2:13
DevOps & SysAdmins: email backscatter returns not seen on mail server
Roel Van de Paar
3 views
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2:25
DevOps & SysAdmins: Prevent mail server (sendmail) used to backscatter
Roel Van de Paar
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1:40
DevOps & SysAdmins: How to stop Backscatter (NDR) from spoofed Mail address?
Roel Van de Paar
48 views
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1:22
2:47
8:40
2:18
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2:09
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1:47
2:16
DevOps & SysAdmins: Mail Server allow sending spam to hosted mailboxes
Roel Van de Paar
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29:23
Will you get 10/10? How to stop e-mail spoofing with DMARC, SPF and DKIM
David Bombal
64.8K views
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2:54
1:23
DevOps & SysAdmins: server listed in backscatterer twice in 2 months
Roel Van de Paar
15 views
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3:04
DevOps & SysAdmins: Setting up new mail server and avoiding spam filters
Roel Van de Paar
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1:51