General :: Prevent Postfix From 'retrying' Emails To Yahoo - Mail Servers?
Jun 12, 2011
I have a problem with my VPS not being able to send any emails to Yahoo! addresses. Each time someone with a mail account tries to send something to a Yahoo! address, the email stays stuck in the mail queue and a 'delayed mail (still trying)' message is sent back to the user. I understand that Yahoo! has a tendency to block mail servers on a whim, but what I'd like to know is, how can I prevent Postfix from specifically retrying to send emails to Yahoo! mail servers? I don't want to stop retries to other mail servers.
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Jan 1, 2010
i'm using fedora 12 and i wanna send mail using command $mail actually i tried to send mail to my gmail , yahoo ,and hotmail emails but i didn't receive the mail so i expect that i should have some configuration on my host before sending mai
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Jan 29, 2010
I just configured my first postfix mail server today. Everything is working correctly except for the fact that on all outgoing emails instead of the mail format being user@mydomain.biz it says user@hostnameofpostfixserver. I've looked everywhere I can think and I cant see where I'm substituting the host-name of the server for the domain name of my email. Where else could it be?Below is my main.cf. I am running ubuntu 9.10.# See /usr/share/postfix/main.cf.dist for a commented, more complete version# Debian specific: Specifying a file name will cause the first# line of that file to be used as the name. The Debian default
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Aug 13, 2010
I have a server with a domain running and im trying to resolve the mail server but i can't see where to start. I use OpenSuse 11.2. Basically, for starting, i want postfix to send incoming emails to a php script or perl. for outgoing emails i guess that i could use php mail function and i will see what else to have. I configured the dns. I do a dig.mydomain.tld MX and i get the following:
mydomain.tld3600INMX0 mail.mydomain.tld
mail.mydomain.tld 3600INAmyNumericalIp
So now my system is receiving MX content but i dont know what to do.
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Jan 18, 2010
I have a static IP from local ISP and my computer is configured with 192.168.1.2 (LAN IP).
I have installed ubuntu server 9.04 and want to send emails from my server for which I've configured postfix. But I dont know what to do next.
My questions are:
1. Do i need to install DNS server for using postfix? If not, what should I install to send emails from this server?
2. Do I need to forward any particular port in my router?
3. If I dont have a fully qualified domain, what are the configurations I need to do to send emails?
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Aug 6, 2010
Two exchange servers internally. One is setup for example.com (192.168.1.10) and the other is setup for example2.com (192.168.1.20) Both are behind a single public IP.
I want to use postfix to sit in front of the two exchange servers. Postfix will accept mail for both domains and relay to the appropriate server. I have postfix installed with only defaults at this point.
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Jul 20, 2010
We have a number of servers at work, some production and some non-production. We run some java applications on these servers. At present these java applications send emails via an SMTP connection to our live email servers.
In production all is well, the java apps send emails to customers. However, in the non-production environments all emails must not be sent out. Instead they must end up in some kind of generic inbox.
We don't want to mess with the production setup at all and it isn't an option to lose the non-prod emails altogether. So on non-prod we can reference another SMTP server and send all emails there. So far I've set up a postfix, dovecot, squirrelmail email server which appears to work.
how do I config my new email server so that any emails sent from our non-prod server to fred@hotmail.com, bill@yahoo.com, jenny@gmail.com etc all end up in one inbox?
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Sep 30, 2010
Sign emails with OpenDkim + Postfix + Ubuntu 10.04 64x. How-to implement a domain key signature using Postfix Ubuntu based email server. Implementing a domain key will help your outgoing email not being marked as SPAM by the receiving servers that implement DKIM signatures verification., i.e. Yahoo, Gmail, etc.
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Sep 13, 2010
I have s smtp configured server , the problem i am facing is that i am not able to sent emails to some domains for instance yahoo.com or ymail.com rest all domains the email goes through
[Code]...
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Jun 30, 2011
I set up my mail server using the guide here: [URL] I am able to receive mail, I can send mail locally, but I can't send to external addresses. This is in my mail.log: Quote: Jun 30 14:40:43 Server postfix/smtp[10725]: 2FD9322015BF: to=<myemail@gmail.com>, relay=none, delay=1634, delays=1484/0.02/150/0, dsn=4.4.1, status=deferred (connect to alt4.gmail-smtp-in.l.google.com[74.125.65.27]:25: Connection timed out)
This is my main.cf:
[Code]...
