My last post contained two (non-existent) email addresses in my baldric domain in the extract from my postfix logs. As I said in the post, I had edited the log entry specifically to mask real details. Yesterday, only four days after that post, I received spam email attempts at those addresses. As I have said …
Tag Archive: email
Mar 24 2012
android mail client is broken
In January of this year I wrote about t-mobile’s apparent policy of actively looking for and blocking any TLS-secured SMTP sessions over their network. At the time I believed this to be a cockup rather than a deliberate policy. I still prefer to believe that, but the episode left a rather sour taste in my …
Feb 14 2012
Досвидания камрад?
From a peak of around 25,000 mail drops per month in the backscatter I was getting from the .ru domain to the non-existent address “info@baldric.net” I am now seeing virtually none. My logs show a distinct drop off from mid to late December last year to about 10-15 emails per day (when I had previously …
Jan 12 2012
t-mobile resets its policy?
As I have mentioned in other posts here, I run my own mail server on one of my VMs. I do this for a variety of reasons, but the main one is that I like to control my own network destiny. Back in October last year I noticed an interesting change in my mail experience …
Dec 24 2011
bah, humbug
At this time of year it is traditional to receive christmas cards from people with whom you may have only infrequent, if any, contact on a normal daily basis. If you are in a relationship, these cards will often be addressed to you as a couple or family, and be signed on behalf of other …
Oct 10 2011
that looks like a scam to me
The volume of spam backscatter I am receiving at the baldric.net domain currently runs at around 18-20,000 emails per month, nearly all of which is aimed at the info@ address I have mentioned before. My mail server is currently configured to reject mail to non-existent users at the SMTP level with a permanent failure message …
Jul 18 2011
who are you going to call
Like most email users I get my fair share of spam and other internet crud. Mostly I ignore it, but I received an intriguing email a couple of days ago which purported to be a mailer daemon “Delivery Status Notification” informing me of a failed delivery to some address I had not even heard of. …
Mar 29 2011
irony is not dead
Installing counterize to analyse trivia’s logs has been instructive. I now know that some of my most visited pages are consistently those of a “how-to” nature (in particular, those about postfix, dovecot and, strangely, reflashing the old BT home hub). In many ways this is satisfying since one of the objectives of this blog is …
Mar 27 2011
from russia with love
A few weeks ago I installed pflogsumm on my mail server in order to automate my mail log scanning. For some time I had been conscious that my mailer had been rejecting a lot of mail with “user unknown” but I had never really investigated that in any depth. Running pflogsumm over the logs on …
Jan 23 2011
damn, I think I got hit by a 419er
I am normally pretty careful about my on-line security and privacy. I take a lot of care to ensure that my home network is nailed down tightly and all the clients and servers on it are also nailed down as well as I know how. I don’t use software which is susceptible to the majority …






