Sending Emails

January 7, 2018


When action mailer fails to deliver to Hotmail/Outlook email accounts… A short note on sending mail from a Rails application ( action_mailer ) to a Microsoft Hotmail account, but the email never arrives in Hotmail/Outlook. After investigation, it looks like Hotmail probably only likes one email address per origin / server IP address. If you send an email from the same server but change the email address, then hotmail will silently block it. ... Read more

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