Server :: Not Getting Sendmail To Sign Emails And Dk-milter

Mar 29, 2010

I configured dk-milter on a server and created dns records for that, But I'm not getting sendmail to sign emails. dk-milter configuration is correct but the problem with sendmail.

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Server :: How To DKIM Sign Emails By Amavisd-new

Oct 21, 2010

I work for a university institute and administrate its servers "incidently". Currently I am putting some work into our mail server configuration (sendmail 8.13.1 with amavisd-new-2.6.4). Recently I got amavis to verify DKIM signed mails. Now my plan was to sign outgoing Emails ourselves. This is what I have done (I replaced some names for privacy reasons):

I created a private key:

Code:
/usr/local/amavisd/amavisd genrsa /var/dkim/SEL1_DKIMkey.pem
Changed permissions for the user running amavis:
Code:
chown -R vscan.vscan /var/dkim/ && chmod -R 700 /var/dkim
Editet my /etc/amavisd.conf:

[Code]....

Send Testmails to sa-test@sendmail.net and check-auth@verifier.port25.com . They automatically create answer mails considering signature information.

Send emails to my external account at some other provider.

The problem is that amavis is not signing the mails. Both automatic test emails reported, that the mail had not been signed. The mail to my external account also did not contain any DKIM information.

"My" system:

Code:
# uname -r & cat /etc/issue
2.6.9-89.0.11.ELsmp
Red Hat Enterprise Linux AS release 4 (Nahant Update 8)

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I have gone through a good number of distros all the way back to Slackware but I'm struggling to get my brain moving in the right direction again. I am working to enable sendmail and, from what I've read, it appears that newer version of sendmail are installed with milter but I can't seem to locate this. I am running v11.4 so I'm wondering if this is just not the case? I don't have a problem reconfiguring/recompiling the sendmail conf files but would rather not if it's not required. For the record my ultimate goal is to have the spamassassin and clamav milter's installed and using the home server as our primary email.

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I am having sendmail server on RHEL 5. i want to scan emails. best Antivirus to scan emails.

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I have a 64bit linux server with 5 virtual hosts on it. When someone fills out a contact form on one of the sites...I get 15-20 copies of the same email. At first I thought it was the kids clicking send multiple times because the first emails were coming from the children's ministry "Email The Cast" section. But then I started getting multiples from the adult sites too. All contact forms are set to come to me.

What's stranger is that my registration section for one of the sites uses the SAME php script (different file) to email me a notification that someone has registered but I only get 1 copy of that.

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Debian :: Unable To Sign Emails With GPG Through Evolution

Feb 28, 2016

I get the following message when I try to send an e-mail with the option "PGP Sign" in Evolution:

Code: Select allCould not create message.

Because "gpg: skipped "67449612": No secret key gpg: signing failed: No secret key", you may need to select different mail options.

I have "Preferences > Mail Accounts > Edit > Security > OpenPGP key ID " set as 67449612, which is my subkey for signing, and this configuration has worked properly until two days ago when I upgraded a bunch of packages with evolution and gnupg among them. Since I am not sure this is really a bug or what package would it belongs to I am asking here first before submitting any bug.

I believe signing works and the secret subkey is "find-able" because I am actually able to do the following without any errors, and this is why I don't understand the error given by Evolution:

Code: Select all$ gpg --output random.sig --detach-sig random.txt

You need a passphrase to unlock the secret key for
user: "Rock Storm <rockstorm@gmx.com>"
4096-bit RSA key, ID 67449612, created 2016-02-21 (main key ID C96832FD)

$ gpg --verify random.sig random.txt
gpg: Signature made Sun 28 Feb 2016 11:47:47 AM CET using RSA key ID 67449612
gpg: Good signature from "Rock Storm <rockstorm@gmx.com>"

My gpg's keys configuration, notice that the "defaut-key" option in gpg.conf is commented out. This configuration worked for sending signed e-mails at least once before the upgrade.

Code: Select all$ gpg --list-keys rock
pub   4096R/C96832FD 2015-12-13
uid                  Rock Storm <rockstorm@gmx.com>
sub   4096R/7C2F5752 2015-12-13 [expires: 2018-03-12]
sub   4096R/67449612 2016-02-21 [expires: 2018-03-12]

[Code] ....

