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

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11 views

Postfix intermittent lookup failures

i have intermittent lookup error on my postfix/mysql/dovecot/debian when looking to virtual aliases ... it happens on 10% of outgoing emails Revelant log of a failed request : Aug 28 12:17:43 ...
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1answer
29 views

Postfix, Amavis & outgoing mails: How to notify the sender

I had problems with outgoing spam emails from compromised email accounts sending spam mails from my server and landing on blacklists. So I followed the guidelines for setting up postfix with amavis: ...
0
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1answer
22 views

Postfix Splitting Domain to Separate Mailstores using LDAP

I'm investigating a new mail setup to replace Exchange in our organization using Cyrus-IMAP, Postfix and Perdition IMAP proxy server. I'm running into issues dealing with sending emails to different ...
0
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2answers
4k views

How can I create a new user account with Cyrus IMAP?

I'm trying to setup postfix with imap on a vserver. Now, I'm trying to create the first user/mailbox. The vserver runs Debian. I tried to login to the Cyrus administration console with cyradm, but to ...
0
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1answer
24 views

Using multiple “myhostname” in postfix

Does postfix allow to dynamically change "myhostname" ? I rtfmed a lot but did not found anything qualitative. My installation is a postfix multiple domain, multiple ip (tweaked in master.cf) and ...
1
vote
1answer
771 views

Zimbra outgoing email forwarding/ redirecting from internal to external domain

How can I automatically forward outgoing emails to a different domain? As an example, a user sends an email to 1234564@fax.mydomain.com and I want the exact email forwarded outside mydomain.com to ...
7
votes
4answers
5k views

SRS / Sender Rewriting when forwarding mail through postfix

Is there any way to perform SRS, or something similar using Postfix? When I get a mail from user@example.org, I forward it (via a catchall) to something@gmail.com, but GMail is checking SPF, and ...
0
votes
2answers
1k views

Mail server: SASL authentication failure - Postfix + Dovecot + Mysql

I tried to set up my own mail server (postfix, dovecot, mysql, ) and I can connect via imaps/pop3s without any problems. But every time I try to connect to the SMTP server (e.g. with the Apple Mail ...
0
votes
1answer
882 views

Postfix MySql Dovecot - SMTP Authentication Failure

Hello I have a Postfix setup with Dovecot and MySql. The server is running Debian Squeeze. The MySql server is a slave that has data pushed to it from a primary (postfix) mail server(running a ...
1
vote
1answer
140 views

Postfix: SASL authentication failure: cannot connect to saslauthd server: Permission denied

I had a Postfix/Dovecot server up and running for about a week until I had to reboot it. When I did, things stopped working. I've been up searching for hours to no avail. IMAP successfully ...
0
votes
2answers
703 views

Postfix recipient address verification: does it work without maintaing a list of relay domains on the forwarder?

I'm trying to setup a postfix server with recipient address verification, but I'm not having success. This is my relevant config (as per this) relayhost = x.x.x.x smtpd_recipient_restrictions = ...
2
votes
1answer
64 views

Need help grepping postfix log

I'm trying to search for an unknown string (Message ID) in a log based on a known string (recipient address), and then grep the unknown string to output the entire relevant log information. I'm able ...
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votes
0answers
24 views

454 4.7.1 relay access denied - can send mails but do not receive

i recently installed and configured in my vps a mail service, i can send mails using squirrelmail....but i can't send using outlook, and give this error (454 4.7.1 relay access denied)....i niether ...
0
votes
4answers
1k views

“Warning: hostname localhost does not resolve to address ::1: No address associated with hostname” inside an openVZ/Debian container

I'm getting the mesage regulary inside mail.log from postfix. In special, but not only, at mails send received mailman. warning: hostname localhost does not resolve to address ::1: No address ...
0
votes
1answer
2k views

Postfix (delivery temporarily suspended: conversation with mydomain.net [private/lmtp] timed out while receiving the initial server greeting)

I'm running Debian 7.1, Postfix version 2.9.6, Dovecot Version 2.1.7 To set it up I followed mostly this (without the spamass-clamav-greylist bit) I have also got setup smart host relaying via gmail ...
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votes
0answers
17 views

