#1586 new
Damon Permezel

Weird HELO causes my SMTP server to reject.

Reported by Damon Permezel | November 25th, 2016 @ 01:41 AM

Nov 25 11:28:16 hubris postfix/smtpd[3574]: connect from lust.example.com[]

Nov 25 11:28:16 hubris postfix/smtpd[3574]: NOQUEUE: reject: RCPT from lust.example.com[]: 554 5.7.1 <contact@cendio.se>: Relay access denied; from=<dap@example.com> to=<contact@cendio.se> proto=ESMTP helo=<[]>

When I send from lust to hubris the HELO used is not the IF addr used to send the message.
The address cannot be being used, as there is no VLAN path setup. The correct return address is as is seen in the RCPT.

Even though I have added the interface on lust so that postfix adds the to the 'mynetworks' list, I still get the reject.

I assume this is because I have not setup a reverse mapping for

How do I get MailMate to supply the correct HELO?

Comments and changes to this ticket

  • Damon Permezel

    Damon Permezel November 25th, 2016 @ 06:54 AM

    Turns out I do have the reverse DNS correctly setup. At least on hubris. lust is a mac, so precisely what it is doing for any particular process at any given time is a mystery.

    MailMate needs to get the HELO hostname it presents correct, not choose an arbitrary interface address.

    For the time being, I have been forced back to Mail.app, as much of my email will be sent thru hubris.

  • Damon Permezel

    Damon Permezel November 25th, 2016 @ 07:33 AM

    Never mind. Although the HELO is bogus, it was not the reason for the reject.

  • benny

    benny November 25th, 2016 @ 07:42 AM

    • State changed from “new” to “resolved”

    Ok. For the record, MailMate has some hidden settings to force the value used, MmSMTPFixedIP and MmSMTPFixedHostname.

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