Giving Back! Linux Help!

blackice6666

blackice6666

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Hello,

I have been working as a Linux System Administrator for 7 years now and since i have learned alot from this forum i would love to give something back.

I work on an ISP and i have built most of its infrastructure including WEB/MAIL/DNS/AAA/Reporting/Database etc etc... Servers.


If you need any help on Linux specific problems or recommendations I am here to help. You can post on this thread or PM me.
 
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Hey, thanks for doing this.

You got any tips for proper setup of a mass mail server under linux? Any free packages that combined can match the big/expensive software found for Windows mass mailing?
 
We currently manage a mail server that has around 900 domains and about 3000 accounts. We had a lot of problems with blacklisting in the beginning but once you set it up right then everything works fine.

Just give me a little bit more information:

1. How many emails/day you want to send?
2. Do you have a dedicated server?
3. How many IPs do you have?
4. Do you want to send from a single/multiple domains?
5. Can your hosting provider add PTR Records for you?


Can you give me an example of this big/expensive windows software, so i can check the features?

Linux MTA-s like postfix and sendmail are really powerful. And there are alot of free/open-source MailList administration softwares around.


 
1. Around 50k emails a day

2. I'll rent one I guess?

3. Donno. Depends on the one I rent.

4. A handful of domains. Say 5. Five is a handful.

5. Yeah.
 
I would suggest to get at least 5 IPs so you can spread the load in terms of protection from blacklists.

Your best bet should be Postfix+Dovecot+phplist

Where:

1. Postfix is your MTA (Really good,fast and supported)
2. Dovecot is your IMAP/POP3 server required for bounce handling.
3. PHPList is your mail list manager, very aged and stable, it has been developed since 2003 or even earlier.

All of this software is free. I would personally recommend you to use CentOS 6 as the Linux Flavor. Really stable since it is a refork of Redhat.

Regarding the features you can take a look here: https://www.phplist.com/details

If the features satisfy your needs i can help you to set it up.
 
any tips on server security hardening in Linux? and a good tutorial on iptables if you have it.
 
Last edited:
I'm looking to tune my lamp stack. All it does is read a website with curl look into a mysql database then send a curl response back. I can tune php and mysql fairly well but what Linux stuff on centos can I check to give me Max spare CPU for my php scripts
 
What's a good linux distribution (with solid GUI) for a beginner to get into linux world???
 
Ubuntu is a good start, I used Fedora and it was nice ... stay mainstream if you're a beginner.
 
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