DNS / Mail Issue With Postini Relaying
Feb 14, 2008
I've got a domain name ("problemdomain.com") on my server (CentOS 4, WHM/cPanel) that has been set up with Postini for quite some time. All has been working & routing correctly. I recently changed to a new server with a new IP address. I transferred the account so that the DNS is setup identically on the new server. The only thing that changed is the main server IP, and the IP addresses that ns1.myserver.com and ns2.myserver.com resolve to. That propagation went through today and should be well set in.
Now, whenever you send an email to someone on this domain, it gets bounced back with the following:
This is an automatically generated Delivery Status Notification
Delivery to the following recipient failed permanently:
mail@problemdomain.com
Technical details of permanent failure:
PERM_FAILURE: SMTP Error (state 13): 550-exprod8mx214.postini.com (psmtp.com) [64.18.3.114] is currently not
550-permitted to relay through this server. Perhaps you have not logged into
550-the pop/imap server in the last 30 minutes or do not have SMTP
550 Authentication turned on in your email client.
The way I have the DNS setup on the server for the MX records is as follows:
problemdomain.com., 14400, IN MX, 100, laserskinsurgery.com.s8a1.psmtp.com.
problemdomain.com., 14400, IN MX, 200, laserskinsurgery.com.s8a2.psmtp.com.
problemdomain.com., 14400, IN MX, 300, laserskinsurgery.com.s8b1.psmtp.com.
problemdomain.com., 14400, IN MX, 400, laserskinsurgery.com.s8b2.psmtp.com.
This DNS is exactly the way it was setup before when it was working. Any ideas what could be causing this?
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Dec 4, 2007
Just wondering what's your take with Postini mail filtering services. I was expecting a huge difference but even with the filter sensativity at max threshhold *5*,, 15-30+ spam emails still seem to trickle in. The built in *junk filter* in Outlook always seems to catch the stuff that get's past by the Postini filters.
Just wondering for those using Postini, how do you feel about the accuracy of the spam filtering services.
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Sep 5, 2007
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Apr 7, 2008
I've got a PHP mail system which sends emails with these headers: ....
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Jan 22, 2007
Has anyone done any comparisons between these companies.
I've tried reaching out to each and plan to do follow-ups .
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May 2, 2007
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Amazingly, we have done a forward as well to a gmail account, the gmails junk filters are pretty damm good...it catches the *rest* that Postini does not tag.
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Dec 2, 2007
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Nov 10, 2008
How to dump all relaying email?
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Nov 17, 2006
My VPS Config:
centos with webmin
mail program sendmail
Its a newly configured VPS have a problem with smtp realying through outlook and other smtp programs. When i use smtp on outlook it give following error:
The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was 'xxxxx@yahoo.com'. Subject 'Outlook', Account: 'Testing', Server: 'xxxx.com', Protocol: SMTP, Server Response: '550 5.7.1 <xxxxx@yahoo.com>... Relaying denied. IP name possibly forged [xx.xxx.xx.xxx]', Port: 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79
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Jun 2, 2009
I have a server at The Planet that runs Cent OS with cPanel/WHM. It is using Exim as the mail transport.
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Aug 26, 2007
I have two domains that I recently "re-animated" and they are been used as spam relays. I get almost 2 connections per second, according to the exim log.
I use ConfigServer Security & Firewall http://www.configserver.com/cp/csf.html which can block IP's that exceed a number of SMTP connections per hour. But these are thousands of IPs and proxies. Is there anything else I can do?
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Oct 2, 2007
I can't figure out how to be able to send mails using sendmail. I've a dovecot/sendmail installation and I can recieve mails OK but when I try to send mail I get the error message "Relaying denied. Proper authentication required."
Example from maillog:
Oct 2 18:10:08 localhost sendmail[2196]: l92GA4UC002196: ruleset=check_rcpt, arg1=<xxxxx@gmail.com>, relay=rl-nvt-kaxx.xxxxxx.xxx [000.000.000.000] ....
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Jun 20, 2014
I facing a serious problem with my qmail and plesk 11.0.9.I found the way spammer did with my server by listening everything on port 25. Maybe he know the RCPT hosts of mine, and they send emails with random username but with domain hosted on my Plesk. (user1@mydomain.com, user2@ my domain.com, ... userxxx@mydomain.com).
qmail only check domain in RCPT if spammer input:"mail from user1@mydomain.com" - (with out ":") - no email address on my server.then server reply: 550, no mailbox here by that name. (#5.7.17)
But qmail check username and domain if spammer input:""mail from: user1@mydomain.com" - (with ":") - no email address on my server. Then server reply: 250 OK..This is really weird! I tried with all my plesk server, this bug still effected.Click to expand...
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