Tagged Questions
0
votes
1answer
13 views
localhost [127.0.0.1] in email headers
I'm using sendmail to send a very simple email from a text file. Here is the text file:
to:test@someaddress.com
from:admin@hostname.tld
subject:Testing
test test test
Which I send with:
sendmail ...
0
votes
1answer
18 views
Load balancing of recipients email adresses on Linux SMTP servers
Background information: We are a provider of web-hosting and email (among other services) and we need several load balanced SMTP servers to fix all our customers needs.
The problem: Every once and a ...
-1
votes
1answer
26 views
Is it safe to replace localhost.localdomain with real domain?
I am configuring a ubuntu server, so I am using sendmail to use PHP mail function. However it keeps sending email to the spam folder of inbox. I'm just trying to make the emails go to inbox instead of ...
0
votes
1answer
18 views
What exactly is the sm-client service and when is it used?
When I restart Sendmail services, I see the following:
[root@foo ~]# service sendmail restart
Shutting down sm-client: [ OK ]
Shutting down sendmail: ...
0
votes
1answer
29 views
sendmail working for some emails
I use PHP to send email which uses sendmail. I noticed that some emails are not being delivered with the below errors in /var/log/maillog
Example 1
stat=Unknown Sender
Example 2
stat=Deferred: 450 ...
0
votes
1answer
42 views
Change the sender email of logwatch on RH Linux
Im running logwatch on red hat 7
it sends mails using root@localhost.localdomain
however, the email from localhost.localdomain is not received at the recipient because localhost.localdomain is not ...
0
votes
2answers
57 views
Email not being relayed from EC2 Amazon Linux Instance
I'm trying to send email from my EC2 instance.
Regardless of the target email address the SMTP service logs show that the email is sent but it never turns up on the remote server.
I've done a ...
0
votes
1answer
48 views
How does SendMail decide which connections are cached?
CentOS 5.x | SendMail 8.14.4
I'm trying to wrap my mind around how Connection Caching works in Sendmail.
I'm experiencing some connection issues with some remote mail hosts that we communicate with ...
0
votes
0answers
56 views
How can I throttle incoming emails in SendMail for a specific recipient?
CentOS 6.3 | SendMail 8.14.4
I'd like to throttle inbound emails to a specific address via sendmail. Is that possible? Ideally I'm looking for the opposite of greylisting: Accept the first email from ...
1
vote
1answer
69 views
iptables - sendmail send out only
I have had a look around and tried a number of things.
If I want a (centos) server to only be able to send emails (notifications to me) but have no other internet access in or out then what are the ...
1
vote
1answer
29 views
What conditions determine the uniqueness of a SendMail QID?
CentOS | Sendmail
On occasion I've noticed that completely separate messages going through a common SendMail server may have very similar SendMail QIDs.
For example one message may have a QID of ...
0
votes
1answer
68 views
Sendmail Modifies Recipient Address from DNS Lookup
CentOS 5.8 box (Unitrends Appliance) with stock Sendmail sendmail-8.13.8-8.1.el5_7. If we email to normal addresses from the box (we have two boxes both doing the same thing) everything is fine. If ...
0
votes
1answer
274 views
NOQUEUE: SYSERR(root): opendaemonsocket: daemon MTA-v4: cannot bind: Address already in use
I have an issue with sendmail on my server (ubuntu 12.10) with php, mysql,and wordpress installed. Basically I want to create a contact form in my blog to receive emails from visitors directly into my ...
0
votes
3answers
342 views
How to configure a real domain name for sender address
I tried to sending out an email using php mail() function but it failed somehow, complaining that a real domain name is required. The following is observed in the maillog:
sendmail 4984 r25984: ...
1
vote
1answer
68 views
Majordomo: Duplicate mails due to being on more than one list
I have a debian server set-up with sendmail and majordomo to handle incoming mail for some mailing-lists. Some of the users are in multiple lists and receive a mail twice when the mail is sent to both ...
0
votes
2answers
66 views
Why am I seeing double entries in maillog for each email sent?
Can anyone explain to me why there are two similar entries of "from" and "to" in maillog every time an email is sent?
2013-01-29 12:12:42 sendmail 2770 r0T4CfFe002770: from=user, size=265,
...
3
votes
4answers
202 views
Does “\root” do anything in /etc/aliases?
I've found on a couple servers that have the following entry in /etc/aliases:
root: \root,email@example.com
I can't find \root used in any documentation.
