General :: Send Email Using Postfix
Jul 24, 2010
Currently i'm figuring out how to send email notifications to users when services went down in Nagios. I know i need to install and configure Postfix, which i did already. I assume that when i configured to point it to "Satellite mail system" is the correct one instead of other things like "Internet.." etc. So the configurations is when you have installed the Postfix and there would pop a lot of questions right? Other than that, what have i missed?
Oh ya, i remember something. Hmm. I do not have any so-called real smtp server so would that be alright? I heard that installed and getting the Postfix running would be enough as it serves as a MTA (mail transfer agent). So if i do not have any smtp server, the relay host= ' ' what should i put it as?
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Dec 11, 2010
I've just setup a new Ubuntu 10.04 LTS server on linode for myself. Followed an excellent instruction at: here to finish the installation of some basic stuff including postfix.
I am trying to figure out a way to send an email to my gmail address with an attachment, but cannot find how. Already confirmed that email can reach my gmail account.
In the end I have to use mutt to send the email with attachments, probably SendEmails will also do well, but I am wondering how to do the same thing in postfix from command-line?
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Jan 12, 2010
I've been trying to send mail to email account even after installing postfix but am not able to do so.My distro is Centos 5.4. I followed the Centos user guide to install and configure postfix into the server,
Code:
http://wiki.centos.org/HowTos/postfix
but still didn't receive any email.
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Sep 13, 2010
I am trying to setup a simple SMTP server to relay scanned documents from a Xerox machine to email addresses. Unfortunately the Xerox machine doesn't support TSL or SSL so sending mail over port 25 on gets blocked. I have setup postfix on a desktop running Fedora 13 and have been able to set it up to forward the mail onto the correct server (gmail for example). My question is, how do I get the server to encrypt the emails (scanned documents) when sending them over the internet?
I have tried adding:
Code:
smtpd_use_tls = yes
smtpd_tls_cert_file = /etc/postfix/smtpd.cert
smtpd_tls_key_file = /etc/postfix/smtpd.key
But when I look at the wireshark capture of the sending I can read my test message in plain text.
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Jun 2, 2011
How can I send email outside my LAN using postfix? Actually, I can received email from outside like yahoo. hotmail etc.. But when I am trying to send outside in my mail server here is the error I got..
Jun 2 21:19:51 microtontech postfix/smtp[4434]: connect to k.mx.mail.yahoo.com[98.139.54.60]: Connection timed out (port 25)
Jun 2 21:20:10 microtontech postfix/smtp[4435]: connect to
[code]....
I try to telnet yahoo.com and smtp.pldtdsl.net 25 here are the result, but when I try to telnet smtp.pldtdsl.net its showing trying only.. I checked if my ISP is blocking port 25 isn't. (I forgot what is the website I used to check if my ISP port 25 is block) I try already to used in my relayhost the [URL] but the email I sent still bouncing..But I remember last time when I was installed Hmailserver in my Win2K3 machine I sent email outside but I cannot received..
[code]....
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Feb 8, 2011
I'm experimenting with with mail-servers now and I'm trying to configure postfix to send emails from one email(pop3 is gmail) to any email outside the local network. Server is Ubuntu 10.10 with the last updates.
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Aug 9, 2010
what do I need to change in postfix/ dns to send email to one one of the email server hosted by 1and1.
I'm using zenoss to monitor system/ network and devices. I wanted to setup email notification , so I installed postfix. All works fine when I use my private account on yahoo or hotmail. but when I specify email account that is hosted by 1and1 I receive error 421. "
xxxxmyserver postfix/smtp[5399]: B0A5B22A06: to=<1and1emailaddress>, relay=mx00.1and1.co.uk[212.227.15.169]:25, delay=0.8, delays=0.04/0.02/0.62/0.12, dsn=4.0.0, status=deferred (host mx00.1and1.co.uk[212.227.15.169] said: 421 invalid sender domain 'xxxxmyserver' (misconfigured dns?) (in reply to RCPT TO command))
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Apr 1, 2011
I have a website sitting on my private server (CentOS 5x) running plesk 9.2.2. There is a form for customers to fill out and when they press send it sends the data to a specified email address and a BCC if desired (email address present in BCC Field) and and response to the person submitting the form. The problem I am having is everyone gets their email after the submit button is pressed except the person listed in the TO field. Below is the output from postconf -n and below that is the maillog
[root@usloft1105 ~]# postconf -n
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases, hash:/var/spool/postfix/plesk/aliases
[code].....
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May 3, 2011
I used this tutorial to setup to setup iSpconfig postfix courier: [URL] but i cannot send or receive email:
[Code]....
Basically when i create users in ISPconfig, something goes wrong, mysql is running and i have postfix-mysql installed and running too.
[Code]...
