CB - Mass Mailing - SMTP code: 503

fdinkler
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13 hours 37 minutes ago - 13 hours 11 minutes ago #340152 by fdinkler

CB - Mass Mailing - SMTP code: 503 was created by fdinkler

Server configured to use AWS SES, tested as working.

Mass mailing configured for default send - 50 in a batch, 30 seconds between batches.

Attempting to send 110 mass mailings, the server sends the first 12 emails, then all the remaining queued emails are returned as errors:

Code:

ROBERT RAPER <XXXXX@XXXX.COM>: Error sending email: The following From address failed: webserver@renoballoonregistration.com : MAIL FROM command failed, Sender already specified. ,503,SMTP server error: MAIL FROM command failed Detail: Sender already specified. SMTP code: 503

Last edit: 13 hours 11 minutes ago by fdinkler. Reason: Correction - not CB Subs, just CB

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krileon
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12 hours 5 minutes ago #340156 by krileon

Replied by krileon on topic CB - Mass Mailing - SMTP code: 503

Believe that happens if you try sending with a From Address that doesn't belong to that SMTP mail server. So basically the domains have to match or security kicks in and rejects the sending.

Kyle (Krileon)
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