Plesk 11.x / Linux :: Postfix Smtp SASL Authentication Failure
Jan 24, 2013
I have a new Plesk 11.0.9. #34 server with Centos 6.3 64bit.
I made a few changes in order to be PCI Compliant.
I created a domain and try to send email with no luck.
----------Maillog------------
Jan 24 16:01:28 server7 pop3d-ssl: Connection, ip=[::ffff:X.X.X.X]
Jan 24 16:01:34 server7 pop3d-ssl: IMAP connect from @ [::ffff:X.X.X.X]ERR: LOGIN FAILED, ip=[::ffff:X.X.X.X]
Jan 24 16:01:34 server7 pop3d-ssl: Unexpected SSL connection shutdown.
Jan 24 16:01:48 server7 pop3d-ssl: Connection, ip=[::ffff:X.X.X.X]
[Code] ....
As you can see from the logs, the pop/imap connection is successful. I login to webmail with the username/password successfully. I can't send from Outlook/thunderbird etc.
Tried to rebuild emails with /usr/local/psa/admin/sbin/mchk --with-spam but no luck.
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Mar 18, 2007
I recently moved to virtual dedicated hosting for my website, mainly because I wanted a better mail server to work with to manage a mailing list.
I have a few PHP software scripts for different things: managing affiliates and email marketing.
I want to send mail using both of those via SMTP on my new server. They both have a place to type in the host and username/password.
The problem I am noticing is SASL Authentication. They attempt to connect to the host without any trouble. However, the affiliate software fails SASL Authentication every time I try to send an email or test the email system.
Email marketing software connects when I manually send a campaign. However, users are supposed to immediately receive a confirmation mail upon opting in. In this case, it shows up as an attempt in the mail log, but it fails SASL Authentication. I don't know if it's a problem with the software or not, since it attempts to connect but fails, yet connects successfully in other cases.
My question is this: Is there another way around this? I've contacted my host to double check on the appropriate username/password to pass authentication. I will also be contacting the software developers after I receive an answer.
But if nothing comes of it, is there any way around it? Is there a place where I can have it automatically authenticate if the email is coming from a certain user, or if the attempt is being made from the same server (everything sits on the same server, I use localhost in the software to connect to the mail server). Since I am the only person who has access to the server and uses it, it seems safe to automatically authenticate if the request is being asked by the server itself...
I'm just looking for other alternatives if the software does indeed have a problem and I cannot figure it out.
Keep in mind I am very new to all this server and root access. Just a few days ago I was on a shared hosting plan, so I didn't have any access to anything. With that in mind, I know very little about mail servers, although I've been learning more over the past few days. I only stumbled upon the mail logs on my server recently by browsing files in the control panel (I'm not familiar with SSH, although I do have access to it)
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Sep 15, 2014
Ubuntu 14.04 with Plesk 12 (10 Domain License).Using this for mail only... multiple domains.Postfix and Dovecot installed. Trying to figure out how to do:
- SASL Auth (Dovecot)
- TLS
- want above two to be mandatory... no plain text auth and no unencrypted connections.
How do I achieve this with Plesk 12?I have found countless how-to's about doing this with Vanilla (non Plesk) installs with the same server software. However, Postfix main.cf and master.cf both appear to have specific Plesk modificatuons. Same thing for the related Dovecot conf files... also have Plesk specific modifications.
I see no way to enable the desired settings from the Plesk Panel. Can't achieve this within the Panel but also can't modify the conf files without potentially breaking some Plesk-specific functionality? My original hope in purchasing the Plesk license was to make administration of the mail server easier. Unfortunately, I'm struggling to do this now and may have already had this figured out had I not bothered with the Panel.
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Jan 17, 2015
I've just setup CentOS 6.6 with Plesk at my Hoster OVH. Now when I want to connect to the smtp server I get following message:
Code:
SASL LOGIN authentication failed: encryption needed to use mechanism
SASL auth is enabled in the main.cf also submission. I connect to tls://smtp.example.com:587 with my email and password.
