0
votes
1answer
21 views

How can I configure Postfix to ignore relayhost when forwarding mail?

How can I configure Postfix to ignore relayhost when forwarding mail? I currently use the relayhost to send all outgoing email via an external SMTP service : # /etc/postfix/main.cf relayhost = ...
0
votes
1answer
47 views

How to forward to dynamically determined addresses with Postfix?

Each message to a local user must go to an address that is obtained by running an external command. That command will look at the local address tag, make API calls to several processes, and then ...
0
votes
0answers
37 views

multiple login credentials for same relayhost

i struggle with my postfix config. i want to use the same relayhost for my two domains, but i have different credentials on the relayhost. is there a way to tell postfix to use two different login ...
1
vote
2answers
61 views

POSTFIX main.cf permission denied

I am trying to set up a postfix server for smtp relay. Centos 5.5 I have followed http://mhawthorne.net/posts/postfix-configuring-gmail-as-relay.html but am getting a FAILED error when trying to ...
0
votes
1answer
105 views

postfix relayhost 'Recipient is not recognized. Relay access denied'

im trying to get webmin postfix to send emails through my smtp account with another email provider (in this case lavabit.com) im getting the error 'Recipient is not recognized. Relay access ...
0
votes
1answer
45 views

Postfix - sender dependent configuration based on client IP instead of email address

Using Postfix, I want to setup the transport according to the sender IP. There is sender_dependent_default_transport_maps, which does it according to the sender email address (envelope MAIL FROM). ...
1
vote
0answers
40 views

Postfix sometimes ignore sasl_passwd

I have a server (server1) configured to use a relayhost (server2), with a specific username and password. server2 is another of my servers. server1 configuration: /etc/postfix/main.cf: relayhost = ...
0
votes
1answer
142 views

Postfix: Relay access denied through SASL with permit_sasl_authenticated setted

Postfix 2.7 / Ubuntu 10.04 LTS when i try to send a mail from Outlook (with smtp auth) to a gmail account (or others), i get relay access denied. The log (i've faked the emails): Feb 24 16:49:16 ...
1
vote
1answer
47 views

Postfix changes to main.cf are not loaded

Ubuntu 10.04 LTS root@vm1613:/etc/postfix# vim /etc/postfix/main.cf [...] # default restrictions smtpd_sender_restrictions = check_sender_access hash:/var/spool/postfix/plesk/blacklists, ...
0
votes
1answer
129 views

Telnet to SMTP gets no 220 response unless user is specified

My server is setup to generate outgoing email only (no receiving), and is timing out when attempting to contact smtp.foo.com Essentially the email is generated by a process on myserver.foo.com, sent ...
0
votes
0answers
30 views

Postfix as local relay using virtualhosts

I've for years been running a powerhogging server(win-Firstclass)~200 emailadresses 5 nonprofit domains. I'm considering phasing it out, but I want to do, affecting the users at the minimum, and over ...
0
votes
1answer
74 views

Possible spam emails from our server but not from our domains

I encountered something weird with my mail server. For about 3 days now I am noticing that my mail server sending emails that aren't included in my domains. There are from different IPs different mail ...
0
votes
1answer
371 views

554 Relay access denied

I set up a mailserver yesterday according to this tutorial: http://wiki.hetzner.de/index.php/DebianMailserver3 (tutorial is in german). Sending emails is working fine, recieving emails from other ...
0
votes
1answer
107 views

How to have Postfix send email to another server if user lookup fails for specific domains

Currently my server acts as a gateway, checks AD for valid email addresses, if the email address exists in exchange it sends over the email, otherwise just rejects (typical) I need Postfix to send ...
0
votes
1answer
60 views

Postfix Transport Not Getting Triggered

I have ServerA and ServerB - I'm moving accounts from A to B but I want ServerA to relay any mail it receives to ServerB to make sure no mail gets lost after I have copied mailboxes over while DNS ...
0
votes
1answer
108 views

postfix 550 relay not permitted for virtual mailbox domain

When somebody sends mail to myvirtualdomain.com I get the message Remote host said: 550 relay not permitted! [RCPT_TO] What is wrong with my settings? I do not think the problem is in the mysql ...
1
vote
2answers
84 views

Postifx: how can someone send e-mail without authorization with this configuration?

