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To get SMTP username and password, you use an AWS IAM credentials, but need to derive the password from the IAM secret key: https://docs.aws.amazon.com/ses/latest/dg/smtp-credentials.htmlhtml#smtp-credentials-convert (ruby code: https://gist.github.com/damusix/c12400ee0ccb7e56351619ae2b19a303?permalink_comment_id=3077509 )
(There may be another way to get them from SES console… for some reason accessing AWS SES console it makes us set up from scratch including verifying our domain, when in fact SES is already working for us…. not sure what’s going on here).
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ActionMailer::Base.mail(from: 'no-reply@sciencehistory.org', to: 'erubeiz@sciencehistory.org', subject: 'Test message from Eddie. Please ignore.', content_type: 'text/html', body: 'Testing').deliver_now
DKIM
We started using DKIM to prove our ownership of the sciencehistory.org email domain in March 2024.
See settings in AWS .