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AuthorForum: PowerTCP Email Validation for .NET
Topic: Hotmail accounts give output Spamhaus
cisberner
cisberner@hotmail.com

From: Oranjestad, Aruba
Posts: 3
Member Since: 08/02/18
posted August 2, 2018 3:51 PM

When checking any hotmail address using PowerTCP the following output gets generated:

The validation of cisberner@hotmail.com proceeded to the SmtpRecipient level. The following exception occurred: Dart.PowerTCP.EmailValidation.ValidationException: Validation to the SmtpRecipient level failed. ---> System.Exception: Bad response received from server: 550 5.7.1 Client host [87.132.129.173] blocked using Spamhaus. To request removal from this list see http://www.spamhaus.org/lookup.lasso (S3130). [HE1EUR01FT036.eop-EUR01.prod.protection.outlook.com]

  at Dart.PowerTCP.EmailValidation.SmtpTester.a(String A_0)
  at Dart.PowerTCP.EmailValidation.SmtpTester.b(String A_0)
  at Dart.PowerTCP.EmailValidation.g.a(ValidationState A_0, ProgressEventHandler A_1, Boolean A_2)
  --- End of inner exception stack trace ---

is there a way to configure PowerTCP to ignore Spamhaus warnings? Or is this something I might be doing wrong?
Thanks in advance for any help!
Nick B (Admin)

From: Utica, NY USA
Posts: 614
Member Since: 05/25/10

Extra Support Options
Custom Application Development

posted August 3, 2018 5:35 PM

Hello,

If this applies for all accounts on the domain, you can add it to the blacklist. You could catch and ignore such exceptions by whatever criteria you choose.

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