1 Topic by selea

  • selea
  • selea
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Topic: Mail from Facebook is blocked - ...appears to be on a dynamic IP addre

May 16 10:14:48 hashmal postfix/postscreen[210450]: CONNECT from [66.220.155.137]:45031 to [192.168.40.210]:25
May 16 10:14:54 hashmal postfix/postscreen[210450]: PASS NEW [66.220.155.137]:45031
May 16 10:14:54 hashmal postfix/smtpd[210563]: connect from 66-220-155-137.mail-mail.facebook.com[66.220.155.137]
May 16 10:14:54 hashmal postfix/smtpd[210563]: Anonymous TLS connection established from 66-220-155-137.mail-mail.facebook.com[66.220.155.137]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)
May 16 10:14:55 hashmal postfix/smtpd[210563]: NOQUEUE: reject: RCPT from 66-220-155-137.mail-mail.facebook.com[66.220.155.137]: 554 5.7.1 <66-220-155-137.mail-mail.facebook.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (66-220-155-137); from=<security@facebookmail.com> to=<admin@selea.se> proto=ESMTP helo=<66-220-155-137.mail-mail.facebook.com>

So, how do I whitelist emails from Facebook to my mailserver?

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2 Reply by ZhangHuangbin

  • ZhangHuangbin
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Re: Mail from Facebook is blocked - ...appears to be on a dynamic IP addre

FYI: https://docs.iredmail.org/upgrade.iredm … -hostnames

3 Reply by selea

  • selea
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Re: Mail from Facebook is blocked - ...appears to be on a dynamic IP addre

ZhangHuangbin wrote:

FYI: https://docs.iredmail.org/upgrade.iredm … -hostnames

Thanks, and once again I was reminded that I have to update.

Thank you again!