Does \root do anything?
Could it be a ...
0
votes
2answers
176 views
Configure a Sendmail subject using crontab
My cron job is running the following line:
*/40 * * * * cd /home/qa/prod/seo/casino && make testv 2> /dev/stdout | /usr/sbin/sendmail -t xxxx@gmail.com
As you can see I am using the ...
1
vote
2answers
208 views
Remove messages from sendmail queue matching subject
I'm running centos and have a rediculous amount of emails in the mailqueue due to a script error. Is there any way to remove messages that have a certain subject line in sendmail's mailqueue.
1
vote
1answer
48 views
sendmail.mc to fwd all mails for a domain -> First.Last@gmail.com (MX record already set up)
I'm currently using Google Apps to forward mails addressed to recipients at my domain balkan-preferans.de (176.9.40.169) to my address First.Last@gmail.com - this is done by the following DNS-zone ...
4
votes
1answer
410 views
Sendmail process failed with error code 67
Everything was worked fine but someday sendmail stop working on me.
I'am trying the following command line:
echo "Body text" | mail -s "Some subject" example@somemail.com
And got:
...
-1
votes
2answers
67 views
Sendmail Invoked by Unknown Process [closed]
On a webserver, I am seeing unknown processes invoking sendmail like
root 1544 1188 0 03:42 ? 00:00:00 sendmail: ./qBBJ2gNg014264 mail.furst.com.: user open
I have DROPed all SMTP ...
1
vote
2answers
209 views
maillog “No route to host” error
I have a CentOS server. It has sendmail installed but not used for a mail server. I forwarded the root email to another email address. However, I keep getting errors in maillog:
Dec 6 08:49:16 ...
1
vote
4answers
186 views
Is it possible to include subject lines in the default sendmail maillog?
CentOS 5.8
I'd like to be able to track an email based on Subject line. The default log of 9 in SendMail doesn't appear to include that information.
My questions are:
What is the minimum ...
1
vote
1answer
108 views
Can't Send Large Messages Using Sendmail CentOS 5
I have recently replaced a Fedora Core 3 server with one running CentOS 5 for the purposes of a mail relay in a DMZ.
My problem is that when the server is sending messages to a particular remote ...
8
votes
3answers
627 views
Linux- Is an MTA required?
My VPS image (Debian 6) comes pre-installed with sendmail as the MTA. I will use this server as a web server, and maybe other usages but not as a mail server. I want to remove as many unneeded ...
2
votes
1answer
131 views
How can I determine which queues/directories are being processed by SendMail queue runner?
I've got a CentOS box running multiple instances of sendmail. Each of those instances have separate queue directories.
As far as I know, I only have a single queuerunner process and I'm not sure if ...
0
votes
2answers
435 views
Block user from sending Email to the outside in SENDMAIL
I have a CentOS server with Sendmail installed and use Fetchmail for mail retrieval. My email server is working perfectly, but I now need to prohibit a user from sending emails to the outside.
How ...
1
vote
1answer
94 views
Sendmail's maillog polluted by dkim-filter
I just added domain keys to my sendmail configuration and everything appears to be working. However, upon reviewing the maillog I get a ton of these when an email gets sent or received:
Oct 4 ...
0
votes
2answers
344 views
PHP Mail Relay via Remote smtp Server [duplicate]
Possible Duplicate:
How to configure php.ini with remote SMTP?
We have a php application running on Linux which sends emails to there users. Currently its setup like php.ini is configured ...
1
vote
1answer
358 views
sendmail Name server timeout
Complete sendmail newbie here... I've been trying to get mailing to work in PHP and I've root caused it down to sendmail's complaint about "Name server timeout":
>sendmail -t -v
>From: ...
8
votes
2answers
155 views
Dealing with SMTP invalid command attack
One of our semi-busy mail servers (sendmail) has had a lot of inbound connections over the past few days from hosts that are issuing garbage commands.
In the past two days:
incoming smtp ...
0
votes
1answer
90 views
Send email from server to Google Apps email address (same domains) [duplicate]
Possible Duplicate:
Outgoing mail from linux not being delivered
I'm sending email from a server, let's say domain.com.
I also have Google Apps email set up for hosted email, same domain, ...
0
votes
1answer
67 views
Sendmail alias file escape character
i am trying to configure sendmail alias to escape '@' to treat it as a user for example
test\@domain.com:test@gmail.com,test1@gmail.com
I have user user test@domain.com in virtusertable as
...