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Jul 28, 2014
I have a brandnew server with CENTOS 6.5 Final with Plesk 12.
For some reason unknown i'm not able to configure Postfix as smtp server and accept plain text autentication. It only accept TLS autentication both on port 25 or 587. If i install Qmail everything works without any problem.
There my configuration files.
(Main.cf)
queue_directory = /var/spool/postfix
command_directory = /usr/sbin
daemon_directory = /usr/libexec/postfix
[Code].....
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Jul 10, 2013
This error occurred always when I try to send one email using my server and authentication STARTTLS. Here message From mailer daemon:
Signature: Postfix SMTP server: errors from unknown[187.75.4.156]
Message:
Transcript of session follows.
Out: 220 age1.com.br ESMTP Postfix
In: EHLO [192.168.1.101]
Out: 250-age1.com.br
Out: 250-PIPELINING
Out: 250-SIZE 20480000
[Code] ....
For other details, see the local mail logfile
/usr/local/psa/var/log/maillog
Code:
Jul 10 14:15:37 ip-172-31-27-123 postfix/smtpd[26508]: warning: cannot get RSA certificate from file /etc/postfix/postfix_default.pem: disabling TLS support
Jul 10 14:15:37 ip-172-31-27-123 postfix/smtpd[26508]: warning: TLS library problem: 26508:error:02001002:system library:fopen:No such file or directory:bss_file.c:355:fopen('/etc/postfix/postfix_default.pem','r'):
Jul 10 14:15:37 ip-172-31-27-123 postfix/smtpd[26508]: warning: TLS library problem: 26508:error:20074002:BIO routines:FILE_CTRL:system lib:bss_file.c:357:
[Code] .....
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Jun 17, 2014
I've a problem with a server with Postfix. Emails (smtp) are refused by an operator because there is too many mail sent in a few moment.
With Qmail, we make this config :
1) we create file concurrencyremote
# vi /var/qmail/control/concurrencyremote
with the value 3
2) we restart Qmail and it's ok
With Postfix, we make that :
1) we modify the file /etc/postfix/main.cf
default_destination_concurrency_limit = 3
2) In /etc/postfix/transport :
wanadoo.com slow ;
wanadoo.fr slow ;
orange.fr slow ;
orange.com slow ;
laposte.net slow ;
.wanadoo.com slow ;
.wanadoo.fr slow ;
.orange.fr slow ;
.orange.com slow ;
3) After :
#postmap /etc/postfix/transport
4) In /etc/postfix/master.cf :
slow unix - - n - 5 smtp -o syslog_name=postfix-slow -o smtp_destination_concurrency_limit=3 -o slow_destination_rate_delay=1
5) In /etc/postfix/main.cf :
slow_destination_recipient_limit = 20
slow_destination_concurrency_limit = 3
And we modify :
transport_maps = hash:/var/spool/postfix/plesk/transport, hash:/etc/postfix/transport
6) At the end :
# /etc/init.d/postfix reload
But it doesn't work. Operator "Orange" refused emails.
In maillog, we have :
dsn=4.3.0, status=deferred (mail transport unavailable)
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Jun 25, 2014
installed on CentOS 6 and Plesk Version 12.0.18.
I initially had trouble where everytime i tried to load webmail.domain.tld i would have a DNS error, I've resolved this by correcting the DNS settings on my domain and now i can login to the webmail and recieve emails. Now, whether i use Horde or Roundcube i get this authentication error for my SMTP. I'm very new to this stuff and i'm not sure where my log files are or what the issue could be or even how to fix it.
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Nov 27, 2014
Plesk 11.5 Lunix
Centos 5.6
I am having problem sending email. Email from others came in but when sent from the server it does not arrived.
SMTP Server (Postfix) keep stopping...
