I first mentioned this idea yesterday. This morning I started implementing it. UPDATE: this strategy is mentioned in Scenic BGP Route | TechSNAP 137 at about 0:47:30. I back up my mail. On a regular and frequent basis. However, I wanted something more. What about the email which comes in between backups? How can I […]
Mail backups using newsyslog.conf for rotation Read More »
I’ve taken to the concept of sending a copy of each incoming email to a second server, for backup. This could be achieved by an alias. Store them in mbox format. Use newsyslog to rotate it over time. UPDATE: this strategy is mentioned in Scenic BGP Route | TechSNAP 137 at about 0:47:30. As part
Using mbox for mail backup Read More »
My mail server of choice is Postfix. I’ve been using it since 1992. It is what I install on all my servers. But that is going go change today. I just installed nullmailer on my DHCP server. When your machine just sends outgoing email, just as notices, you don’t need a full blown MTA. Something
Using nullmailer instead of a full blown mail server Read More »
I decided to set up some of my mail servers to require certification authentication on the submission port (587). In my case, I want to forward mail from my server at home to my public servers out there on the Internet. I don’t want just anyone to be able to submit mail here, so the
Postfix client certificate verification Read More »
I have a number of things I want to get done in the short term: remove the mail server on my gateway box at home and start using a mail server on an internal box Configure my external mail servers (out there on the Internet) to use TLS when talking to each other Configure those
Greylisting is an interesting approach to spam. I first started using it in the form of OpenBSD’s pf and spamd tools back in 2007. That said, I now let Google handle my incoming email. Today I was trying to get spamd-setup to run: spamd-setup: Can’t connect to spamd on port 8026: Connection refused I couldn’t
spamlogd not running; spamd-setup won’t run Read More »
Yesterday I was setting up a new server for a client / friend. During the setup, we had a brief period wherein mail was delivered to mbox instead of to Maildir. That is, we had mail sitting in /var/mail/USER instead of ~USER/Maildir, for a number of values of USER. At first, I tried using formail
Forwarding mail in mbox to elsewhere Read More »
I use Google calendar for a number of things. I also have my contacts in Google. I also use Google Mail, but also run a person mail server. So… I want to see my Google contacts on my phone and I want to see my Google calendars there too. There are a number of ways
Syncing my Google stuff with my Apple stuff Read More »
Here are a few SPF tools which I recently used. http://www.openspf.org/Tools – an email based tester http://tools.bevhost.com/spf/ – web based tester http://www.mailradar.com/spf/ – wizard to create SPF records http://www.mtgsy.net/dns/spfwizard.php – a wizard for setting up SPF I needed to alter some of my SPF records because they were out of date, and therefore, no longer
Recently, I saw this log entry: Jul 19 08:00:05 nyi Mailman mail-wrapper: Group mismatch error. Mailman expected the mail wrapper script to be executed as group “mailman other mail daemon”, but the system’s mail server executed the mail script as group “mailman”. Try tweaking the mail server to run the script as group “mailman other
mailman – Group mismatch error Read More »