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Questions tagged [dkim]

Questions about DomainKeys Identified Mail (DKIM)

0
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1answer
68 views

Opendkim won't start: can't open PID file?

This is the complaint I get from systemd: "opendkim.service: Can't open PID file /var/run/opendkim/opendkim.pid" As seen here: systemctl status opendkim.service puts out this: ● opendkim.service -...
0
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1answer
2k views

Can't install DKIM/Postfix on server 16.04

I have a new installation of Ubuntu and I'm trying to install DKIM/Postfix on it using this guide here. I ran the command apt-get install aptitude but this gives me the following error Job for ...
1
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1answer
2k views

unsafe map file /etc/mail/access.db: Permission denied

when sending mail through Sendmail an error is displayed: vectortrade sm-mta[16951]: NOQUEUE: SYSERR(root): hash map "access": unsafe map file /etc/mail/access.db: Permission denied what rights ...
0
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1answer
2k views

4.7.1 Service Unavailable - try again later

I'm not sure this is the best place for this question, but I have googled around and can't seem to find a resolution to my issue. Please feel free to redirect me somewhere else if necessary. :) So, I ...
0
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1answer
74 views

Google reports dkim passing for invalid host

I set up DKIM, SPF, and DMRAC on ubunutu server a month ago. Everything seemed to be working fine, until I received a curious DMARC report. A rouge server managed to send an email that passed DKIM ...
0
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1answer
149 views

PostFix hostname

I'm new to postfix and was wondering what hostname I should specify in my main.cf file. Is it the VPS hostname? or I can use one of the domains I host in the VPS as hostname? I'm trying to set up ...
1
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0answers
275 views

opendkim-genkey txt record in Ubuntu 14.04

After upgrading to Ubuntu 14.04 and generating keyfile using opendkim-genkey I've noticed the txt file is broken like: myselector._domainkey IN TXT ( "v=DKIM1; k=rsa; " "p=...
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3answers
23k views

Using DKIM in my server for multiple domains (websites)

I've read the tutorial posted by MountainX (Setup DKIM (DomainKeys) for Ubuntu, Postfix and Mailman), but I can't figure out how to apply these steps if I want to host and send e-mails for several ...
5
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1answer
6k views

12.04 POSTFIX openDKIM no DKIM signature

I followed the instructions in this post here's my postfix main.cf smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no append_dot_mydomain = no readme_directory = no # TLS parameters ...
22
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3answers
42k views

Setup DKIM (DomainKeys) for Ubuntu, Postfix and Mailman

I'm running Ubuntu 12.04 with Postfix and Mailman. I want to set up DKIM. DomainKeys Identified Mail, or DKIM, is the successor to Yahoo's "DomainKeys". It incorporates Cisco's Identified Mail. What ...
2
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1answer
2k views

What package replaces dkim-filter in 12.04?

Previously, I was using the dkim-filter package in Ubuntu 10.04 LTS for DKIM. That package is no longer in Ubuntu 12.04 LTS. What's the replacement or alternative? opendkim, maybe?