Questions tagged [postfix]

19 questions
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Unrecognized mails sent from my mail server - please help to find the "hole"

Since about 2 weeks, I am receiving from time to time (about 2-3 times per week) similar emails: What do I have: A VPS (webserver) with Wordpress, configured to send emails via SMTP, thanks to the WP SMTP Mail plugin. A VPS - only mailserver What…
Pikk
  • 101
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spam that penetrated reject_sender_login_mismatch in postfix

We have the following in postfix's main.cf: smtpd_recipient_restrictions= permit_sasl_authenticated, permit_mynetworks ... smtpd_sender_restrictions = permit_mynetworks, reject_sender_login_mismatch ... yet we just received the following spam: To:…
John
  • 101