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Dec 2, 2010
I've been banging my head against the screen on this strange problem. Somehow my server sends out spam mails to a lot of aol mail addressess. The mail.log file looks like:
Code:
Dec 2 16:10:55 Ubuntu-904-jaunty-64-minimal postfix/qmgr[7685]: E95C2B48DB4: from=<HappyShopping@somedomain.nl>, size=1912, nrcpt=1 (queue active)
Dec 2 16:10:55 Ubuntu-904-jaunty-64-minimal postfix/qmgr[7685]: 5D4E0B48DB5: from=<HappyShopping@somedomain.nl>, size=1904, nrcpt=1 (queue active)
Dec 2 16:10:55 Ubuntu-904-jaunty-64-minimal postfix/qmgr[7685]: 8F540B48D04: from=<NewYearSale@somedomain.nl>, size=1894, nrcpt=1 (queue active)
[Code]...
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Jan 12, 2011
The scenario: We have an external server that runs HTTP/DB servers for out shop system. Then, there's our local, in-house infrastructure that runs a.. yeah... Exchange 2010. The shop system on the external server needs to send mails to customers (order confirmations, invoices, etc.). seing as sending them directly through the local MTA (Postfix) would cause mail delivery problems because of reverse DNS issues, i've set the Postfix MTA to act as a satellite to our in-house Exchange Server, so the Exchange sends the mail instead, giving recipient mail servers a valid reverse DNS lookup.
Now, mails sent by the (proprietary, uneditable) shop system are relayed correctly and sent to the target e-mail address. My problem is: Mails not sent by the shop system, but by our own PHP scripts which run on that same external servers, are NOT relayed properly. So the Exchange is fine with the mails sent by the shop system, but not the mails sent by our scripts. This is what i get in the mail.log: The successfully relayed mail sent by the shop system:
[Code]....
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Dec 2, 2010
I've been looking for a way to filter out emails on my postfix server by GeoIP data. I couldn't find anything that fitted the bill so wrote my own in Python as a postfix policy. Thought I'd post it here to see if it's of any use to anyone else. I've attached a tar of the files as the Python formatting will get mucked up by the forum code. Comments/improvements are welcome (be kind ) First file is : policyd-geoip which is owned by root:root and placed in /usr/bin with 755 perms
[Code]...
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Jan 29, 2011
I'm a NOOB setting up Postfix but managed quite well by following the Ubuntu Server guide. I have managed to set it up using SSL but testing a mail client like thunderbird I can also connect to port 25 using no authentication. Connecting using SSL on port 465 by editing "master.cf" file works but 25 i still open.
1. How do I prevent clients to connect to port 25 without authentication?
2. I guess I have to have port 25 open in order to receive mail from the outside world?
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Jan 12, 2011
It is the strangest thing. I can not receive emails on this server after it has been up for an hour. I noticed that everytime and email is received that a sshd opens but never closes. Causeing a memory issue that I dont know how to fix. Also the mailq grows and grows. Mostly with email stating the recipient and send are both [URL].. also postmaster@mail.jmchd.com shows mail system configuration error. I have to restart the server every 30 minutes so users can get and send emails. This is horrible because for every 5 minutes out of the hour emails are bouncing.i have looked through them but I know not what I am looking at.
PS. I was thrown into the position and have limited knowledge. I am used to a GUI.
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Nov 3, 2010
I have a problem relate to posttfix.I want to mirgare postfix mail server to exchange 2010 mail server but I can't do it,u can help me.You can show me have to do configure postfix and exchange how to?
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Dec 18, 2010
I am trying to install a mail server (postfix). I followed the instructions (up until SMTP, I do not want that) on ubuntu pages, without any result. I can send mail, but I can't get any.
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Apr 28, 2011
I've installed Postfix MTA in Xubuntu. Where are all the emails stored in my Postfix server?
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Dec 29, 2010
I am trying to find a way to tell postfix to forward all emails from
dbsupport@thisdomain.com
and
helpdesk@thisdomain.com
to
be sent to admins@thatdomain.com, but it is not working. I am trying transport maps. The content of my transport file is:
Quote:
helpdesk@thisdomain.com smtp:admins@thatdomain.com
Quote:
dbsupport@thisdomain.com smtp:admins@thatdomain.com
Both [URL] and [URL] are on box1 as an alias in the /etc/alias file like this:
root: helpdesk@thisdomain.com
root: dbsupport@thisdomain.com
how to get this working?
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Apr 29, 2011
My issue is that i'm trying to send emails with postfix and gmail as the mail relay,i'm trying to send emails to my self by sendmail -bv user@gmail.com
In the logs, i can understand that it been delivered to the destination,
taken from: /var/log/mail.log:
Apr 30 00:05:23 moni postfix/pickup[10490]: 9C7552170C: uid=0 from=<root>
Apr 30 00:05:23 moni postfix/cleanup[10495]: 9C7552170C: message-id=<20110429210523.9C7552170C@moni.localdomain>
Apr 30 00:05:23 moni postfix/qmgr[10491]: 9C7552170C: from=<root@moni.localdomain>, size=283, nrcpt=1 (queue active)
code....
