Yahoo Is Blocking Hundreds Of Our Legitimate Emails
Sep 9, 2008
We are a small ISP with about 5000 users. Only a very small percentage of our users can send email to Yahoo, and even that is sporadic.
Hundreds of our users' legitimate emails are rejected daily with the following message:
421 Message from (208.66.56.9) temporarily deferred - 4.16.50. Please refer to help.yahoo.com/help/us/mail/defer/defer-06.html
I have filled out "Yahoo! Mail Delivery Issues Form" a few times. I get the following automated response message:
--------------------------------------------------------------------
Hello,
This is an automated message regarding your recent request for Yahoo!
Mail Customer Care support. We have received your message and willYa
respond within the next 48 hours with an answer.
Thank you for reaching out to us. We look forward to helping you!
Sincerely,
Yahoo! Customer Care
**Please do not respond to this message as no one will receive it.
--------------------------------------------------------------------------
But I never received a response from Yahoo and they continue rejecting our users' legitimate emails.
After reading many forums and blogs, it appears that they are doing the same thing to many other small ISPs and companies with their own email servers.
This practice can interrupt many legitimate business communications and hurts many small businesses.
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Apr 20, 2009
We are only a small construction business in NEW Zealand, and send very few emails. But from the 4th April, Yahooo has started blocking all emails from our domain name?
We hve not done bulk newsletters, we have not had bulk reject messages. Our website/ email host is Clevernet.
YAhoo NZ have sent us a bulk email form, which Clevernet submitted. We then had to get another approved server form filled out by Cleverney which they did last Friday, but our email domain is still blocked.
Xtra/ Yahoo NZ< seem to think there is nothing they can do, but wait and see if Yahoo unblock it. There does not seem to be anyone who we can contact at the Yahoo server. NZ say they cant contact anyone at Yahoo. We seem to be stuck between a rock and a hard place.
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Apr 13, 2015
Every time my server tries to send mail to Gmails/yahoos - they reject it with the following message:
Code:
Apr 13 11:35:49 m1370 plesk sendmail[5009]: handlers_stderr: PASS
Apr 13 11:35:49 m1370 plesk sendmail[5009]: PASS during call 'limit-out' handler
Apr 13 11:35:49 m1370 plesk sendmail[5009]: handlers_stderr: SKIP
Apr 13 11:35:49 m1370 plesk sendmail[5009]: SKIP during call 'check-quota' handl er
Apr 13 11:35:49 m1370 postfix/pickup[1759]: C90FA61668: uid=48 from=<apache>
[Code] ....
I tried Qmail, same issue
Code:
Hi. This is the qmail-send program at m1370.contabo.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. It didn't work out.
<emailhere@gmail.com>:
2a00:1450:4013:0c00:0000:0000:0000:001b failed after I sent the message.
[Code] .....
Centos 6.6 + Plesk 12 Web Pro Edition
My server certainly did not spam Gmail servers, (my old server works fine sending email t gmail) I fear this has something to do with my "Postfix" configuration.
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Nov 28, 2008
I have 2 server one is Linux server+Cpanel+CSF firewall where my site is running and one is windows server where my exchange mail server is running .Now thing is that when anyone send mail through my web site (after filling contact form) to me it doesn't come to my email id but when i stop my firewall and then i check contact form and fill it the mail goes to my mail id.
I have php script with SMTP authentication.
which port is blocked in my firewall and after disabling firewall it work.how can i check when firewall is on that time why mails are not coming in my email id that time which port is blocked by firewall.
Allow Port in firewall:-- 25,80,20,21,465,443,110,143
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Sep 18, 2006
Some of my emails send to the clients who are using Yahoo's email is stored in their " Bulk " folder, so Yahoo is considering my email as spamer althought i'm not. So do you know how can i fix it ? Do i need to contat Yahoo about this matter ?
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May 14, 2007
I have noticed that Yahoo is refusing emails coming from the IP of my server. I have written them and I got this email, has this happened to you too? Any recommendations? ...
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Apr 7, 2008
Like so many others I am having the problem in which Hotmail and Yahoo are rejecting emails being sent from my server. I recently changed servers and this is most likely the reason.