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Mar 7, 2015
The problem is, can not send mail via SMTP using popular scripts Opencart, SMF, Osclass. The problem was lapping Plesk 11.5 via 587 port. That was timeout connection or authorization error with the correct settings. Mail may be sent, sometimes not. No longer working than working. At the same time when working with e-mail clients(example, The Bat) work fine. In Plesk 12 same problem. Port 465 - e-mail clients(example, The Bat) work fine. But can not send mail via SMTP using popular scripts Opencart, SMF, Osclass. When using Cpanel with Exim - all work perfect. But the Plesk e-mail with Postfix - constant problems.
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Jul 10, 2015
After setting up a new server on Plesk12, I successfully ran some test mail outs using phpmailer using the SMTP server on this machine
However, there was an issue in creating new local mail accounts in plesk with an error message each time.
Investigating this issue led me to a solution that I should run mail_restore from the Plesk scripts
This cured the problem of setting up new local accounts but outgoing SMTP mail is always failing with 'relay access denied'.
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Dec 3, 2014
I'm getting the following attempts every few minutes, I'd to put a stop to it with Fail2Ban but so far I've been unsuccessful. I get no IP bans in the Fail2Ban panel in Plesk 12.
Dec 3 23:24:14 XXX postfix/smtpd[2535]: warning: ca215.calcit.fastwebserver.de[146.0.42.84]: SASL LOGIN authentication failed: authentication failure
/etc/fail2ban/filter.d/sasl.conf
# Fail2Ban filter for postfix authentication failures
#
[INCLUDES]
[Code]....
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Jul 2, 2014
My issue started ince a couple of months seemed to increase with update to Plesk 12.0 (though I can't guarantee it).I am using Centos 6.5, all updated. What happens is that postfix usage starts to increase without any apparent reason (during week-ends for example). Then postfix is not responding anymore.
Code:
top - 13:27:13 up 3 days, 18:44, 0 users, load average: 0.73, 0.33, 0.32
Tasks: 238 total, 2 running, 236 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.3%us, 0.6%sy, 0.1%ni, 98.7%id, 0.3%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 32917292k total, 8982212k used, 23935080k free, 1899416k buffers
Swap: 1046520k total, 0k used, 1046520k free, 4905884k cached
[code]....
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May 12, 2014
Plesk Panel, 11.0.9, #61, Windows 2008 R2 SP1, x64
PROBLEM:
With reports configured to send out to an email address local on the Windows server configured through PLESK, if local relay isn't enabled at 127.0.0.1 on the SmarterMail server, the reports are never delivered.
- server is [domainx].com
- email to receive reports from PLESK is plesk444@[domainx].com
-this email address is able to send and receive internally or externally to and from any client w/ SMTP auth enabled.
If SmarterMail is configured with SMTP Authentication Bypass for 127.0.0.1, we get the scheduled report emails as we should. Without the SMTP Authentication Bypass enabled, none of the clients or administrators get any reports or notifications at all.
QUESTION: How can I configure PLESK Panel 11 itself to use that SMTP Authentication to send those reports out?
--is there a configuration file or registry value I can add or modify?
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Jun 18, 2007
i am trying to setup a VPS with:
Apache Suexec, so that each VHosts runs under there own username
FTP for each of the vhosts.
I have made a username aplushost and FTP works fine when i login, however when i try and get Suexec to work it shows a 403 permision dined, even know the whole directroy path is with correct permsions.
"/home/aplushost/www"
However if i chown the directroy "aplushost" to apaches username , currently "nobody" i have tried with "apache" and many others the page is displayed correctly.
The weird thing is that the www directroy can still be set to the aplushost username and files work inside.
However due to changing the privalages of the folder aplushost ftp now fails to login due to the folder not being owned by the ftp user "aplushost".
So im stuck between only having one item working at a time.
i have put some content of my config files.