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Mar 22, 2011
My company email server has been working flawlessly for the last 5+ years. Recently, one of our clients put their email server behind a firewall (an assumption on my part; details below). Ever since, email sent from within the company (192.168.xxx.xxx internal address; all computers and server is behind a NAT firewall [Netgear FVX538]) is either being sent to the client after some delay (if email is sent using Outlook) or is being deferred until the messages expire (Thunderbird, Squirrelmail, etc.). Email sent to the client from anywhere outside the company (using Thunderbird, Outlook or any other email client) is also delivered without any problems (usually after a short delay).
All other emails to the World are being sent without any problems at all (both inside and outside the company; using any email client or webmail). I did contact the client's postmaster, but the client, being a large government agency, will probably not address the problem (if it is on their side) anytime soon. I am not sure if I can do anything from my end to solve the problem. Ever since the problem with the client began, I added two statements to the postfix configuration file (smtp_pix_workaround_delay_time = 20s and smtp_pix_workaround_threshold_time = 0s); this seemed to a bit - it reduced the delay for emails sent via Outlook to a few minutes (as opposed to 30+ minutes); emails sent using Thunderbird/webmail are still being deferred.
Server details: Dual quad-core processor machine, 32 GB RAM, dual 1 gbps network, running Fedora 14 (64-bit; loosely modeled along the lines of Perfect Server (with ISPConfig2) as described on the howtoforge website). Running Postfix (v. 2.7.1), Dovecot (v. 2.0.9).
Postfix details:
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
body_checks = regexp:/etc/postfix/mbl-body-deny
broken_sasl_auth_clients = yes
command_directory = /usr/sbin
[code]....
I emailed the client's postmaster suggesting they disable smtp fixup. But still, what bothers me now is that Outlook works (both within and outside the company) while Thunderbird, webmail, etc. (used by ~90% of the users) do not. In addition, all email clients from outside the company can send email (authenticated via the company server) to the client without any problems. Is there anything I can do on my end to make non-Outlook clients work within the company (webmail is hosted on the company server; so, it would have an internal address as well)?
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Dec 7, 2010
I just set up a new email server on Debian Lenny. It's Postfix for MTA and Dovecot for IMAPS server. I use Dovecot for authentication. I have two UNIX users on the system (except root), one was added before the installation of Postfix and Dovecot. I'm not doing any virtual things, just plain UNIX users and one domain on a dynamic IP. The first user, "webadmin" can send and receive emails just fine through the server from my mail client.
Now I just added a new user, "scarleo", and it turns out I'm unable to send and receive emails with this account. If I log in (SSH) with scarleo I can use bash mail to send emails, works fine. scarleo can also receive emails from webadmin and can connect to Dovecot to read emails. However scarleo cannot send or receive to or from anyone outside the server from my mail client. I have restarted both Postfix and Dovecot after adding the user. Do I have to do something else to make this account work like webadmin's?
A few relevant lines from mail.log: (I've modded my real IP)
Code:
Dec 7 17:44:42 homer dovecot: imap-login: Login: user=<scarleo>, method=PLAIN, rip=96.136.112.229, lip=192.168.0.18, TLS
Dec 7 17:44:42 homer dovecot: imap-login: Login: user=<webadmin>, method=PLAIN, rip=96.136.112.229, lip=192.168.0.18, TLS
Dec 7 17:45:16 homer postfix/smtpd[5915]: connect from bredband.comhem.se[96.136.112.229] .....
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May 25, 2010
I'm trying to set up a basic smtp server on my local computer that I can send basic, unencrypted email through on port 25. I installed postfix, and I chose the following options:
Internet Site,
System Mail Name: localhost
Root and postmaster mail recipient: I left this blank
For other domains to accept mail, I entered : NONE, localhost
No force synchronous mail updates
Local networks: 127.0.0.0/8
[Code].....
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Sep 8, 2010
After a reboot of my VPS, I keep getting the following error when sending email to my domain (hosted on Google Email). I can send to other email addresses but my own. So it seems like postfix thinks all mydomain.co.nz is to be sent internally?
Sep 9 09:25:05 mydomain postfix/pickup[20784]: 0316C3CC68: uid=1000 from=<sidb>
Sep 9 09:25:05 mydomain postfix/cleanup[20806]: 0316C3CC68: message-id=<20100908212505.0316C3CC68@mydomain.co.nz>
Sep 9 09:25:05 mydomain postfix/qmgr[20783]: 0316C3CC68: from=<sidb@mydomain.co.nz>, size=326, nrcpt=1 (queue active)[code].....
How do I tell postfix that mydomain.co.nz is to be sent to Google email server?
