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Category: Best Practices

What to do when an important email bounces

Some emails are more important than others. I know, I know, all emails are important, but really, some are more important than others. I’ve recently been decluttering by the simple expedient of enrolling in paperless statements for some of our accounts. We have a 1TB NAS, I’m not going to run out of storage space […]

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Bad SPF can hurt your reputation

Can a bad SPF record ruin your delivery, even though all your mail still passes SPF? Yes, it can. One of our clients had issues with poor delivery rates to the inbox at gmail and came to us with the theory that it was due to other people using their domain to send spam to […]

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Updated M3AAWG Best Practices for Senders

M3AAWG has published a new version of the Senders Best Common Practices document and the contains a lot of new information since the original publication in 2008. The new document covers how to vet ESP customers, considerations when selecting a dedicated or share IP to send mail, and includes best practices on a number of technical […]

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‘Tis the season

It’s the time of the year, when we celebrate a holiday by telling you about email.

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Content marketing

There are a lot of mailing lists I’m on simply because I can’t be bothered to unsubscribe. Every week or every few days mail shows up in my inbox. I may look at the subject line, I may even open the message. But most of it is not interesting. It’s yet another sale at Sur […]

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Dodging filters makes for effective spamming

Spam is still 80 – 90% of global email volume, depending on which study look at. Most of that spam doesn’t make it to the inbox; ISPs reject a lot of it during the SMTP transaction and put much of rest of it in the bulk folder. But as the volumes of spam have grown, ISPs […]

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New Year’s Resolutions

“Figure out what email is.”

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M3AAWG Recommends TLS

SSL or Secure Sockets Layer is protocol designed to provide a secure way of transmitting information between computer systems. Originally created by Netscape and released publicly as SSLv2 in 1995 and updated to SSLv3 in 1996. TLS or Transport Layer Security was created in 1999 as a replacement for SSLv3. TLS and SSL are most […]

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Brief DBL false positive

A code glitch in a new DBL sub-zone known as 'Abused-Legit' caused the new Abused-Legit zone to list ".net." for 60 minutes from 08:35 UTC. — The Spamhaus Project (@spamhaus) December 17, 2014 Spamhaus are rolling out a new subzone of the DBL, for domains whose webservers have been compromised and used to host spam […]

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Spam is about invading other people’s space

At the recent Sendgrid Emailmatter’s conference Sally Lehman advised attendees to “Treat someone’s inbox like it was their home.” This is advice I’ve been giving clients for a long time. I think it’s even more relevant now as so many people have data enabled phones and are checking email so frequently. It’s not just their […]

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