Sendmail Configuraion
May 3, 2007Our mail server is rejecting port 25 connections, when anyone trying to send email. We are running sendmail. What configuration file needs to check? And what needs to be changed?
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Sendmail
Apr 6, 2007i have two issues:
1) I had disabled the php mail() function due to spam, but this has stopped so many hosted scripts to stop emailing their users... how do I enable that function again?
2) in a failed attempt to fix #1 (i thought it was sendmail which caused it) sendmail has stopped sending in or delivering emails... not quite sure why this happened eventhough I backed up sendmail before working on it and reverted back when i failed to resolve the issue?
Big Sendmail
Aug 14, 2007when I send mail with mail() function (on my forum ) I can't resieve it I have
when I execute tail -f /var/log/exim_mainlog
I have :
2007-08-14 17:29:43 1IKxOx-0002uq-Qi == nobody@server.XXXX.com R=localuser T=local_delivery defer (13): Permission denied: cannot create //mail
PHP Sendmail
Jul 31, 2007My website is running of a windows server, and so doesn't let PHP sendmail work .
I only remembered this recently, and now know why I have been loosing out on clients.
Is there a work around to this? i.e possibly some sort of script that emulates the linux sendmail? Note: I don't have access to the windows server config, it is a shared hosting account.
As I was on windows and hated my hosts spam protection (took almost 3 hours for the spam filter to confirm safety of emails from gmail servers) I moved the email system to an external company, that now manages my pop3/smtp etc. (not sure if this makes any difference - but may as well explain it just incase)
Sendmail
Aug 1, 2007I have installed sendmail program on the server and when I try to send email to any external address, it is trying to connect to localhost. Am I missing anything here?
View 1 Replies View RelatedRelay Via Sendmail
Mar 31, 2008I have found a bunch of articles to setup Sendmail as a mail relay, but none have been successful for me or the articles are very outdated. Anyone have a 'stupid-proof' set of current instructions on how setup Sendmail Pop before SMTP? This is a CentOS 4.5 Box with Sendmail 8.14.2/8.13.1 and Dovecot. Any successful guidance would be appreciated!
View 3 Replies View RelatedConfiguring Sendmail
Jul 14, 2009how to which will help me to make a correct configuration of mail server. I want to set up a mail server with e.g three domain names and all three domain names will have few similar email addresses like info, sales, marketing and so on. I know that this can be done by using control panels but I am not big fan of control panels I want to do a pure Linux administration using the command line.
View 6 Replies View RelatedSendmail Tightening
Mar 19, 2009I haven't used Sendmail in a while and would like to clarify a specific setup.
Suppose we have a box hosting a handful of clients, thus it is a Shared setup.
Suppose we have Sendmail sendmail-8.13.1-3.3.el4 on a CentOS 4.7 Final installed with 0 extra configuration other than the default one.
Such setup allows on to relay via the localhost method through php/cgi scripts or even manually through sendmail binary.
Ideal setup would be one where I would have the ability to specify into a file, the usernames allowed to relay email. E.g
if /etc/passwd contains
user1
user2
user3
user3
baduser
user6
spaminguser
than ideally I'd like to pick 'baduser' + 'spaminguser' and disallow them the ability to relay through the localhost.
I should not know anything about their domains or where they are sending.
A general directory setup might be
/home/user1/domain1.com
/home/user1/domain2.com
/home/user1/domain3.com
/home/user2/domain.com
/home/user2/sub.domain.com
etc.