When login in my gmail account i can't see nothing under the sent / inbox / spam folder.
it's seems like the mail are been sent.. but nothing is happening.
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Mar 15, 2010
I use Ubuntu Server 9.10 64bit
at first, sendmail was installed and everything was working great. all the email sent from forum and webform I host as been sent correctly in the reception box of the recipient. But I want postfix as MTA to do my delivery to all my virtual domain I host.
when sendmail is uninstalled and postfix installed and all services configured(php included) and restarted(apache included), when I send a email from command line or from web form, the email goes in junk mail for some ISP email address and for gmail and the email did'nt show at all for hotmail. but email sent from forum (phpbb) still goes in reception box like normal email do.
I tried do change the headers, who was working with sendmail, of the email sent from web form without success.
so I tried to uninstall postfix and reinstall sendmail, restarted all service and every thing was back to normal... email sent goes in reception box.
I tried it twice.... sendmail, postfix, sendmail, postfix and now back to sendmail for a working solution until I get postfix working.
I tried with spf entry in my dns, I tried allowed icmp packet from outside with iptables, I tried many different headers for my email. My ip is not blacklisted anywhere.
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May 3, 2010
I installed and configured postfix per the guide on help.ubuntu.com. Everything seems to work fine with smtp and it says that my emails are being sent, but I never receive them.What could be causing this problem?The local mailbox shows that the email was sent.Mail.log shows that the message was delivered to the mailbox.
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Mar 29, 2011
Running Postfix 2.6.1 on Slackware 13.0.I noticed that if I send an email with a large attachment(namely more than 500 KB) from another computer using this postfix server as an smtp server, it takes up to an hour to send it.It's almost like postfix is configured to send large emails later with a lower priority.The client computer and postfix server are within a GIGABIT LAN so upload 500 KB isn't an issue.
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Apr 27, 2010
I tried searching the posts and have come up empty handed. I need to find an email I sent to myself (actually a forward of several other emails) that did not get delivered. Otherwise I need the original emails themselves. I have been using pop with dovecot on my ubuntu server Jaunty machine. I searched the mail logs and found that the reason the message might not have been delivered could be because my permissions were not set to administrator for that user. I changed the permissions and still nothing came back.
I deleted the client mail account on the machine I used that had the messages but I was hoping they might still be somewhere on the server. Any ideas?
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Feb 15, 2010
i want to send mail from unix mail command to my yahoo-id with attachment, but i want to receive it as attachment.
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Mar 8, 2011
I'm a bit lost with the PHP/Sendmail configuration, maybe somebody could help me getting back on the right track. Following situation:
Postfix:
* accepts smtp on port 25 but from his own domains. Some policy and spamchecks through amavisd are made.
* accepts submission on port 587 and 465 from authenticated users only. Quota and spamchecks prevent outgoing spam.
So I'm enforcing a very strong outgoing spam-policy but the users are still able to use the php mail() function to send spam through the /usr/sbin/sendmail command.
My users have access to their own php.ini so my idea was to somehow enforce the delivery through the local postfix on port 587 or 465 and just let them enter their user/pass in their php.ini. (I suppose, their might be a cleaner-solution ).
Unfortunately, my configurations like smtp_host, port, user etc. are getting ignored if the sendmail_path line is active. But if I comment this line out, php just uses the default, which is the same as configured in the sendmail_path line - so it's active whether i use the line or not (setting it to an invalid command breaks the mail() function completely).
how can I enforce my anti-spam policy on the php mail() command?For my ssh users I just blocked the outgoing connection to localhost on port 25 which seems to work so far, but somehow the postfix-sendmail-wrapper just ignores this.
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Apr 23, 2010
I am trying to make my elastix voip server to send and receive e-mails. It has built in Postfix mail server, and i tried to configure it.I am not sure about some parameters, such as domain and hostname.Either way, i will attach my config file and the errors that i get from log and mail queue as i get them from webmin.
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Jul 1, 2010
I set up my Postfix/Dovecot Sasl implementation according to the Server Docs. Now it worked both for SSL POP3 and sending via SSL SMTP. But recently it simply stopped accepting my mail, I can't send out.
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Jan 21, 2011
I'm on Ubuntu 10.04 and using Postfix 2.7 with Dovecot's SASL. The issue is when sending e-mail it takes a bit of time to send. LIke for it to get connected it takes around 15.20 seconds. How can I reduce this delay so it can be sent faster?
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Feb 9, 2011
I have spent the last 24 hours searching the internet for an issue to resolve my problem. I have tried the verious solutions posted by people and followed endless amounts of tutorials
In the end i followed [URL] line by line
This allowed me to recieve email fine, but only send email locally.
I either get a "Relay access denied" message, or as of last night is is now "Recipient Address Rejected"
Below is a link to my Main.cf file
[URL]
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