BIND + Dovecot - Can't Get To The Mail Server
Dec 7, 2008
I have a what seems like a quick question. I'm hosting my own DNS servers via bind, and everything seems to be nice and dandy. However, I cannot seem to receive email, and when I do a check via pingablity it tells me there is a timeout error when trying to reach my MX record. I *am* able to access the POP/IMAP server (which is powered by Dovecot) through Outlook and other email clients.
I know it is an issue with iptables because as soon as I turn it off pingability is able to reach my mail server just fine. I do have port 53 open as well as 1024-65535 UDP ports open. I've scouted internet for hours trying to find the cause of the problem with no results.
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Dec 16, 2014
if i create a new mailaccount in the power-user panel and i dont log in into the webmailer, so the "subscription" file is not created.
that means there is no way to sent emails with the new created account with external mail clients (Thunderbird), because there is no "sent" or "drafts" folder.
the problem disappears, if i log into the webmailer after creating a new mailaccount.
is there any other way to fix this bug? i want plesk 12 to create the "standard" folders (Trash, Drafts, Sent, Spam) automatically.
something to the used system:
- Ubuntu 14.04 Server
- Plesk 12.0.18
- IMAP/POP3 Server: dovecot
- SMTP Server: postfix
(logfiles are not showing anything..)
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Jun 18, 2014
Every time i use Dovecot secure IMAP server with Sieve support.I can not receive emails note. Upgraded from 11.5 to 12
Jun 18 08:03:36 CO6302 postfix/qmgr[1523]: 284FAA0E86: from=<my@gmail.com>, size=1943, nrcpt=1 (queue active)
Jun 18 08:03:36 CO6302 postfix-local[2036]: postfix-local: from=my@gmail.com, to=the@domain.com, dirname=/var/qmail/mailnames
Jun 18 08:03:36 CO6302 postfix/pipe[2035]: 284FAA0E86: to=<the@domain.com>, relay=plesk_virtual, delay=336, delays=335/0.01/0/0.19, dsn=4.3.0, status=deferred (temporary failure. Command output: lda: Error: user the@domain.com: Error reading configuration: Invalid settings: postmaster_address setting not given lda: Fatal: Internal error occurred. Refer to server log for more information. 4.2.1 Message can not be delivered at this time )
[code]...
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Jul 7, 2009
I need to determine which mail server is better so i can know what to install as default on future servers.
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Apr 25, 2009
i have cpanel with 512 meg ram.
i need fast mail server. so which of them is good?
Courier or Dovecot
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May 7, 2008
i recived below email from my server!
what is this and what should i do i don`t use any SSL
Certificate for dovecot on server.test.com was expired and a self signed one was created to replace it. You should install a new certifcate as soon as possible to replace the self signed one that was installed to replaced the expired one. You can install a new certificate in WHM under "Manager Service SSL Certificates", or by clicking this link: [url]
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May 8, 2008
i recived below email from my server!
what is this and what should i do
i don`t use any SSL
Certificate for dovecot on server.test.com was expired and a self signed one was created to replace it. You should install a new certifcate as soon as possible to replace the self signed one that was installed to replaced the expired one. You can install a new certificate in WHM under "Manager Service SSL Certificates", or by clicking this link: [url]
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May 7, 2009
I have installed dovecot from source some time ago. Now i require it to be thoroughly removed. regarding the procedure for a proper uninstall.
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Jun 28, 2015
This is a fresh installation in AWS using AMI for Plesk 12.
When installed with Dovecot I got this error when trying to login to mail:
Jun 28 12:23:44 server1 dovecot: imap-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<someuser@xxxxx.com>, method=DIGEST-MD5, rip=127.0.0.1, lip=127.0.0.1, secured, session=<mfryjpUZdgB/AAAB>
If I switch to Courier works perfect:
Jun 28 12:35:53 server1 courier-imapd: Connection, ip=[::ffff:127.0.0.1]
Jun 28 12:35:53 server1 courier-imapd: LOGIN, user=someuser@xxxxx.com, ip=[::ffff:127.0.0.1], port=[35677], protocol=IMAP
Jun 28 12:35:53 server1 courier-imapd: LOGOUT, user=someuser@xxxxx.com, ip=[::ffff:127.0.0.1], headers=0, body=0, rcvd=52, sent=156, time=0
In normal servers or under Virtuozzo (formerly Parallels Cloud Server) Dovecot works without problem.