Thus, the server has 0 more than a barebones installation of Sendmail with the following configuration
----------------------------------------------
divert(-1)dnl
include(`/usr/share/sendmail-cf/m4/cf.m4')dnl
VERSIONID(`setup for Red Hat Linux')dnl
OSTYPE(`linux')dnl
define(`confDEF_USER_ID',``8:12'')dnl
define(`confTO_CONNECT', `1m')dnl
define(`confTRY_NULL_MX_LIST',true)dnl
define(`confDONT_PROBE_INTERFACES',true)dnl
define(`PROCMAIL_MAILER_PATH',`/usr/bin/procmail')dnl
define(`ALIAS_FILE', `/etc/aliases')dnl
define(`STATUS_FILE', `/var/log/mail/statistics')dnl
define(`UUCP_MAILER_MAX', `2000000')dnl
define(`confUSERDB_SPEC', `/etc/mail/userdb.db')dnl
define(`confPRIVACY_FLAGS', `authwarnings,novrfy,noexpn,restrictqrun')dnl
define(`confAUTH_OPTIONS', `A')dnl
define(`confTO_IDENT', `0')dnl
FEATURE(`no_default_msa',`dnl')dnl
FEATURE(`smrsh',`/usr/sbin/smrsh')dnl
FEATURE(`mailertable',`hash -o /etc/mail/mailertable.db')dnl
FEATURE(`virtusertable',`hash -o /etc/mail/virtusertable.db')dnl
FEATURE(redirect)dnl
FEATURE(always_add_domain)dnl
FEATURE(use_cw_file)dnl
FEATURE(use_ct_file)dnl
FEATURE(local_procmail,`',`procmail -t -Y -a $h -d $u')dnl
FEATURE(`access_db',`hash -T<TMPF> -o /etc/mail/access.db')dnl
FEATURE(`blacklist_recipients')dnl
EXPOSED_USER(`root')dnl
DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA')dnl
FEATURE(`accept_unresolvable_domains')dnl
LOCAL_DOMAIN(`localhost.localdomain')dnl
MAILER(smtp)dnl
MAILER(procmail)dnl
---------------------------------------------------------------------
Sendmail To Exim
May 18, 2009I've got a chroot setup and I'm currently using mini_sendmail but I'm getting:
Quote:
Deferred: 451-The server has reached its limit for processing requests from your host
I'm assuming thats because I don't have Exim on this server, but I would like to send the mail to Exim on my mail server.
Sendmail Redirect
Jun 16, 2008A spammer has sent a ton of users a phishing email requesting the users password...
I work for a regional ISP, and we deal with alot of elderly people who would probably send him a response with a password... I looked over the mail log and one person did respond back to him...
Basically... I want to do like... a virtusertable entry that forwards any email sent to HIM... to ME...
so basically... his email is for instance: phishingspammer@gmail.com
I want to do something like this in the virtusertable (I understand it probably cannot be done thru the virtusertable):
phishingspammer@gmail.com goodguy@regionalisp.com
This way I can alert the people who DO try to send him emails that the email was stopped and to never respond with a password.
Sendmail Not Work (
Nov 9, 2008I sent email through php function mail - false.
Open putty ->
php -r 'mail("***@gmail.com","test","jjjjjjjj";'
sh: /usr/sbin/sendmail: No such file or directory
SENDMAIL not installed ?
CentOs 5
Sendmail- Between Two Hosts
Oct 23, 2007on a sendmail issue that I'm seeing, to which both my hosts are saying "nothing wrong at this end".
Some background:
A few months back, I moved my XXX.com from SLHost to another host. But I forgot to remove the account in WHM at SLHost until a day or two ago.
Since then, mails generated by the server (eg, from a PHP script, or the cron messages) are not getting to the XXX.com account - they're just sitting in the mail queue. I can use POP3 to send mails from accounts on SLHost to XX.com without any problems.
Some diagnostics:
MAIL QUEUE OUTPUT FROM SLHOST.COM
Message 1Iju1W-0001a9-G6 is not frozen
delivering 1Iju1W-0001a9-G6
Connecting to XXX.com [209.51.132.1]:25 ... connected
SMTP<< 220-bee.nswebhost.com ESMTP Exim 4.68 #1 Tue, 23 Oct 2007 08:01:17 -0500
220-We do not authorize the use of this system to transport unsolicited,
220 and/or bulk e-mail.
SMTP>> EHLO server.resource-directory.info
SMTP<< 250-bee.nswebhost.com Hello server.resource-directory.info [207.210.221.149]
250-SIZE 52428800
250-PIPELINING
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
SMTP>> STARTTLS
SMTP<< 220 TLS go ahead
SMTP>> EHLO server.resource-directory.info
SMTP<< 250-bee.nswebhost.com Hello server.resource-directory.info [207.210.221.149]
250-SIZE 52428800
250-PIPELINING
250-AUTH PLAIN LOGIN
250 HELP
SMTP>> MAIL FROM:<nobody@server.resource-directory.info> SIZE=2117
SMTP>> RCPT TO:<subtest3@XXX.com>
SMTP>> DATA
SMTP<< 250 OK
SMTP<< 451 Temporary local problem - please try later
SMTP<< 503-All RCPT commands were rejected with this error:
503-Temporary local problem - please try later
503 Valid RCPT command must precede DATA
SMTP>> QUIT
LOG: MAIN
== subtest3@XXX.com R=lookuphost T=remote_smtp defer (-44): SMTP error from remote mail server after RCPT TO:<subtest3@XXX.com>: host XXX.com [209.51.132.1]: 451 Temporary local problem - please try later
DIG MX OUTPUT FROM SLHOST:
; <<>> DiG 9.2.4 <<>> mx XXX.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 3132
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 1
;; QUESTION SECTION:
;XXX.com. IN MX
;; ANSWER SECTION:
XXX.com. 4116 IN MX 0 XXX.com.