Configure Postfix to allow incoming mails only from one (defined) mail-id

I have set-up Postfix with Spamassassin on Ubuntu 12.04.5. Fundamental usage of Postfix is to (pipe) trigger a PHP file. Till here I've arrived successfully. Now, to avoid unneccessary load on the ...
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votes
1answer
2k views

saslauthd + PostFix producing password verification and authentication errors

So I'm trying to setup PostFix while using SASL (Cyrus variety preferred, I was using dovecot earlier but I'm switching from dovecot to courier so I want to use cyrus instead of dovecot) but I seem to ...
0
votes
1answer
696 views

postfix, relay local domain

I have virtualmin and settings on virtualhost: mailname and hosts mydomain.com I have all my emails accounts on gmail e.g. support@mydomain.com However when sending emails in Joomla (PHP Mail ...
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vote
4answers
2k views

Receive emails on Amazon EC2 Server

I just got started with an EC2 instance and got my mail sending limit removed, allowing me to send emails from my instance. But due to lack of experience, I have no clue on how to enable receiving ...
1
vote
1answer
50 views

Cannot send email to info@ or support@

I am trying to send email from my gmail account to a couple user accounts I have on my new Centos server. The email is setup correctly and I can send receive from accounts ok except info and support. ...
0
votes
1answer
30 views

Postfix: change sender in queued messages

Following a complete re-installation we got a problem with the configuration: the sender address was wrong and some recipients (mail servers) rejected them. So there is a bunch of mails stuck in the ...
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votes
1answer
19 views

Postfix not delivering from external senders and not logging anything

Some semi-recent upgrades must have broken my postfix+dovecot configuration, but I'm having problems finding out what the cause is. My domain is simendsjo.me with the MX record mail.simendsjo.me. I ...
2
votes
1answer
53 views

Does postfix reject spoofed senders?

Is there a reliable way to reject incoming mails with a spoofed e-mail address? What kind of checks does postfix run normally on incoming mails? does postfix check the reverse dns by default? does ...
3
votes
1answer
1k views

Can't make Dovecot communicate with Postfix using SASL (warning: SASL: Connect to private/auth failed: No such file or directory)

Solved. I will leave this as a reference to other people, as I have seen this error reported often enough on line. I had to change the path smtpd_sasl_path = private/auth in my ...
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votes
0answers
46 views

Mail being sent as root on Ubuntu 14.04

I'm really struggling with this. I'm trying to set up this server to send mail using Gmail's SMTP. Google keeps bouncing the messages, saying that that Authentication is required: ...
0
votes
1answer
1k 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 VPS's, which will have domains like hostname.example.net. So i have actually two ...
1
vote
1answer
51 views

Postfix message ID originating process?

Last night my postfix mail server(Debian Squeeze with dovecot, roundcube, opendkim and spamassassin enabled) started sending out spam from a single domain of mine like these: $cat mail.log|grep ...
1
vote
1answer
41 views

Postfix/dovecot remove LDAP user

I have to remove or blacklist an LDAP/dovecot user. The authentication is setup from active directory what I cannot manage so I thought there should be a way at least to disable this specific user on ...
-1
votes
1answer
14 views

dovecot-lmtp: No such file or directory)

I have a problem w/ dovecot [private/dovecot-lmtp]: No such file or directory) Idea?
1
vote
2answers
2k views

RoundCube login to local IMAP server failing

I've been following this guide to set up a mail server on my server: http://flurdy.com/docs/postfix/edition5.html The only difference is that this tutorial uses a MySQL database and I've used ...
-1
votes
2answers
76 views

GMail detecting mail as spam [duplicate]

I've been trying for a long time to get our company's mail server send mail that will get accepted by the GMail spam filter. I have managed making it work for Yahoo Mail and Hotmail, sadly GMail is ...
0
votes
1answer
15 views

Postfix : error: unsupported dictionary type: mysql

I've a problem w/ postfix problem: # tail -f /var/log/mail.err Aug 20 17:57:50 myserver postfix/smtpd[8243]: error: unsupported dictionary type: mysql Aug 20 17:57:50 myserver postfix/smtpd[8243]: ...
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votes
1answer
32 views

Postfix mails are being queued [on hold]

i'm building a local dns and mail server for a school project. It does not have to go online. Now I configured the dns with a mail server and I can dig the domainname, and search it with nslookup in ...
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votes
0answers
30 views

How to send email from home ip when the email server isn't a designated outbound mail server allocated to BT Retail customers [closed]