Yesterday I found that 10 thousand e-mail messages were sent through my system using this configuration: http://pastebin.com/bThpH1s8 - main.cf http://pastebin.com/kkxxsstP - master.cf I temporarily ...
1
vote
5answers
178 views

Best Practices for Open Relay Email Server

I have a scenario where I need to setup postfix with no TLS, no SMTP authentication, and open relay allowing from only one remote IP address. Emails from this remote IP may have spoofed "from" address ...
2
votes
1answer
290 views

Postfix stop outgoing delivery but accept all incoming

I'm doing development for a webapp that sends emails out to users. I've typically used Argosoft Mail Server (Freeware) in a windows environment as an SMTP server in which I've enabled relay but ...
1
vote
0answers
95 views

Postfix: Modify sender address based on recipient

We have a Postfix server that receives mail from our application servers. Senders are in the form user@host.fqdn (where host.fqdn can vary, depending on source server) and recipients can be internal ...
0
votes
1answer
424 views

POSTFIX bouncing when destination is my domain

I am using provider mail hosting to send emails. On my Webserver I also have Postfix running and configured. Here is my main.cf smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no ...
1
vote
1answer
144 views

Postfix mail gateway/relay for limited domains

I have a number of servers at a hosting space. What is the best way or is it possible to run a relay on one of the system to send all emails to alerts@myowndomain.com to our email hosting service ? ...
2
votes
1answer
83 views

Postfix as a relay for specific networks only

I have a strange issue with postfix that is driving me a little up the wall as it seems to work 50% of the time but with no changes made. What I want to achieve: I have a number of virtual servers ...
0
votes
1answer
123 views

Postfix: Ignore relay host when from specific address

I configured my postfix server to relay all received mails to smtp.example.com with relayhost. This server doesn't accept mails from an external source. So only scripts are sending mails. Is it ...
0
votes
1answer
222 views

Postfix enable sending to any domain in the Internet with authentication but no SSL

When I try to send a mail by SMTP and Postfix I got a error "5.7.1 unable to relay". After lot of config changing it worked for me to send email to the same domain as server (to other accounts on ...
3
votes
1answer
197 views

Creating a “fake” open relay to capture non-relayable outgoing mail with postfix

We occasionally have customer-provided servers in our technical support and engineering departments. They're isolated on their own VLAN, with strict firewall rules in place to minimize possible bad ...
0
votes
1answer
339 views

Cannot send email outside of network using Postfix

I've set up an Ubuntu server with Request Tracker following this guide (the section about inbound mail would be relevant). However, while I'm able to send mail to other users within the ...
1
vote
2answers
787 views

postfix and iRedMail- Relaying Denied

I am trying to setup iRedMail and am way over my head here. I have installed it, and can send emails internally, but not externally. When I send an email from outside, I get the following return ...
0
votes
2answers
773 views

Allow receiving and sending of local mail, disable remote relay on postfix

I just installed mutt and postfix on my server and I've been playing around with it. Now, however, I want to make sure that no one can remotely send mail with my server as a SMTP relay. I don't know ...
2
votes
3answers
728 views

Ubuntu Postfix Gmail SMTP Relay Not Working

I currently have postfix set up to relay messages from my websites through gmail, and up until recently it was working perfectly. However, within the last week or so (not really sure when) I started ...
0
votes
1answer
224 views

postfix specify limited relay domain while allowing sasl-auth relay

I'm trying to set up postfix to allow relaying under a limited set of conditions: The destination domain is one of a pre-defined list -or- The client successfully logs in Here's the relevant bits ...
0
votes
1answer
76 views

Want to store To,From,Bounce,and mailstatus in sql database?

On my postfix relay server i want that postfix do not create /var/log/maillog file and directly store To, From,Bounce Address and mail status directely in sql server database. How can i do this ?
1
vote
1answer
133 views

Setup Postfix as a relay / filter

I need to have Postfix set up to work with Lamson. Despite my research on the web, i haven't figured out how to configure postfix. I'll have a server (A) that will forward all its email to a second ...
1
vote
1answer
284 views

Disable local recipient check in Postfix

I am trying to setup Postfix on CentOS. I have configured it to use my Google apps account to send mails. Lets say I have configured Postfix to use user1@mydomain.net, which is a Google apps email. I ...
1
vote
1answer
194 views

relay_domains seems to be ignored by postfix

I am trying to set up a perimeter spam and malware filter using CentOS/Postfix/SpamAssassin. Unfortunately, I am still stuck on the PostFix part. I've setup a new subdomain DNS with its own A/MX ...
2
votes
1answer
318 views

Nginx Ubuntu Postfix Config - Can't connect to incoming IMAP server 'server not responding' but can send mail via outgoing using same details?