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Dec 31, 2009
I have an email setup where all of the emails from our email host is downloaded to our Linux server using Fetchmail. Then some of the incoming emails are sent to an MS exchange server (server1.domain.com) using Postfix. What i want to do is to send a copy of all emails to Another server (server2.domain.com) for redundancy.Can postfix be configured to send copies out to both?
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Jul 26, 2010
In my Windows environment, I use email client such as Microsoft Outlook to connect to our email server to send email with the following configuration:
Incoming server (POP3): 995 - (requires with SSL)
Outgoing server (SMTP): 465 - (use encrypted connection SSL)
[code]....
And the mail server requires user ID login and password.how do I setup a text command based email client in my Linux (Centos 5.1) to send out email through the existing email server above, which is in another machine? The email client has to be text command based because I need to use command line to send notification email from anothar application installed in my Linux (Centos 5.1) Since the email client will only be used to send email notification, I don't require setting up of an email server in my linux.
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Jul 1, 2010
is there a way to allow unsubscribed email address to send emails to mailman list without having to manually set a filter for that email address?
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Jun 3, 2009
Debian 5, apache 2.2 I've got Apache up and hosting multiple sites. Each site will have a php contact me page that will simply dump an email to a fixed address. What program should i be using to accomplish this? I've used nullmailer before but that assumes you have a fixed smarthost somewhere which I don't.
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Feb 23, 2010
I'm attempting to send email used a textbook PHP application. The application fails to send an email.Do I need to setup an email server to get the ap to work?Right now, I'm getting email through Kontact via my web host, Yahoo mail and Google mail.
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Sep 23, 2010
I don't have idea how could I create a script that will forward my email from postfix to a script automatically to sms gateway right now I can receive a mail from solarwinds and I'm done configuring my kannel sms gateway .Could anyway help me how could I send my email-> sms automatically using script?
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Jun 1, 2011
recently i was raised my question about external and internal emailing using one domain name.Now i have another question about restriction.I can able to set email account and permit only local and external
now my question this kind of setup external and internal one thing i've noticed is that using prinzz1@domain.com(local only) was able to receive email from outside.is it possible to block all outside email if the prinzz1@domain.com is local only?
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Jan 19, 2010
How to set outgoing mail limit? And what is the default value?
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Mar 24, 2010
I use CentOS 5.3 and I am trying to send a simple email through mutt.My command is:echo "test" | mutt -s "test email" myemail addressI have no errors displayed but the email never goes out of the machine. Also the /var/log/maillog is empty.I can see the queued email with:sendmail -bpSo emails never go out.This PC is connected to a network which the gateway is another Linux machine which is configured to be the default gateway in my /etc/resolv.conf as nameserver.
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Jan 15, 2011
I use gmail for all of my emailing needs but stumbled upon linux counter at counter.li.org. Now I registered on the site and downloaded the machine-update script from the site. So I ran it and it collected the required data. But when I run ./machine-update -m as they have told, I guess no mail gets sent as I have to configure the mail program. How do I configure it so that it sends mail from my gmail address using stmp?
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May 29, 2010
how do i send out all email remain in linux to gmail?OS: CentOS 5
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Apr 18, 2011
how to configure linux for email to send andplz alos guide me what will be the command for
sending? am using oracle linux version 5.5.19 enterprise edition.
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Apr 16, 2010
I want a php example script to send email in linux.I know that it could be done using mail() function but i dont know how to use it.
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May 26, 2011
I am using postfix and dovecot installed in one machine running linux centos 5.4 and I have two lan card eth0 and eth1
the eth0 is my IP from ISP
the eth1 is my internal IP
Now since my postfix and dovecot are started without any errors what I mean is. I can able to send in yahoo,gmail,etc... and also i can recieve email from outside. My question is how can I restrict this email address prinzz@prinzz.com denied for outside but can send and recieve only in internal while this prinzz2@prinzz.com is allow to send and receive outside and inside.
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Sep 24, 2010
I can send emails to local accounts but not out to the world. Here are the refrences I used to set things up.
[URL]
I was able to send and receive after the "basic" setup. I added amavis-new and I am pretty sure that it stopped working then. (late nights, lots of changes/tries not 100% sure any more) Went back to basics trying to send a test email from telnet (on the server).
Code:
mail:~# telnet mail.my-server.com 25
Trying 216.240.35.89...
Connected to mail.my-server.com.
[code]....
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Oct 11, 2009
I keep getting emails from my 404 error handling system on my CMS saying "mail3.xps.idv.tw:25 cannot be found" with no referer. It would appear that someone is trying to use my server to relay spam to Taiwan. How do I check that my server has the right security to stop this happening?
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Mar 3, 2010
I'm trying to learn how to send my self an email reminder using crontab, this is what I tried but I'm not getting the email.# m h dom mon dow command 33 13 * * 3 mail -s "This is a test" joedwalker.email@gmail.com < /home/joe/email.
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