We use Sendgrid in an Azure App-service, but since a week all sent messages are blocked. Spamhaus listed several Sendgrid IP-addresses in their SBL (Spamhaus Block List). Users of Sendgrid can't remove these Spamhaus entries. How to get it fixed?
1 Answers
Noticed the same thing and I've been looking at switching to Mailjet instead of Sendgrid. This article paints a rather bleak view regarding Sendgrid this article.
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