I have followed this setup (https://help.ubuntu.com/community/PostfixVirtualMailBoxClamSmtpHowto) without the clamav part. For the last days it works pretty good.

After that i dont recieve email at mail-tester.com and hotmail.com. Other email adresses are properly working, like Gmail.

The logs are as follows:

Aug 1 19:30:27 dropletname postfix/smtpd[24405]: connect from unknown[myip]
Aug 1 19:30:27 droplet
name postfix/smtpd[24405]: B181FA5594: client=unknown[myip], saslmethod=CRAM-MD5, saslusername=info@domainna.me
Aug 1 19:30:27 dropletname postfix/cleanup[24410]: B181FA5594: message-id=55BD0230.3070001@domainna.me
Aug 1 19:30:27 droplet
name opendkim[1364]: B181FA5594: DKIM-Signature field added (s=mail, d=domainna.me)
Aug 1 19:30:27 dropletname postfix/qmgr[24398]: B181FA5594: from=info@domainna.me, size=726, nrcpt=1 (queue active)
Aug 1 19:30:27 droplet
name postfix/smtpd[24405]: disconnect from unknown[myip]
Aug 1 19:30:29 dropletname postfix/smtp[24411]: B181FA5594: to=web-mE2sIR@mail-tester.com, relay=mail-tester.com[94.23.206.89]:25, delay=1.9, delays=0.12/0/0.24/1.6, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 31229B8258)
Aug 1 19:30:29 droplet
name postfix/qmgr[24398]: B181FA5594: removed

It looks good (status=sent). But mail-tester.com never receives it.
DKIM and SPF are good.

What can be the problem?

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1 answer

Mail test did receive it - http://www.mail-tester.com/web-mE2sIR

Hotmail is too picky and doesn’t like receiving emails from new mail servers even if they are signed and have proper records.

Go this to this URL - https://postmaster.live.com/snds/addnetwork.aspx
Enter your IP address (188.166.96.144), and choose an “*@ricktop.nl” to authorize your IP.

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