1
vote
1answer
55 views
What is the failover logic when SendMail is smarthosting to a FQDN with multiple A records?
CentOS 5.x | SendMail
This is somewhat related to my other question about round robin but as it's more general, I thought I'd separate it out.
If SendMail is smarthosting to a FQDN with multiple A ...
-2
votes
1answer
806 views
sendmail failed to send mail: domain-does-not-exist error
I configured sendmail to send mail with a Gmail smtp relay, following the instructions in this article.
But when I try to send mail, it gets rejected. The error message is:
The original message was ...
1
vote
2answers
219 views
Does SendMail cache DNS records? If so, how can this be flushed and what logic does it use?
CentOS 5.x | SendMail
I have a SendMail server configured to smarthost to a FQDN (for the purpose of discussion, let's call it group.example.com). group.example.com originally had two A records ...
0
votes
2answers
61 views
How do I block most emails from being sent to a specific email address (unless they're on a whitelist)
CentOS 5.x | SendMail
I want to block most emails going to a specific sendmail mailbox unless they are on an approved "whitelist". Is this possible to do in sendmail?
-1
votes
2answers
290 views
Sendmail configuration on Linux
I'm running a perl script which wil create weekly report in CSV format. I want this report be emailed to the manager.
hence I am trying to configure Sendmail on my RHEL 5.6 server so that I can ...
0
votes
1answer
98 views
Duplicate key error when updating virtusertable.db in sendmail
In my virtusertable I have the following entry:
@fax.mydomain.com mail2fax.sh
Now I also want to forward all the inbound mail to another external domain while keeping my current setup, so I did ...
3
votes
2answers
648 views
Sendmail doesn't work with iptables, even though smtp and dns are allowed
I have sendmail installed on Ubuntu 10.04 solely for the use of the php mail() function. This works fine unless iptables is running (I've been using sendmail myemailaddress@domain.com to test this).
...
0
votes
1answer
206 views
How many entries can be specified in the sendmail SMART_HOST config line?
CentOS | Sendmail
I have the following line in my sendmail.mc file:
define(`SMART_HOST',`relay:[1.1.1.1]:[2.2.2.2]')
My understanding is that sendmail will always smarthost to 1.1.1.1 and then ...
0
votes
1answer
38 views
Sendmail dot-addressing
I need to be able to route mail to user.@ to user@. I know I can do it easily with + addressing, but the business requirement is for dot-addressing. The virtusertable file can't handle it - using ...
1
vote
1answer
1k views
Sendmail Configuration for Exchange Server
i need help for sendmail configuration in our linux machine.
Here the things:
I want to send email to outside by using our exchange server as the mail relay.But when sending the email through the ...
1
vote
1answer
47 views
Is there an easy way to convert a qf/df pair of sendmail files back into a “standard” MIME source?
I'd like to be able to take a qf / df file pair for a specific queued message and somehow convert it back to an original mime without the extra info SendMail adds. Is that possible?
1
vote
2answers
168 views
What is the difference between the sendmail submit queue and standard queue?
I'm confused on the purpose of the sendmail submit queue (by default /var/spool/clientmqueue). I think it's used to store messages when sendmail is ran in mail-submission program mode instead of ...
2
votes
1answer
292 views
Does snmpd support SNMP monitoring of SendMail queues?
CentOS 5.7 | SendMail 8.14.x
I've got a CentOS box running snmpd and I'd like to monitor sendmail queues. Is this natively supported by snmpd or will I need to do something special to monitor it?
1
vote
2answers
2k views
How to sendmail via command line piping
I have a cron command that runs a file and I'm trying to setup the output so it emails to me. I use this with 3rd party scripts that I don't want to modify the direct files, so I need to pipe the ...
2
votes
2answers
282 views
sendmail is using return-path instead of from address
I have a customer that is complaining about emails marked as spam.
I'm looking at the header. It shows the correct From: reg@company.com
However, it doesn't like the return-path.
Return-Path: ...
0
votes
2answers
366 views
Does SendMail Support Outbound TLS Encryption WITHOUT additions to the sendmail.mc file?
CentOS 5.x
Does SendMail support opportunistic TLS "out of the box"?
I'm used to having to explicitly add the following blurb to /etc/mail/sendmail.mc
define(`confAUTH_MECHANISMS’, `LOGIN ...
