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http://www.lyquidity.com/devblog/?p=56
As a result of finding out that our emails supplier may be bouncing valid emails just because a sender’s DNS settings are not just-so we decided to create our own mail server. It was surprisingly easy and, for us, cost effective.
http://kovshenin.com/archives/cloud-tips-amazon-ec2-rejected-email/
A few weeks ago I’ve setup my email in the /etc/aliases for user root (and the others) and started to actually read my root email from time to time (I wonder why I never did that before). Anyways, what bugged me straight away is that I had some rejected emails that were not being delivered, yielding the following errors (I removed some numbers):
http://www.kinlane.com/?p=1053
I have been going round and round with Amazon Web Services EC2 and Trend Micro MAPS for about 2 weeks now about the entire Amazon IP address block being black listed.
Finally got some action out of Amazon. They are going to add PTR records for all of the IP addresses that we own.
http://bipinkdas.blogspot.com/2008/05/one-of-main-problem-i-found-in-ec2-is.html
One of the main problem I found in the EC2 is to sending mail to outside world. Some mail servers like YAHOO and HOTMAIL will block all the orphan mails from EC2 as SPAM. So people cannot send mail like CustomerVerification,NewsLetter from EC2 comfortably.So I am hereby stating an alternate method which was experimented by Paul to get out of this problem. This is sending mails using POSTFIX
http://developer.amazonwebservices.com/connect/thread.jspa?messageID=149976
Email Changes
Posted: Oct 21, 2009 8:25 PM PDT
It is our intention to make it easy to reliably send email from the EC2 environment. To help make it easier to send reliable email from EC2, we are making a few changes to our email policy.
If you are sending email from EC2, we highly suggest that you register one or more Elastic IP addresses with us by filling out this form so that we can work to keep it white-listed with anti-SPAM agencies like spamhaus.org: http://aws.amazon.com/contact-us/ec2-email-limit-request/
Additionally, new accounts will be limited by default in the amount of email that they can send. New users wishing to send email from EC2 should apply to have this limit removed by filling out that same form. While these changes have been designed to not impact current users and running instances, please let us know if you experience any problems with your email applications. You will be contacted via email if we detect that your account is hitting the outbound email limit.
Please let us know if you have any questions,
The Amazon EC2 Team
We keep your emails out of spam folders
Cloud service that grows with your email demands
Can’t send email from the cloud — your server will be blacklisted.
Those guys might be good solution.
Here is More:
http://solutions.amazonwebservices.com/connect/thread.jspa?threadID=37395
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