Free and open source mail transfer agent (MTA) that routes and delivers email

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1answer
179 views

Setting up restriction classes in postfix for blocking receiving and sending mail to external domains.

Hello everyone on serverfault, I run a Debian Wheezy mailserver with postfix and several domains on it. For one domain, I need some accounts to be unable to receive and send email to the external ...
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1answer
71 views

Centos postfix issue

I'm having issues with mail not being sent from our Centos server. I have a number of domains on this VPS, for example: domain1.com - website hosting only, mail is served by an external exchange ...
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1answer
1k views

554 5.7.1 <mail_addr>: Relay access denied centos postfix

I have problem in send mail from postfix in centos I have following setup mail server postfix for sending mail but I am getting error. As in the link I tried following commands telnet localhost ...
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0answers
185 views

The current operation on 'inbox' did not succeed. The mail server for account peter@ejemplo.org responded: MailBox does not exist

When I try to access the inbox from Thunderbird 17.0.8, I get the following error: The current operation on 'inbox' did not succeed. The mail server for account peter@ejemplo.org responded: MailBox ...
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2answers
194 views

Can't use mail on my server. log says it can't find hostname

Basically the log of postfix says: NOQUEUE: reject: RCPT from unknown[***.***.***.***]: 450 4.7.1 Client host rejected: cannot find your hostname, [***.***.***.***]; from=<my@email.com> ...
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1answer
38 views

Replicate Gmail user+something@gmail.com functionality using Postfix

With gmail it's possible to put a + after your username followed by an identifier. See here for an example. Is it possible to replicate this functionality with Postfix? We have a ...
0
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1answer
478 views

Postfix/Dovecot support multiple domains

I have a server running Postfix/Dovecot with a MySQL back-end which is configured to use the domain name 'olddomain.com'. I am migrating everything to use another domain 'newdomain.com' and ...
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2answers
388 views

should I use noanonymous?

I have postfix and dovecot on a machine and I don't want anonymous sasl. This is my main.cf smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes ...
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1answer
1k views

iptables error: No chain/target/match by that name?

After running following command: iptables -t nat -I POSTROUTING -m state --state NEW -p tcp --dport 25 -o eth0 -m statistic --mode nth --every 5 -j SNAT --to-source 173.224.222.45 I get following ...
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2answers
2k views

Relay access denied and need fully-qualified hostname

Jul 15 20:33:32 ubuntu-server postfix/smtpd[2294]: connect from cpe-90-157-232-208.static.amis.net[90.157.232.208] Jul 15 20:33:32 ubuntu-server postfix/smtpd[2294]: NOQUEUE: reject_warning: RCPT from ...
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1answer
3k views

Dovecot Virtual Users Not Authenticating

We have a standard Postfix/Dovecot installation working perfectly with real users but cannot work out how to add virtual users, all virtual user login attempts fail with authentication errors. ...
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1answer
1k views

How to check if my postfix is running

We do a relay to another server which we use only for sending mails. Since we send a lot of mails daily (no spam), the relaying server's postfix tends to crash (I'm not that technical in this matter ...
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2answers
208 views

postfix remote received header

I have two servers SERVER -1 (S1) and SERVER -2 (S2)(Based on centos 5 + Postfix). S1 contains my software and S2 is a SMTP. S1 submits mails to S2 and S2 mails to REMOTE STMP. Received mail show ...
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votes
2answers
163 views

Which is the easiest to configure MTA/POP3/IMAP solution? [closed]

I'm having hard time to configure postfix/dovecot + mysql with virtual domains. Still doesn't work for me 100%. Which is the easiest to install/configure mail solution for centos 6/64bit ? I just ...
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2answers
321 views

Postfix, SASL, MySQL Issues

Ok, a recent Gentoo upgrade for Postfix/Cyrus SASL/MySQL packages broke something. I'm at my wits end, no idea what the problem is. main.cf # local settings. Remember any domain you want treated as ...
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1answer
2k views

Postfix/SMTPD Relay Access Denied when sending outside the network

I asked a very similar question some 4 or 5 months ago, but haven't tracked down a suitable answer. I decided to post a new question so that I can ... a) Post updated info b) post my most current ...
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3answers
1k views

forward all mail on a specified domain to script

Hey all! I run a disposable e-mail service that accepts all incoming mail and forwards it to a PHP script that stores it in a database for people to view. Before now, I have been on shared hosting ...
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2answers
251 views

How to instruct Postfix to wait until the LDAP server is back again?

Sometimes, my LDAP server is not responding for a couple of seconds and when Postfix does its lookup, it bounces with an error: "Invalid user specified". Is there a way to force the lookup to be ...
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3answers
1k views

Postfix: relay access denied

I never got my SMTP service working, now i'm ready to try again. The server is a FreeBSD 8.1-RELEASE-p1, postfix was installed as part of the Webmin/Virtualmin install.sh I have read Postfix Virtual ...
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1answer
2k views

Postfix “Relay access denied”

Hey, my e-mail-server was running for over 90 days and suddenly The error that the other server returned was: 554 554 5.7.1 : Relay access denied (state 14). Postfix worked for the last 90 days and ...
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1answer
2k views

Can I receive mail at another port like 465 instead of default 25 on my mail server?

My Zimbra mail server, which uses Postfix, is working fine. I am able to receive mail at 25 from Yahoo, Hotmail etc., but if I block my 25 port for incoming then mail will stop to come into my mail ...
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1answer
129 views

Is Postfix default configuration secure for out-going website mail?

I installed Postfix with ubuntu 9.10, apache2 and php5. I have an e-commerce website that sends out emails using the postfix installed on the server. Do I need to perform any special configuration ...
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2answers
217 views

Postfix SMTP AUTH setup??? Confused

I have setup Postfix on my CentOS and configured it properly. Now, I want to enable user authentication to avoid any spam deliveries. I don't want a complicated setup, just a plain txt file which ...
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4answers
1k views

Postfix: Connect; Immediate Disconnect

I'm trying to get a PHP mailing script (using PEAR) working on my web server connecting to my remote Postfix box, and each time the script executes, I get no errors in either my PHP output or my ...
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3answers
594 views

Postfix can't read ~/.forward files

I have a highly customized home-directory structure which restricts access as follows: The server hosts a number of subdomains, which are grouped into seven "zones" Home directories are ...
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votes
1answer
64 views

Postfix user is not allowed to submit mail

I am running a webserver on debian wheezy with postfix and about 3 months ago I had a major spam problem with one my domains with web21 id. I made a fresh wordpress install and everything and the ...
-3
votes
1answer
85 views

Seeking central user management software [closed]

I work in a startup company and recently the number of pieces of software we use started to increase. Because all of them introduce their own user databases I started looking for a solution that could ...
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votes
1answer
110 views

Postfix rejects php mails

I get errors such as Feb 11 05:45:07 htz postfix/sendmail[6465]: fatal: User web6(5006) is not allowed to submit mail Feb 11 05:45:56 htz postfix/sendmail[6466]: fatal: User web21(5012) is not ...