Mailing Issues

I’ve come across an issue where one of my clients suddenly stopped receiving emails from his website contact form.  Checking various blacklists can sometimes result in the solution: https://www.spamhaus.org/lookup/ http://www.abuseat.org/lookup.cgi However, in this case, the client manages his own domain and mail.  The zone file for the domain in question looks like this: A “mail”…

Alias your gmail address

I came across an article that talked about how to get around using the same email for two different Twitter accounts: http://grouptweet.com/blog/twitter-tip-create-multiple-twitter-accounts-with-the-same-email-address   To me, the article suggested that there would be a way to link two Twitter accounts to a single sign-on.  Really, the article was about calling out the “default address” for gmail.…

Repairing mail through CDN

A short while ago, I updated blueprintq.com to go through a CDN.  Today, I noticed that I was not receiving email; although, I was able to continue sending. CDNs inject themselves by updating the zone file’s “A” domain record.  Evidently, CDNs can also update other records.  Sure enough, that’s what happened here.  This is what…

Searching your gmail account

At the top of the gmail screen is a textbox that acts as a filter against all existing email.  Typically, you might use this textbox to search for emails with specific terms found in the body.  However, this textbox has a whole lot more to filter against. Here’s a list of all the special syntax…