Mail Server Host Name In Greeting
Jul 11, 2007
I always have customers complaining not receiving emails from my online store.
While checking with dnsreport, I found the following:
Quote:
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.
mail.shashinki.com claims to be non-existent host mail.shashinki.com:
220-mail.shashinki.com ESMTP Exim 4.66 #1 Thu, 12 Jul 2007 10:51:20 +0800 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.
I have my own dedicated server.
How can I correct the above so that ISP will not treat mails sending from my servers as spam and deleted them without sending to my customers?
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Mar 16, 2007
dnsreport.com showing errors on my domain
warn:
Mail server host name in greeting
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.
mydomain.com claims to be host server.myhost.com [but that host is at xxx.xxx.66.2 (may be cached), not xxx.xxx.66.3]
Code:
; Modified by Web Host Manager
; Zone File for mydomain.com
$TTL 14400
@ 86400 IN SOA ns1.myhost.com. root.server.myhost.com. (
2006081304
7200
7200
1209600
86400
)
mydomain.com. 86400 IN NS ns1.myhost.com.
mydomain.com. 86400 IN NS ns2.myhost.com.
mydomain.com. 14400 IN A xxx.xxx.66.3
localhost.mydomain.com. 14400 IN A 127.0.0.1
mydomain.com. 14400 IN MX 0 mydomain.com.
mail 14400 IN CNAME mydomain.com.
www 14400 IN CNAME mydomain.com.
ftp 14400 IN A xxx.xxx.66.3
mydomain.com. 14400 IN TXT "v=spf1 include:optonline.net ~all"
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Apr 3, 2008
I'd like to look at what my HELO configuration is but don't know how or where to look.
I am using a dedicated Linux/cPanel server. I'd like to make sure the HELO is configured correctly. My mailing software is EXIM.
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May 17, 2008
As good practice is to keep domain registrar to be different from web host. So mail server should be kept of web host or domain registrar?
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Mar 3, 2008
Basically, my client don't like yahoo as their host for their website, but wants to keep their "Yahoo! Business Mail". How can I do this without doing any "forwarding"?
They will be using Dreamhost to host their website.
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Apr 16, 2008
Q: Does one need to have more than one ISP (outside) static IP address to host its own mail and web server?
Or will one static IP with port forwarding to two different machines (one mail and other web server) be good enough?
What would happen if one wants to host two websites on one machine (web server) and have webmail to access emails (presumably via port 80) on another (mail server)?
My only concern is I guess my ASA 5505 won't support more than one assigned static IP or am I wrong?
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Jul 2, 2008
I getting this error when our clients are sending mail from outlook but they are able to send mail from webmail.
we are using exim mail server and whm . i can't understand where is problem , anybody can help me ?
Sending' reported error (0x800CCC6A) : 'Your
outgoing (SMTP) e-mail server has reported an internal error. If you
continue to receive this message, contact your server administrator or
Internet service provider (ISP). The server responded: 451 Please try again
later.
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Feb 13, 2009
After experiencing some issues with my long-time webhost, I decided to sign up with a new host. I did lots of reasearch, read reviews here and elsewhere, asked the hosts presales questions, etc. and finally settled on a particular host.
After signing up, I never received information about my account. I used the online chat, and the owner said that due to spam sent from their server the day before, it had been blocked by Verizon (my ISP) for a few days. So, I could not receive email from them at my Verizon acct. (which I use, instead of one associated with my website, for everything hosting-related).
Then, I found that I couldn't even access their website anymore. It, too, had been blocked by Verizon.
This made me very nervous so I asked for a refund and received it immediately. The owner of the hosting co. was very apologetic.
So, I went to my second-choice host. Once again, the welcome email didn't arrive. So, I asked them - through a support ticket - when it would come. They said it had been sent. I then found they'd sent me a number of emails, none of which had arrived. Very strange, I've never had a problem receiving mail sent to this email address before.
I asked if perhaps their mail server was blocked by Verizon too (told them what happened earlier in the day). They said no way, then came back and said yes, it was. Again, I asked for a refund. But, it's been 15 hours and I haven't had a reply to that.
I am now looking for yet another host - and would sure like to find one that's clear of this issue.
I've been developing websites since 1999 and have worked with a number of hosts, but this is the first time I've found this problem - and twice in the same day!
After all that, my question is:
Is there some way for me to tell in advance whether a particular server is blocked by my ISP?
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Feb 20, 2009
I'm moving a site to a new host. So far everything went well: site moved, database restored, domain transferred.. but now I'm facing the fact "how to move the email account in a way the users can keep all their mails and contacts?"
At this moment, the mail account is still with NetFirms and they use NetFirms Webmail. The new host is using Squirrel Mail, Webmail or RoundCube (the user can select either one of these).
Do i need to backup, move and restore all the mails accounts? Or do the users need to backup all their mails (let's say with Outlook Express)? Or is there another way to do this?
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Feb 14, 2009
I send out almost 50 emails a day from a PHP program on my web site.
My web host wrote an email complaining to me.
Should I:
a) take their advice (and if so, do I need an SMTP server and how do I get one set up?)
b) change web hosts?
Here is the email from them:
Hi there,
Thank you for contacting us.
Please note that the script is being abused via a web browser to send out
mail. Please refrain to use the PHP mail() function as it is deprecated and
vulnerable to abuse.
We could possibly suggest that you take a look at using SwiftMailer which is well
documented and supported.
We have commented out all of the mail() function calls on your site.
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Oct 29, 2008
I bought a shared hosting account, specifically for my own personal email account. I wanted to use IMAP obviously, but the host only allow IMAP on incoming mail... And Pop3 on outgoing.
Is this a problem? What will this mean I cannot do?
And secondly, if anyone has a blackberry, will this style work with a new blackberry?
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Jun 3, 2007
a Control Panel for OS X 10.4 (non server)?
Current setup:
OS X 10.4.9
Postfix
Apache 1.3.33 (Darwin)
Is there a better setup? I have an extra (older) mac machine that I could play with. I would prefer free software recommendations.
I still consider myself a newbie at this even though I've been hosting my own business and personal sites for a few years now. I am now looking into maybe providing services in the near future to the public. My goal is to manage the entire service from equipment to customer service.
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