September 2015 in spamtraps: ESPs
The percentage of ESP sent mail vs all mail seen in the spamtraps has risen, being 1.4% in September. I have no explanation for this so far.
|1||SendGrid||11.2%||Heavy spikes from two customers|
|2||SalesForce Marketing Cloud||10.5%||The ESP Formerly Known as ExactTarget|
|3||MailChimp||8.5%||75% MC proper, 25% Mandrill|
The runners-up (at 1.5% each) this month are Rackspace Mailgun, Digital River and Apsis.