Filtering Mail For Externally Hosted Domains
Jul 19, 2007
I have a VPS with cPanel/WHM where I am also running the MailScanner package as an anti-virus/anti-spam solution.
I would like to extend this service to clients who are satisfied with their web and email hosting but not with their spam control solution. That is, I would like MailScanner to process their email before it reaches their server. I believe this can be done by changing the MX records of the external domains to point to the mail server on my VPS.
The problem is, I don't know if I should put host.myhostname.com (my VPS hostname) or my IP address in their MX records. Also, to make MailScanner process their emails, I need to add their domains to my MailScanner configuration at etc/localdomains, but I assume that also means I have to create a mail-only account for the domain in WHM?
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Oct 3, 2007
Can anyone recommend a hosted third-party spam filtering service for cPanel servers?
Most of the servers are reseller based, and I don't see myself or my team having to enter each individual email address into the service.
With that said, is there any service where you can just point the MX records to it, it would scan the email, and then deliver it?
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Oct 21, 2009
I'm doing a bit of research JFMI and I was wondeering if anyone had an idea as to what is the total number of domains that are hosted in the world. If the total number of domains registered is now 183 million +, what percentage of those domains are actually hosted?.
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Apr 16, 2008
I can't resolve hosted domains on ssh or via php on my server. All of other domains fine when i dig or ping but mine is not.
I did run fix scripts for dns and restarted named but result is still same.
Also, when i try to reach one of my domains via php's fsockopen function, i get "65 No route to host" or "68 Too many users" error.
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Sep 28, 2009
I just did a reverse IP lookup for my newly purchased dedicated server and found out that the domain hosts two other domains, not owned by me.
By the way, I'm yet to updated the DNS address to point to my new dedicated server.
Is this normal or I need some more clarifications from my web host?
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Jun 4, 2008
I have a cpanel server and currently only have about 20 domain hosted, not bandwidth heavy. My dedi is Core2Duo E6550 with 8gb ram. How many domains i can host if all of my clients? How many is too many? I don't like to oversell just to get extra money?
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Jul 14, 2007
i have a vps and although i can send mails without problem from my main root account, sending via any of the child accounts created for customers results in their email being picked up as spam (in hotmail at least).
To clarify, mydomain.com is my main name. Email can send without problem,
customersdomain.com, hosted on the same machine, when sending emails they are picked up as spam. The mx dns entries in the zone file are set (by default to) customersdomain.com. and for all the child domains customer1domain.com. etc.
Do i need to ask the datacenter to add a reverse dns entry for mail.mydomain.com?
Is this an issue with the mx records for the hosted domains? Should i change the hosted domaims mx entry on the customers domains to mail.mydomain.com?
I know the ip isnt blacklisted because exactly the same email goes through when sending from the mydomain.com email addresses.
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Sep 30, 2013
My Plesk panel (11.5.30) hosts a number of domains that all use Google Apps for Business to host their emails. No emails are hosted on the panel, and the mail server is turned off. So is the DNS server.
Using the mail() php function to send automatic confirmation emails from a website hosted on the panel, they arrive at any address NOT hosted locally, however they fail to arrive at any address whose website is locally hosted.
My initial research suggested that Plesk was routing locally, hence the problem, however the mailserver has been turned off the for domain/webspace.
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Jul 1, 2008
IIS 7.0 - I host several websites. On one of them, the email is hosted externally and not through my exchange server. I have added an MX record to point to the mail server for this domain, but I still get an error when I attempt to send an email from within my local area network. There are no problems with emails generated outside my network, but for emails generated to this domain from within my network, I get the following error:
The e-mail account does not exist at the organization this message was sent to. Check the e-mail address, or contact the recipient directly to find out the correct address.
<mail.<mydomain>.com #5.1.1>
Incidentally, the <mydomain> value does not match the domain for this email domain.
Instead it is the primary domain that I host.
I know that this must be a DNS issue, but I'm not sure how to correct.
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May 20, 2014
We want to configure our PPA mail node to send all outbound mail through our spam filtering appliance but don't know where to start.
Reading standard Postfix docs give basic instructions on how to direct a handful of domains through a mail relay but we want to direct every outbound email from all domains through our spam filter.
We also want to ensure that any regular updates to the mail node won't break or undo this config.
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May 23, 2007
Why I am getting this even when mail server is hosted with Google? Need help
WARNING: One or more of your mailservers is claiming to be a host other than what it really is (the SMTP greeting should be a 3-digit code, followed by a space or a dash, then the host name). If your mailserver sends out E-mail using this domain in its EHLO or HELO, your E-mail might get blocked by anti-spam software. This is also a technical violation of RFC821 4.3 (and RFC2821 4.3.1). Note that the hostname given in the SMTP greeting should have an A record pointing back to the same server. Note that this one test may use a cached DNS record.
ASPMX3.GOOGLEMAIL.com claims to be non-existent host mx.google.com:
220 mx.google.com ESMTP f57si1559242pyh
ASPMX5.GOOGLEMAIL.com claims to be non-existent host mx.google.com:
220 mx.google.com ESMTP i19si1284280wxd
ASPMX.L.GOOGLE.com claims to be non-existent host mx.google.com:
220 mx.google.com ESMTP d22si873775and
ALT2.ASPMX.L.GOOGLE.com claims to be non-existent host mx.google.com:
220 mx.google.com ESMTP 44si734714wri
ALT1.ASPMX.L.GOOGLE.com claims to be non-existent host mx.google.com:
220 mx.google.com ESMTP f13si1305533qba
ASPMX4.GOOGLEMAIL.com claims to be non-existent host mx.google.com:
220 mx.google.com ESMTP 54si3483902ugp
ASPMX2.GOOGLEMAIL.com claims to be non-existent host mx.google.com:
220 mx.google.com ESMTP i5si2257768mue
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Jun 18, 2007
I signed up for a 1 month trial of Matt's hosted service for form mail as I was in a hurry to get a client's web site form going (the site was migrated from Windows Server, where it used an asp script).
The features look good, but I was hoping someone has experience using it and can share some insights.
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