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Comment by tptacek | Hacker News Reader

You're seeing Yahoo inbounds with TLS enabled? Because the service posted downthread seems to show that Yahoo won't accept inbound mail with TLS.

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> Edit: sorry, I reversed the polarity wrt. your question. This confirms the other finding, i.e., Yahoo sends via TLS but doesn't accept.

I am. I sent this message to my personal domain from my Yahoo Mail account just now:

  Jun 16 01:46:01 shell postfix/smtpd[29319]: connect from nm4-vm6.bullet.mail.gq1.yahoo.com[98.136.218.165]
  Jun 16 01:46:01 shell postfix/smtpd[29319]: Anonymous TLS connection established from nm4-vm6.bullet.mail.gq1.yahoo.com[98.136.218.165]: TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)

However, it appears that Yahoo's MX did not accept TLS for my outbound reply. That's concerning....

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