I can receive email, but when I try to send an email from my home office via our work email server (which I am admin of) I get the following reply: Your message did not reach some or all of the ...
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votes
3answers
1k views

Migrating users and mailboxes from postfix / Maildir to Postfix with Mysql backend

So I've got 60 or so users on a hand rolled postfix installation on openbsd and I'd like to move their mailboxes to our new mail server running iRedMail (postfix, vmail/mysql back end) Does anyone ...
0
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0answers
73 views

SASLAUTH: Temporary block on more than 5 authentication followed failures

I'm running a Postfix MTA together to SASL when it comes to authentication. Yesterday saslauthd collapsed and none of the email users could login to the mail server. What i think is probably ...
1
vote
1answer
1k views

How to limit outgoing (SMTP) email service based on SMTP user account in postfix?

I have a question, sorry if it's a silly one. I have postfix on my CentOS and want to provide SMTP access to a few of my customers. But want to limit their email delivery. For example; Customer A -> ...
7
votes
3answers
4k views

SMTP message rate control on Ubuntu 8.04, preferably with postfix

Maybe I am chasing a bug but I am trying to set up a smtp proxy of sorts. I have a postfix server which receives all the email for a collection of servers/clients. It them uses a smarthost ...
9
votes
6answers
13k views

Postfix throttling for outgoing messages

I need Postfix to send outgoing messages (from local PHP) with a certain rate. Say, one message in 120 seconds. Any messages exceeding this rate should be queued (delayed) and delivered later. ...
-1
votes
0answers
10 views

Inbox lock for exclusive access [duplicate]

-I found server logged into mailbox on my smtp server -This server released connection for inactivity after 10 minutes. -in the 10 minutes between logged in & disconnected for inactivity, 3 ...
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votes
0answers
37 views

My smtp server is spammed? [duplicate]

I have a server and the postfix client on it. Since several days, I noticed a lot of processes running there. When checked, there are a lot of emails sent. Here is an example from the mail log: Aug ...
0
votes
1answer
30 views

Fetch new Mails (Also from Subfolders) from another IMAP server as new Mail in Postfix

everyone. I have installed Postfix on a server with Aliases and Domains from a MySQL Database. It is configured to forward some adresses to other Mail Accounts and also delivers some mails in local ...
0
votes
2answers
35 views

Dovecot pop3: Disconnected for inactivity

We've application fetching messages from mailbox inbox. Once, application stoppped fetching, then we'd the following in maillog: Aug 15 11:03:47 server_name postfix/virtual[16743]: 731E258003: ...
1
vote
1answer
36 views

Unable to lock error message in SMTP Server

I've the following error message appeared 3 continuous for the same mailbox > (delivery failed to mailbox > /var/spool/postfix/vhosts/<user>/mail/inbox: > > unable to lock for ...
19
votes
4answers
11k views

Why Does hotmail still reject my emails?

I have a very strange problem with my emails being marked as spam by hotmail. I just have configured Postfix + Dovecot on my server and all works perfectly. I can Send/Receive emails. I only have ...
0
votes
2answers
772 views

Postfix: Helo command rejected: Host not found

i have a Postfix 2.9.6 running on Ubuntu with the following configuration https://gist.github.com/anonymous/400fb4afa05e18c6da2b and i'm suffering the following issue where a valid client tries to ...
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votes
1answer
31 views

Mail remove by postfix Centos 6.5 [closed]

I use Postfix for sending local mails over another relay (gmx). But the gmx-Servers block my Mails with 550-Requested action not taken: mailbox unavailable 550 invalid DNS A/AAAA resource record. What ...
0
votes
1answer
42 views

Issue with receiving emails via Dovecot/Postfix

I'm trying to set up roundcube on my server which seems to be working fine. I have gone through all of the steps and it allows me to send outgoing emails perfectly fine (tested that with yahoo), ...
3
votes
1answer
2k views

postfix + opendkim not signing correctly. how to debug this?

EDIT: I did get a little further but all posts on my search say permissions are wrong or regenerate key but I fixed that to be 644 as well as owned by DKIM AND I keep regenerating the key but it is ...
0
votes
4answers
3k views

Postfix: Allow SMTP AUTH only from specified IP address ranges

can one implement an IP address based restriction for SMTP AUTH in Postfix? Scenario: I'm running a Postfix mail server that receives mails from all over the Internet. But the server doesn't only ...