> Given what you guys want to use the system for it may well be worth 
> the investment in buying your own appliances.
> Regards Chad.

most admins of ISP's around the globe avoid appliances like that, they have poor history, a google search I'm sure will show you examples if you look for ironport problems/disasters/nightmares and so on, anti-spam software like spamassassin (which is exactly what is under the hood of a certain well known appliance or two) is freeand has very little resource effect on mail servers, the real hog is anti-virus, and if you choose your scanners right, you wont notice too much there either, and the benefit is you get to manage rules for your own network. If you dont process much mail, perhaps YMMV and you dont see the scale of nightmares.

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