From the bunch of packages upgraded the ones I believe to be related to Evolution were the following:

Code: Select allgnupg:amd64 (1.4.20-3, 1.4.20-4)
evolution-data-server-common:amd64 (3.18.3-1, 3.18.5-1)
evolution-common:amd64 (3.18.3-1, 3.18.5-1)
evolution-data-server:amd64 (3.18.3-1, 3.18.5-1)
evolution-plugins:amd64 (3.18.3-1, 3.18.5-1)
libevolution:amd64 (3.18.3-1, 3.18.5-1)
evolution:amd64 (3.18.3-1, 3.18.5-1)

I searched current known bugs in Evolution and I could not find anyone related to this.

I tried downgrading it to the previous version but I wasn't able to downgrade every package related to Evolution. Curiously the previous version for some of them seems no longer available:

Code: Select all# apt-get -qq update
# apt-get -s install evolution-data-server=3.18.3-1
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Version '3.18.3-1' for 'evolution-data-server' was not found
# apt-cache show evolution-data-server | grep -i version
Version: 3.18.5-1
Version: 3.12.9~git20141128.5242b0-2+deb8u2

Anyway, downgrading only the following four packages did not resolve the issue, and I am still getting the same message in Evolution:

Code: Select allDowngrade: evolution-common:amd64 (3.18.5-1, 3.18.3-1), evolution-plugins:amd64 (3.18.5-1, 3.18.3-1), evolution:amd64 (3.18.5-1, 3.18.3-1) libevolution:amd64 (3.18.5-1, 3.18.3-1)
Current package's state:

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Sign emails with OpenDkim + Postfix + Ubuntu 10.04 64x. How-to implement a domain key signature using Postfix Ubuntu based email server. Implementing a domain key will help your outgoing email not being marked as SPAM by the receiving servers that implement DKIM signatures verification., i.e. Yahoo, Gmail, etc.

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Ubuntu :: Claws Mail - How To Setup GPG To Sign Emails Automatically

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I recently decided to switch back to a stand alone email client from gmail. I started with thunderbird, which had a very intuitive user interface and was working fairly well, except for the fact that when it wasn't supposed to be doing anything, it was taking up about 40% of my CPU (this is after it had downloaded all the emails, so there really wasn't anything that needed that much cpu usage from my perspective). After investigating that a bit, I decided I'm going to go for something lighter, and now I'm trying to claws-mail. This one is fast and quick, with very little bells and whistle, and I think it has the potential of keeping me happy.

However, there are few things that I can't figure out how to do. The two main ones right now are: How do I make it download all the emails in at least the inbox folder? I'm using imap protocol with gmail, and I'm happy that the two mailboxes are very well synced, however the only thing it is downloaded by default is the email header, and not the content. I would like to be able to download the content immediately, so I can read the email offline as well. How can I set up GPG to sign my emails automatically? In claws-mail to sign my emails, I need to go to the Options->Privacy Options->PGP Mime, followed by Options->Sign. Is it possible to make this the default option?

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Feb 2, 2010

I have Postfix and Spamassassin setup on Ubuntu Server 9.10. The mail is working perfectly. Spamassassin is correctly marking messages as spam. My problem is with the milter and procmail. On past servers I was able to reject spam based on score via the spamass-milter. For whatever reason I can not get it to work. I have also tried with procmail, again, it does not work. Here are the relative lines in their respective config files:

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Nov 1, 2010

I am using webmin for my daily tasks. I have fedora 13, whenever I click on ''Sendmail M4 Configuration'' or Outgoing Addresses (generics)'' I get the following error message

Quote:

The Sendmail M4 configuration base directory /usr/share/sendmail-cf was not found on your system, or is not the correct directory. Maybe it has not been installed (common for packaged installs of Sendmail), or the module config is incorrect. I read documentation at sendmail.org, it seems that structure of directories for send mail has been changed in version sendmail-8.1.4 shipped with FC13. In webmin config module we have

Quote:

Sendmail M4 base directory = /usr/share/sendmail-cf

which is not there. I did a locate / sendmail-cf on the command line, it finds nothing

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Mar 23, 2010

I have a problem my ubuntu is the latest distro but the shiftkeys are not working like when i whant an @ sign i cant make that sign the keybaord layout has been changed i even have done most of the solutions found on the site and no use.