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Aug 15, 2014
on a fresh debian 7 64bit openvz system we actually have a problem with the new plesk 12 feature of limiting outgoing mails.We migrated about 25 systems to plesk, this is the first that makes problems.If limiting outgoing mails is activated (i double-checked all possible checkboxes in plesk) a fresh mailbox gives us the following error while trying to send via smtp:
Aug 15 13:09:32 2d4 postfix/smtpd[8645]: connect from unknown[XX.XX.XX.XX]
Aug 15 13:09:32 2d4 postfix/smtpd[8645]: E9AF61C58851: client=unknown[XX.XX.XX.XX], sasl_method=PLAIN, sasl_username=XX@XXX.XX
Aug 15 13:09:32 2d4 greylisting filter[8651]: Starting greylisting filter...
Aug 15 13:09:32 2d4 /usr/lib/plesk-9.0/psa-pc-remote[8611]: handlers_stderr: SKIP
[code]....
After deactivating the feature all mail is sent without any problems. We use postfix + dovecot.
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Feb 3, 2015
I did the following configuration:
Postfix
in the /etc/postfix/main.cf I added the following configuration parameter
recipient_delimiter = +
Managed a sieve script in webmail which contains the following:
1: # Sieve Filter
2: # Erzeugt von Ingo (http://www.horde.org/apps/ingo/) (03.02.2015, 02:53:39)
3: require "fileinto";
4: # Plustest
5: if address :all :comparator "i;ascii-casemap" :contains "To" "+plustest" {
6: fileinto "INBOX.plustest";
7: stop;
8: }
I created a folder in my INBOX with the name plustest, now I sent me an email from an outside freemail-account to see if it works. In the logfile /var/log/maillog I can see the following entry:
Feb 3 15:06:25 mail postfix-local[18290]: cannot chdir to mailname dir <name>+plustest: No such file or directory
Feb 3 15:06:25 mail postfix-local[18290]: Unknown user: <name>+plustest@<dom.tld>
Feb 3 15:06:25 mail postfix/pipe[17708]: 0ECAF4C1B3: to=<name+plustest@dom.tld>, orig_to=<aliasname+plustest@dom.tld>, relay=plesk_virtual, delay=0.61, delays=0.52/0/0/0.09, dsn=2.0.0, status=sent (delivered via plesk_virtual service)
I changed my real name to <name> and my domainname to <dom.tld> in this post.
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Jul 30, 2007
Ive been learning alot about BIND and DNS, id like someone to check over what ive learn't to make sure my knowledge is correct.
A Zone:
A zone is basically 'similar' to a sub-domain but the domain google.com would not be a sub-domain, so a zone is not a sub-domain. In the domain google.com 'google' would be a deligated zone from the TLD 'com'. In another example: ny.google.com , 'ny' would be a zone for google's 'new york' department, if they had one.
Hosts:
The host name is usually the most left word in a domain or you can look at it as the leaves on an inverted tree in the DNS System. Examples:
www.google.com = 'www' would be the host
mail.sitepoint.com = 'mail' would be the host
ny.google.com = 'ny' would NOT be a host because its a 'zone' and does not offer a 'service' like ftp, mail, www ect. would. Unless 'ny' was intended to be a service then it would be a host, but it would have to become a leaf in the inverted tree, so you wouldn't ba able to create any zones from it like 'mail.ny.google.com' ... if that makes sense.
Nameservers:
If i used BIND on my server to manage my Zones and DNS information (which is pretty much standard), that would be my Nameserver. Its job would be to convert human recognizable names into computer recognizable names/numbers/ip.
My nameserver would only have authority over zones that are not deligated. So an example, 'com' deligate 'mydomainname' to me (mydomainname.com) they have no authority over that zone. So if i set up a nameserver on mydomain.com they have no authority over mydomainname or any zone under that.
Domain Namespace
The Domain Namespace was setup to replace the method used by ARPA (later DARPA) in the 60's in an effort to create a database of hosts that were easy to administer and reduced the time and server load on the old skool HOSTS.TXT method.
A domain namespace is a way to identify the different domains. Im not to good at explaining what i mean but basically ill illustrate this example:
google.com and google.net both have the same names, so the namespace in this example would the the TLD's 'net' and 'com' to seperate them.
Go a bit deeper for example:
cd.music.com and cd.disk.com , both have the same TLD and sub-domain's so the namespace here is the first-level domain 'music' and 'disk'.
Sub-Domains
Sub-Domains are similar to zones, in a way. A domain name: 'google.com' might have the sub-domain 'video.google.com' which links to the video section of google. 'video' is not a deligated zone from 'google' neither is it a host as such, so its a sub-domain.
Im probably slightly confused on some parts, and im open for comments. I dont fully understand alot of it, but what ive learnt so far took a good day to get my head around. If anythings wrong, id like to know.
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Jul 31, 2009
I have a Bind DNS server setup and running on windows. Im trying to set up my domain at namecheap to use my name servers but it keeps telling me that the nameserver isint registered.
I have the nameserver set up as ns1.domain.com and i can see that its listening on port 53.
I did a local test on the server and the DNS is working properly.
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