While Hotmail hasn't been fixed, they have responded swiftly, usually within 6 hours.
I need to contact Yahoo about it but I can't find any information or forms to fill out. Could you please direct me to the correct URL - their site is a complete maze.
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Sep 22, 2007
I was wondering if some of you more seasoned techie's can help me. I have a reseller hosting account and one of my clients is having issues with getting any email that is sent from any yahoo email account to her domain email. I have personally tried to send an email from my yahoo account to her domain email and here is the error I got back. None of my other clients has the issue. This is a new account by the way.
***********************************************************
Hi. This is the qmail-send program at yahoo.com.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.
<andrea@jazzinaroundfarm.com>:
Sorry, I wasn't able to establish an SMTP connection. (#4.4.1)
I'm not going to try again; this message has been in the queue too long.
--- Below this line is a copy of the message.
Return-Path: <helpahorse24053@yahoo.com>
Received: (qmail 41845 invoked by uid 60001); 19 Sep 2007 21:20:30 -0000
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
s=s1024; d=yahoo.com;
h=X-YMail-OSG:Receivedate:Fromubject:To:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-ID;
b=iHu3WMU1gy5851VB+uyII7S0C2aOM3g6TEYnsWmtIWTwFLEJAI67A28e6mchNTTyfX3ioPZ9rl9TmA3l8J0YDPCDWWZcGMKqhVFco6nIHkaCVpF6ALXJ7q41VxHsn+nYFnb5UUpgVZ7lk+RDIyjv 70wiO+xmqzEXO/OAzEXvi0E=;
X-YMail-OSG: smDGXoAVM1lr_heTahTlEwmcKX4NEdCpvRAoON1.hOTrI6lWRVaNB0vUqOXD7pOWmadYN8I4vlXjvYS2W2xVQsH0rw--
Received: from [71.51.18.67] by web35804.mail.mud.yahoo.com via HTTP; Wed, 19 Sep 2007 14:20:30 PDT
Date: Wed, 19 Sep 2007 14:20:30 -0700 (PDT)
From: betty haynes <helpahorse24053@yahoo.com>
Subject: testing to see if this comes through...this is Betty
To: andrea@jazzinaroundfarm.com
MIME-Version: 1.0
Content-Type: multipart/alternative; boundary="0-1780532074-1190236830=:41745"
Content-Transfer-Encoding: 8bit
Message-ID: <315189.41745.qm@web35804.mail.mud.yahoo.com>
--0-1780532074-1190236830=:41745
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: 8bit
Just seeing if this comes through via my yahoo addy.
4-the-luv-of-a-critter
Please check out our new animal placement web site. It is a free service for anyone who is looking to place their pets in a new home.We list any animal regardless of species, breed, age etc .Our service is also used for those looking for that new pet. For more information please see our web site at [url]
Low Cost Web Design & Hosting [url]
My animals are the reason I live and breathe. With out them in my life I would just as soon be dead !---Betty Haynes
--0-1780532074-1190236830=:41745
Content-Type: text/html; charset=iso-8859-1
Content-Transfer-Encoding: 8bit
Just seeing if this comes through via my yahoo addy.<BR><BR><FONT color=#a040ff> <DIV>4-the-luv-of-a-critter <BR>Please check out our new animal placement web site. It is a free service for anyone who is looking to place their pets in a new home.We list any animal regardless of species, breed, age etc .Our service is also used for those looking for that new pet. For more information please see our web site at <A href="http://www.4-the-luv-of-a-critter.com/">[url]</A> </DIV> <DIV> </DIV> <DIV>Low Cost Web Design & Hosting <A href="[url]">[url]</A> </DIV> <DIV> </DIV> <DIV>My animals are the reason I live and breathe. With out them in my life I would just as soon be dead !---Betty Haynes</DIV> <DIV> </DIV> <DIV> </DIV></FONT>
--0-1780532074-1190236830=:41745--
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Mar 4, 2008
how to block a certain IP address from sending emails
im getting emails sent from a certain IP address repeatedly spamming and sending unsolicited emails
i cant block the email address because its changing everyday however the IP which is sending it seems
fixed and i want to know how i can deny any emails being sent from that mailserver ip to be nulled or block
im using Cpanel / WHM and Running Centos linux
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Mar 30, 2008
I have a dedicate server and got a problem with receiving and sending email with Yahoo email accounts. I checked with gmail and other one and it works fine except Yahoo. It does not delivery when I sent out to Yahoo accounts. However, I can get email from Yahoo when they send back to me but a little bit delay.