I'm pretty to new server admin and especially nginx but seem to be getting ok fine apart from accessing my mail via my iPhone? I've changed my domain to 'domain.com' The thing is I can send mail ...
0
votes
1answer
411 views

DKIM on postfix relay server

I have a postfix/amavis relay server, with the domain name mail.example.com. It will be a relay for dozens of VPSs, which will have domains like hostname.example.net. So i have actually two ...
1
vote
1answer
1k views

New mail server can't send emails, only receives

I'm setting up a new mail server for my company with Ubuntu Server 11.04 and postfix/dovecot. I'm new on this so I have some problems. I'm getting it works only for receving mails from any address ...
-1
votes
1answer
237 views

Postfix “Relay access deined” error with Outlook

I am following this tutorial and finished the basic setup. I can login and send via squirrel mail and telnet but receive a "relay access denied" error in the logs when i try and send from Outlook. all ...
0
votes
1answer
167 views

Is there are postfix setting to disable prepending a sender path in the Received: header?

Currenty emails are sent/received as : Received: from localhost.localdomain (sender.host [xx.xx.xx.xx]) by smtp.host (Postfix) with ESMTP id 7F6CC67897 for <mail@example.com>; Thu, 19 ...
0
votes
1answer
373 views

Postfix connects to wrong relay?

I am trying to set up postfix on my ubuntu server in order to send emails via my isp's smtp server. I seem to have missed something because the mail.log tells me: Jan 19 11:23:11 mediaserver ...
1
vote
2answers
395 views

SMTP server currently an open relay

I'm using Postfix (2.3.3) on CentOS (5.7). Right now, my server seems to be acting like an open relay. If I specify a login, it works fine, both unsecured and with TLS (however TLS nags me about the ...
0
votes
1answer
267 views

relay mail from one postfix server to another

I'm attempting to use just 1 postfix instance to input ALL my outgoing mail. From there the goal is to relay it to my one of the many outbound postfix instances. I do this using round robin dns so it ...
2
votes
3answers
2k views

How to get Postfix to send/forward/relay to a sub-domain located on another server?

I have a quick question. How do I setup postfix to send an email to another server (Exchange Server) when sending to an email address that has a sub-domain of our main server. For example, say our ...
6
votes
1answer
2k views

How can I configure Postfix to ignore relayhost for some domains?

Is there a way in Postfix to ignore the relayhost? I have something like relayhost = [smtp.domain.net]:587 Now for a certain domain I don't want to send it out to that relay but want it to just ...
1
vote
1answer
747 views

detect malicious script used to send mail

i was recently used as an open relay and mass spam was sent through my server. i since then stopped it but my maillogs grow enourmously with this type of log. Aug 20 07:00:29 veepiz ...
0
votes
1answer
232 views

Need help diagnosing “User unknown in virtual alias table”

I'm using virtual alias maps to relay mail and I keep having some of the entries bounce. Postfix seems to know where they are supposed to go and when I run postmap -q for virtual_alias_maps and ...
0
votes
3answers
1k views

Mail not relaying in postfix

I am managing a server which mainly deals in relaying mail using virtual alias maps. For some reason unknown to me email that goes through these maps are getting bounced. I've checked to make sure the ...
0
votes
1answer
200 views

Relay Access Denied with virtual_alias_maps in postfix

My postfix server is encountering a problem with a couple domains bouncing email. The error message is: postfix/smtpd[2673]: NOQUEUE: reject: RCPT from mail.foo.com[xxx.xxx.xxx.xx]: 554 5.7.1 < ...
0
votes
1answer
1k views

Postfix: 5.7.1 Relay access denied

I hope I can become help here with my problem. I can't send E-Mails. I get only the error message: 5.7.1 Relay access denied my postconf: append_dot_mydomain = no biff = no ...

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