;; AUTHORITY SECTION:
XXX.com. 76116 IN NS ns2-bee.nswebhost.com.
XXX.com. 76116 IN NS ns1-bee.nswebhost.com.
;; ADDITIONAL SECTION:
XXX.com. 4116 IN A 209.51.132.1
;; Query time: 1 msec
;; SERVER: 207.210.221.149#53(207.210.221.149)
;; WHEN: Tue Oct 23 08:03:33 2007
;; MSG SIZE rcvd: 123
So, that seems to be OK - the server at SLHost recognises that mail should go to the IP listed for the new account.
DNSREPORT.COM WARNINGS:
WARNSOA REFRESH valueWARNING: Your SOA REFRESH interval is : 86400 seconds. This seems high. You should consider decreasing this value to about 3600-7200 seconds (or higher, if using DNS NOTIFY). RFC1912 2.2 recommends a value between 1200 to 43200 seconds (20 minutes to 12 hours, with the longer time periods used for very slow Internet connections), and if you are using DNS NOTIFY the refresh value is not as important (RIPE recommend 86400 seconds if using DNS NOTIFY). This value determines how often secondary/slave nameservers check with the master for updates. A value that is too high will cause DNS changes to be in limbo for a long time.
------
WARNSOA EXPIRE valueWARNING: Your SOA EXPIRE time is : 3600000 seconds. This seems a bit high. You should consider decreasing this value to about 1209600 to 2419200 seconds (2 to 4 weeks). RFC1912 suggests 2-4 weeks. This is how long a secondary/slave nameserver will wait before considering its DNS data stale if it can't reach the primary nameserver.
--------
FAILReverse DNS entries for MX recordsERROR: The IP of one or more of your mail server(s) have no reverse DNS (PTR) entries/* (if you see "Timeout" below, it may mean that your DNS servers did not respond fast enough)*/. RFC1912 2.1 says you should have a reverse DNS for all your mail servers. It is strongly urged that you have them, as many mailservers will not accept mail from mailservers with no reverse DNS entry. You can double-check using the 'Reverse DNS Lookup' tool at the DNSstuff site if you recently changed your reverse DNS entry (it contacts your servers in real time; the reverse DNS lookups in the DNS report use our local caching DNS server). The problem MX records are:
1.132.51.209.in-addr.arpa [No reverse DNS entry (rcode: 3 ancount: 0) (check it)]
-------
WARNMail server host name in greetingWARNING: One or more of your mailservers is claiming to be a host other than what it really is (the SMTP greeting should be a 3-digit code, followed by a space or a dash, then the host name). If your mailserver sends out E-mail using this domain in its EHLO or HELO, your E-mail might get blocked by anti-spam software. This is also a technical violation of RFC821 4.3 (and RFC2821 4.3.1). Note that the hostname given in the SMTP greeting should have an A record pointing back to the same server. Note that this one test may use a cached DNS record.
XXX.com claims to be host bee.nswebhost.com [but that host is at 64.22.69.42 (may be cached), not 209.51.132.1].
Sendmail Error
Jun 28, 2007I am on CentOS 4.4 64 bit, installed sendmail using
yum install sendmail
everything was installed.
when I
service sendmail start
I got:
Starting sendmail: 554 5.3.5 /etc/mail/sendmail.cf: line 265: service "smtp" unknown [FAILED]
Starting sm-client: [ OK ]
what does that mean? how to fix it?
I just want to allow local php script sending email only. no pop3 and smtp service required.
Exim Vs Sendmail
Feb 26, 2007What are the main diffrenced between sendmail and exim? If you can explain,
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Aug 1, 2007Has anyone successfully configured sendmail to work with vm-pop3d under FReeBSD?
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Feb 6, 2007My server (cPanel) can't sendmail (php code), I haven't received any email from cpanel also (create, suspend, terminate .... accounts).
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May 16, 2007Just wondering how could we access mailboxes from SendMail is there any free utility available for it?
