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Every year there’s chatter in here about email providers going down but it seems that this year most observed only a few minor hiccups!
On my end, this code I shipped helped a lot. We give people very generous rate limits in Bento but we shipped code to dynamically put accounts into a mode that bypasses all of them for this weekend. This prevented accounts doing weird things today getting temp banned.
We saw a huge increase at @Bento of customers sending way more email per brand today too. How much more? On average people sent 2.5x more emails than last year. Many people were sending 6 emails just in a single day(!!!). We also saw a lot more people mixing up content alternating between well designed emails and simple plain text formats. Those that sent more email, to engaged lists, did better than those that just send one email.
Every year there’s chatter in here about email providers going down but it seems that this year most observed only a few minor hiccups!
Across all email service providers Tatami tracks we also saw a decent uptick in domain rate limits due to people emailing dead lists. This severely impacted the performance of campaigns because once a domain is hit with this block NO EMAIL will get to Gmail until midnight (est. when the rate limit is reset). To avoid these, unengaged subscribers should have been warmed up months ago so Google knows they’re active otherwise it just looks like you’re cold emailing 100k people. Bounce reasons were: “421 4.7.28 Gmail has detected an unusual rate of mail originating from your DKIM domain [domain]. To protect our users from spam, mail sent from your domain has been temporarily rate limited. For more information, go to https://t.co/4DBzBHioP2 to review our Bulk Email Senders Guidelines.” and “421 4.7.28 Gmail has detected an unusual rate of mail originating from your SPF domain [domain]. To protect our users from spam, mail sent from your domain has been temporarily rate limited. For more information, go to https://t.co/4DBzBHioP2 to review our Bulk Email Senders Guidelines.” Most people for both of these bounce reasons at the same time.
We saw a huge increase at @Bento of customers sending way more email per brand today too. How much more? On average people sent 2.5x more emails than last year. Many people were sending 6 emails just in a single day(!!!). We also saw a lot more people mixing up content alternating between well designed emails and simple plain text formats. Those that sent more email, to engaged lists, did better than those that just send one email.
Most inbox providers performed well today with only Comcast choking around midday. They started showing “452 4.1.0 ... sender rejected (too busy for now)” which most ESPs classified as a hard bounce but later to a deferral (SendGrid reacted quick to this so props to them). In the graph below you can see the bounces (red) turn into deferrals (yellow) to retry later.
Across all email service providers Tatami tracks we also saw a decent uptick in domain rate limits due to people emailing dead lists. This severely impacted the performance of campaigns because once a domain is hit with this block NO EMAIL will get to Gmail until midnight (est. when the rate limit is reset). To avoid these, unengaged subscribers should have been warmed up months ago so Google knows they’re active otherwise it just looks like you’re cold emailing 100k people. Bounce reasons were: “421 4.7.28 Gmail has detected an unusual rate of mail originating from your DKIM domain [domain]. To protect our users from spam, mail sent from your domain has been temporarily rate limited. For more information, go to https://t.co/4DBzBHioP2 to review our Bulk Email Senders Guidelines.” and “421 4.7.28 Gmail has detected an unusual rate of mail originating from your SPF domain [domain]. To protect our users from spam, mail sent from your domain has been temporarily rate limited. For more information, go to https://t.co/4DBzBHioP2 to review our Bulk Email Senders Guidelines.” Most people for both of these bounce reasons at the same time.
Most inbox providers performed well today with only Comcast choking around midday. They started showing “452 4.1.0 ... sender rejected (too busy for now)” which most ESPs classified as a hard bounce but later to a deferral (SendGrid reacted quick to this so props to them). In the graph below you can see the bounces (red) turn into deferrals (yellow) to retry later.
Across all email service providers Tatami tracks we also saw a decent uptick in domain rate limits due to people emailing dead lists. This severely impacted the performance of campaigns because once a domain is hit with this block NO EMAIL will get to Gmail until midnight (est. when the rate limit is reset). To avoid these, unengaged subscribers should have been warmed up months ago so Google knows they’re active otherwise it just looks like you’re cold emailing 100k people. Bounce reasons were: “421 4.7.28 Gmail has detected an unusual rate of mail originating from your DKIM domain [domain]. To protect our users from spam, mail sent from your domain has been temporarily rate limited. For more information, go to https://t.co/4DBzBHioP2 to review our Bulk Email Senders Guidelines.” and “421 4.7.28 Gmail has detected an unusual rate of mail originating from your SPF domain [domain]. To protect our users from spam, mail sent from your domain has been temporarily rate limited. For more information, go to https://t.co/4DBzBHioP2 to review our Bulk Email Senders Guidelines.” Most people for both of these bounce reasons at the same time.