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Ubuntu :: When Ever Try To Sign In To Messaging System It Gives This Message And Wont Let Sign In?

Feb 20, 2010

when ever i try to sign in to my messaging system it gives me this message and wont let me sign in,< Received unexpected response from [URL] useTLS=1 is not allowed for non secure requests.>

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Red Hat / Fedora :: Account Under Sendmail That All Emails Will Be Re-directed To "root"?

Jul 25, 2010

I created a new user "www". I can login with this user. I can send emails (using sendmail) from this user to other users. But this user cannot receive any email. All emails sent to "www" will go to "root" mailbox. Is "www" a special account under sendmail that all emails will be re-directed to "root"?

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Fedora :: Sendmail - Setup To Send / Send Emails With It?

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I'm writing a script that will send an alert email given certain conditions. I have the impression that sendmail is what I need to do that. I just don't know how to use sendmail at all. I assume I have to set it up like a typical mail client so that it has a mail server to log into to send from.

I've looked through the man pages, but I can't find anything in plain English there on how to set it up, or how to use it once it is set up.

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Server :: Sendmail Not Reading Default Sendmail.cf ?

Apr 1, 2010

I recently modified sendmail.cf to use a third party SMTP server to send emails. It works great. But when I run sendmail from the command line, I have to specify the -C flag and force feed it the location of my sendmail.cf, or else it doesn't work.

So in other words, the following works great:

However, if I don't specify the -C flag, sendmail doesn't consider what's in the sendmail.cf and barfs:

I don't run sendmail as a daemon. I'm only using it to send emails. I know my modifications of sendmail.cf are correct because it works perfectly when I use the -C flag. I searched my disk to see if I could find another sendmail.cf on the machine and only the one in /etc/mail came up.

Why sendmail is not reading my sendmail.cf?

I'm running Sendmail version 8.14.2 on Fedora Core 8.

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Additional: how to go to folder SENT of gmail ? and configureation eventually?

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I am newbie to postfix. I added a new domain to my postfix server in the main.cf under mydestinations variable and the relay_domains file. Also, added this domain to my backend exchange server. When I send a test message from the new domain, my messages from that domain appear to be stuck in the "queue active". What does it mean when you are stuck in this queue? Does this mean that my backend email server (exchange 2003) isn't allowing messages from this new domain OR that the POSTFIX server still needs configuring.

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I just tried to compile dk-milter (DomainKeys Milter) on a Fedora 13 x64 system and got this error:

Code:
make[2]: Leaving directory `/home/popicait/dk-milter-1.0.2/obj.Linux.2.6.34.7-61.fc13.x86_64.x86_64/libsm'
cc -O2 -I. -I../../include -D_REENTRANT -DXP_MT -c -o dk.o dk.c
cc -O2 -I. -I../../include -D_REENTRANT -DXP_MT -c -o rfc2822.o rfc2822.c
cc -O2 -I. -I../../include -D_REENTRANT -DXP_MT -c -o util.o util.c
ar crv libdk.a dk.o rfc2822.o util.o

[Code]...

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I am trying to built a mailserver using Sendmail + cyrus + amavisd + TLS authentication. All programs used are the latest versions shipped with OpenSUSE 11.4 I have set-up successfully sendmail+cyrus and I can send e-mail anywhere without a problem using authentication. But when I try to integrate amavisd-milter mail delivery hangs at 63% and the following message appears in /var/log/mail

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I have also uninstall all involved programs, deleted all conf files and re-installed them but alas without any success. The same configuration was used at least once with almost all previous SuSE/openSUSE versions since 1998.

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<postmaster@localhost.@mydomain.com.>... Real domain name required for sender address (in reply to MAIL FROM command))
Jul 27 13:15:59 smtp postfix/local[28465]: C68AC1000001: to=<root@smtp.mydomain.com>,

[code]....

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I recently setup an email server on Fedora Core (14). Sendmail is running and I am trying to authenticate from a client pc using imaps. I installed Cyrus-imap and it is running and listening on 993. When I try to login, it doesn't accept authentication even though I verified the user's password is correct. (tested with ssh)Is there something I have to do with Cyrus or on the server to allow connections to email? I have not used Cyrus before. I am attempting to access my mail folders via Sendmail and did not make mailboxes in Cyrus. I did allow imaps through the firewall.

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