Todd Herr, Author at SparkPost

Todd Herr is a member of the Deliverability team at SparkPost. He's got a varied background in the Information Technology field, with an emphasis on email and DNS. His email experience includes being a Postmaster in charge of anti-spam policy at a medium-sized ISP, contributing to RFC 6449 (Complaint Feedback Loop Operational Recommendations), working in email operations, and presenting at industry conferences

Mar. 13, 2020 by T. Herr

Email Authentication Can Accentuate the Positives, But It Doesn’t Always Eliminate the Negatives

Postmaster, Todd Herr, not only explains the value of email authentication (SPF, DKIM, and DMARC) but also its limitations.

Oct. 4, 2019 by T. Herr

Spamhaus' Crackdown on Abusers

Read up on the new changes renowned blacklist operator Spamhaus recently announced to its DNSBL (a.k.a. blacklist) products.

Mar. 28, 2018 by T. Herr

Bounce Classification Code Change

An update on a bounce classification code change we’re implementing in the coming weeks to make your sending experience as easy and painless as possible.

Mar. 23, 2018 by T. Herr

Adaptive Delivery®: A Better Way to Handle Message Rejection

Our Adaptive Delivery feature is a rules-based engine that undergoes constant tuning and training to give your mail a better chance of being delivered.

May. 8, 2017 by T. Herr

DKIM Validation: An Email Authentication Best Practice

An overview of DKIM validation including how to sign and validate work, interpreting DKIM signatures, what DKIM public keys look like and more.

Feb. 20, 2017 by T. Herr

Using Google Postmaster Tools

Senders can access a series of dashboards that display metrics about mail sent to Google users, called Google Postmaster Tools. Here’s how to use them.

Dec. 19, 2016 by T. Herr

SPF Authentication: An Overview and Best Practices

An overview of SPF authentication, how it works and how to incorporate it into a successful email authentication strategy.

Oct. 24, 2016 by T. Herr

Prime Sending Times: Using Prime Numbers to Improve Delivery

One of our deliverability experts shares how using prime numbers to determine prime sending times might have a positive impact on improving email delivery.

Apr. 13, 2016 by T. Herr

DMARC: How to Protect Your Email Reputation

Properly implementing the DMARC standard will help you to protect your email reputation. Here’s how to get started configuring DMARC.

Posts by Todd Herr