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Mar 6, 2007My OS is FreeBSD 6.2 and I use Sendmail as software to send the e-mail. When I sent a french letter, specials character will display as é. Is there a way to fix it?
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Apr 24, 2009I currently have sendmail(mini_sendmail in chroot) running, and wanted to know how can I send the mail from php scripts to my e-mail server running exim/dovecot?
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Jul 2, 2009Is there any way to have sendmail completely disabled on my server?
I tried:
service sendmail stop
but my maillog keeps filling up with a lot of messages like these:
stat=Deferred: Connection refused by [127.0.0.1]
How can I stop the maillog from filling up?
VPS Provider With Qmail Or Sendmail
May 4, 2009Are there any VPS providers with verifiable expertise in either qmail or sendmail?
Acceptable demonstration of expertise would include at least one long-term employee with one or more of: citation in respected MTA related reference book
useful tech posts to any related email list/forum/whatever
Postfix Or Sendmail Or Exim As MTA? Which Is Best?
Jul 9, 2008i am confused about setting up mail server.
1.Postfix or sendmail or exim as MTA? which is best?
2. which SMTP/POP3 is best? dovecot or courier or any other
3. or which MTA/POP3 combination is easy and works best?
i am looking for easy installation so that i can use webmail and outlook for emails.
what do you suggest? and of course not commercial ones.
Sendmail :: Sorry, Your Helo Has Been Denied
Jan 8, 2008I am on a VPS and set everything up myself. When I try and email a friend, I get it bounced back with the following message (with his email filtered):
<<< 550-5.7.1 {mx078} Sorry, your helo has been denied. <<< 550 5.7.1 [url] 550 5.1.1 <**********@gmx.co.uk>... User unknown
I'm pretty sure the user isn't unknown, I have checked and it is his email address. Can anyone tell me what is wrong, and if the problem is on my end or his, and if my end how I might go about fixing it?
Sendmail + Secondary Ip Address
Apr 14, 2008How would I go about using sendmail with my server's secondary IP address?
It would seem that sendmail automatically sends with the primary
Deny Sendmail Connections
Jul 24, 2008I run a small hosting company in Spain. I have some dedicated servers in USA with Ensim control panel.
I have found some sendmail connections from spammers that use the accounts of my customers.
I want to know if I can deny connections to sendmail from all countries except Spain. This way most of foreigns spammers could not use the accounts of my customers to send spam.
My servers has Sendmail version 8.13.6.
Sendmail - Limit To Root Only
Jul 18, 2008I have a default CentOS box wth sendmail. It's working fine. But now, I want to limit the messages to root only. So, every message to other domains, like yahoo, gmail, hotmail, whatever goes to null, or if they can be forwarded to root too
View 0 Replies View RelatedHow To Setup Sendmail After Yum Install
Dec 11, 2007My CentOS 5.1 server has no control panel.
I've executed the following commands on my server:
yum install sendmail
yum install sendmail-cf
I don't know what exactly they did so I need to know what more do I need to do to setup my server so that I can send and receive e-mail. What configuration files should I edit etc?
I'll also install vm-pop3d. At what point should I create e-mail accounts and how?
Sendmail/qmail/exim
Jul 13, 2007I have few cpanel server, but I have got a question. When mails send using script, does it use exim or sendmail? Are these different? From my understanding exim uses sendmail as MTA, am I right?
View 2 Replies View RelatedSendmail (extended Logging)
Jan 8, 2007Just turned on extended logging in exim. Went through the log (exim_mainlog) and have thousands of these:
2007-01-08 01:44:10 cwd=/tmp 2 args: /usr/sbin/sendmail -bS
2007-01-08 01:44:12 cwd=/tmp 2 args: /usr/sbin/sendmail -ti
2007-01-08 01:44:50 cwd=/tmp 2 args: /usr/sbin/sendmail -bS
Looked in the /tmp dir. and see nothing interesting. Looks like sendmail has been hijacked. Not sure what to look for now.
Sendmail Setup On FreeBSD 6.x
Jun 6, 2007I got a new server running FreeBSD 6.x and WHM/Cpanel.
mail() in php does not work, so I am looking for guidance in setting up sendmail.
PHP info shows the following:
sendmail_path /usr/sbin/sendmail -t -i
Sendmail/postfix On Ubuntu 7.04
Sep 9, 2007how do I configure a minimal/basic sendmail/postfix mail server on an ubuntu 7.04 server edition? I tried with postfix but I ran only into errors.
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