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Jan 30, 2007
It seems that all of the emails sent from clientexec to the major carriers (gmail, yahoo, msn etc.,) are being either blocked completely or marked as spam (msn).
When I send an email from outlook from the same domain client exec is on the email goes through fine.
I have added an SPF Record and my domain is not "blacklisted" for spam anywhere.
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Jul 16, 2007
I'm trying to figure out a method to stop some of the email spam that we get, and I have something figured out, but I need help on implementing it.
Basically, we get a lot of spam emails from addresses claiming to be from our domain (EX: From: someguy@mysite.com). The email is actually not from our domain, nor does the address actually exist, but the From address is being forged to look like it is our domain.
Basically to fix this, i want to block all email where the From address is claiming to be from our domain, with a nonexistent email address. I'm pretty sure that this is configurable in Exim, but I haven't found any tutorial on it, and I'm not familiar enough with Exim to do it very easily. Anyway if anyone knows of a tutorial or how this could be accomplished, please let me know.
Just to Add:
The reason that these emails are a problem is that the spam software we are running recognizes these emails as being from our domain which it trusts, so they pass most spam filters.
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Sep 9, 2008
how to go about moving old mails and forwarding new ones from my yahoo mail, without the yahoomail plus option.
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Jun 5, 2008
i own a dedicated server with cpanel. i have SPF record in my domain and still emails sent from outlook are placed in spam folder by yahoo? how to fix this problem?
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Aug 12, 2008
i site me place on Active members from email .
but not send emails to yahoo server in inbox all emails send to spam or ever not send !
but for google no problem
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Mar 8, 2009
My client would like to go for a real hosting company. However, he has some concerns about his archived emails. He want to move all those email to the host.
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Mar 11, 2009
I cannot figure this out.. I have tried EVERYTHING..
I am running a php script using the mail() function and sending an email..
I have had reverse dns point to the domain
I set an SPF record
My IP is not blacklisted.. I have had the dedicated server for 2 years now also
I modified a few things in the sendmail files.. I am stuck..
I am running freeBSD.. My buddy has his server set up with all of the same sendmail settings being the same.. and his emails don't get flagged..
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Apr 14, 2015
All my Mxtools are ok... No problem with it ... Not in blacklist ...
Spoiler: Spam List
Test Result
SMTP Banner Check OK - 151.80.148.113 resolves to ns1.elattal.com
SMTP Reverse DNS Mismatch OK - Reverse DNS matches SMTP Banner
SMTP TLS OK - Supports TLS.
SMTP Connection Time 0.967 seconds - Good on Connection time
SMTP Open Relay OK - Not an open relay.
[Code] ....
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Aug 7, 2008
I've got a small personal site where I put my music & photography.
Lately, my .mp3s started getting a lot of traffic from [url].
I don't read Chinese.
Anyone know if it's a legitimate site?
(whatever that means).
I recently reorganized my site, putting the tunes in their own directory (off of public_html), and now 202.108.23.172 generates a boatload of 404 errors.
If I decide that I want to block a URL, where might I read a good tutorial on doing so?
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Jan 30, 2008
Scenario:
Client has a nice website with a "contact us" online form. The form itself is secure (no injection attacks etc) and simply collects some data from the site-user, and emails that data to the site owners email address.
This email is sent using php "FROM" the siteusers email address (eg: random@gmail.com etc), so that when it arrives with the site owner, they can simply hit reply etc.
However - the site owners email is protected by "FrontBridge" (aka Microsoft), and suddenly they stop receiving such form-mail.