----------httpd.conf vhosts------------------
<VirtualHost 87.117.196.247>
DocumentRoot "/home/aplushost/www"
ServerName aplushost.co.uk
SuexecUserGroup aplushost aplushost
<Directory "/home/aplushost/www">
allow from all
Options +Indexes
</Directory>
</VirtualHost>
---------------passwd file----------------
aplushost:x:500:99::/home/aplushost/www:/sbin/nologin
(Have tried with many different shells, no difference, also tried with home directroy as just /home/aplushost)
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Jun 8, 2007
I use Exim + Dovecot for my mail server. We can get mails through pop3 protocol without a problem, but when we try to send mails, exim does not permit relay. My passwords are stored in a mysql database for dovecot. Is it possible for exim to do authentication based on that? If it will be easier, i can create a text file with md5 passwords on it for my users.
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Mar 2, 2007
Where I have to configured Cpanel Exim Smtp Authentication for ASSP-Deluxe.
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Jul 24, 2014
I trying to create authentication Key in SSH with plesk 11.5.30 CentOS Linux box...I followed the following KB article to create authentication key. URL...The authentication key not working.
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Aug 12, 2014
Lately I've been spending a lot of time grok'ing the Postfix logfile (i.e., /usr/local/psa/var/log/maillog) and I've been noticing a lot of authentication failures (and even one successful break-in).
Most entries are just a simple pair of log entries that includes the source IP address and then the details of the mailbox name, like this one:
Code:
Aug 12 08:08:18 www postfix/smtpd[4805]: warning: unknown[162.255.86.250]: SASL LOGIN authentication failed: authentication failure
Aug 12 08:08:20 www plesk_saslauthd[4434]: failed mail authenticatication attempt for user 'media@example.com' (password len=6)
[Code]....
How are these entries generated? i.e., Why mailbox name given right away some times (like the first example) while - other times - the account name isn't displayed for several seconds - almost ninety seconds in the second example?
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Nov 14, 2007
I have been trying to determine if I should use Postfix or Exim for our new SMTP gateway. My biggest obstacle is in trying to determine if Postfix can handle the processing as efficiently as Exim.
Basically we have hundreds of domains that will have email going through the gateway. I need to know if Postfix can be configured to perform different actions based on the recipient domain (i.e. block receipt of message or add a header and deliver). It looks like this functionality is handled by using a 3rd party tool like "amavisd".
The problem is that it looks like I have to wait for the DATA to be received before I can send the mail to the filtering tool rather than just waiting until the last RCPT command. It is also unclear as to whether the message will be denied during delivery with a 550 error being returned or whether the message is accepted and a postmaster message is sent. Obviously I would prefer the 550 error.
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Oct 17, 2007
I have a customer that wants to send emails using Exim and SMTP (using outlook), withouth authentication. Now.. the big question is ... how can I configure the Exim server to work withouth any authentication?
I know the risks of this withouth any authentication, but is my customer's server and he want to work in this way.
He is also asking if he is able to send emails withouth authentication using SMTP for certain IP addresses.. is that possible? Can be done for only 1 domain, or for the entire server?
Im using Exim 4.6.8 and RHE 4 + cPanel.
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Dec 6, 2014
I would like each of my clients who have a dedicated IP address and an SSL certificate to be able to use their own domain name (and own certificate) when sending mail on ports 465 or 587. I have managed to change the default certificate used by Postfix to my own server's certificate, but I want users to use their OWN IP address and SSL certificate when sending, so this is not an option.
I have been able to update Dovecot to use a specific certificate for each IP address, but I can't seem to update Postfix. I was trying to follow these instructions but my postfix master.cf was quite different than the poster's file and I didn't succeed: [URL] ....
I know many people will simply say "it can't be done" or "just get the users to use the shared IP address", but I know there must be some workaround to make this work, even if it means manually updating the config file after every Plesk update. I'm even prepared (if possible) to have Plesk abandon management of Postfix and have me manage it manually, if that's even an option.
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Aug 20, 2014
I can't send any mail from the server. I don't get any log information about errors. Postfix is installed on opensuse 13.1.
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Jun 27, 2013
I am using plesk 11.0.9 and I want disable ssl anonymous authentication. A vulnerability exists in SSL communications when clients are allowed to connect using no authentication algorithm.
How I can disable anonymous authentication
Plesk apache + nginx running
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