Response from FrontBridge is
"If the IP that is sending these emails does not have the domain names that it is sending on behalf of registered to it, it can not send to our domain as it will be picked up and flagged as spam. " They then indicate that too much of this so called "spam" will result in a blacklisting - which is what seems to have now happenned.
Pretty unfair I'd have thought, and probably how MOST web based form2email scripts are setup.
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Apr 4, 2009
my main client wants to rehash his database. Now this is a 1.5m strong list. All legitimately collected with time/IP stamp, privacy policy, etc. These clients are from the online gambling industry (legally licensed).
The problem is many of these users subscribed to our services up to 4 years ago (not all are that old, but some are), and they haven't heard from us for up to 2 years (again, some heard from us more recently).
Anyway, I've never deal with that number of emails and potential bounces. Obviously, the first round of emailing will have a large number of bounces, but that will quickly subside.
So, can you guys point me to a quality dedicated server, with at least 4 IPs (hopefully 10) and that can handle this type of activy? I'll be glad to sign up under an affiliate link if I can get a good answer.
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Jul 22, 2009
for a router than can handle a couple hundred BGP peers, but will not necessarily be pushing a lot of traffic. The router should be able to handle 200-400 BGP peers, but will only need to push around 2-3 Gbit/sec.
What would anyone recommend for this specific configuration?
I am willing to spend whatever is needed, though I also don't want to just be throwing more money at it than I need to to get the job done effectively.
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Mar 10, 2007
I have hundreds and hundreds of messages in mail queue waiting delivering. Log file says:
connect to remote.host[000.000.000.000]: server refused to talk to me: 421 4.7.0 remote.host Error: too many connections from my-servers-ip
delivery temporarily suspended: connect to remote.host[000.000.000.000]: Connection timed out
(I replaced real IP addresses with 000, my-servers-ip and hostname with "remote host")
It happends only with one host (the most popular free email provider in my country). All emails to yahoo, gmail etc are being delivered without any problems.
What does it mean - too many connections from my server? I have a busy dating website and php script sends out a lot of email notifications (for example - when users get new instant messages). Anyway, I never heard that email providers limit the number of emails from the same server. During the night time all messages from mail queue are being delivered, but at day time this number sometimes grows to 1000.
I have Postfix installed.
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Jun 4, 2009
How would I go about implimenting this:
I have 1 main domain, I have hundreds of subdomains, and want to host the subdomains across multiple servers with cPanel. What's the best option for executing this?
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Mar 10, 2008
RedHat Box running Sendmail 8.13.1, php 4.4.7, only 1 domain on it running the most recent vBulletin version and vBulletin has been successfully setup to run mail through GMail. The files in the domain directory have been cleaned up, ie. old unused files, etc.
Every night running into the same issue. Server goes on VERY high load due to sendmail. With hundreds of following processes:
apache 29425 0.0 0.0 6712 2576 ? D 19:31 0:00 /usr/sbin/sendmail -t -i
apache 29426 0.1 0.0 6688 2500 ? D 19:31 0:00 /usr/sbin/sendmail -t -i
apache 29427 0.2 0.0 7080 2572 ? D 19:31 0:00 /usr/sbin/sendmail -t -i
I also have hundreds of files left in /var/spool/clientmqueue
I am a little confused, is the clientmqueue directory mail coming into the server or mail that is leaving the server?
If it is incoming mail to the server, is there a way to stop or minimize it's effects?
If it is outgoing mail, is there a way I can chase it's origin?
I would shut down sendmail, but there is 1 email address on the domain that receives mail.
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Nov 13, 2008
I went through my error_log and access_log and found out something really peculiar.
I kept getting multiple requests/second for a document that is non existent from different IPs.
From the way I see it, it is a mild DDOS.
access_log
221.208.181.38 - - [13/Nov/2008:03:11:00 -0500] "GET /testtxt.txt HTTP/1.1" 404 2088
218.26.203.79 - - [13/Nov/2008:03:11:00 -0500] "GET /testtxt.txt HTTP/1.1" 404 2088
76.172.156.49 - - [13/Nov/2008:03:11:00 -0500] "GET /testtxt.txt HTTP/1.1" 404 2088 ....
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