I regularly send messages back and forth between my phone and my mail server. The incoming messages would arrive from [email address removed per the Verizon Terms of Service].
The last message I sent successfully from my phone was October 11.
On October 25 I was unable get a message to go from my phone to my server, but they would and still do go the other direction.
Today I dug into my server logs and I find the following entry:
Nov 18 09:23:37 mail postfix/smtpd[102308]: NOQUEUE: reject: RCPT from bbtpnj33vzwvmta-c-rh-cmta-01-sms-02.vtext.com[63.59.39.234]: 450 4.7.1 <bbtpnj33vzwvmta-c-rh-cmta-01-sms-02-vtext-com.localdomain>: Helo command rejected: Host not found; from=<[email address removed per the Verizon Terms of Service]> to=<[email address removed per the Verizon Terms of Service]> proto=ESMTP helo=<bbtpnj33vzwvmta-c-rh-cmta-01-sms-02-vtext-com.localdomain>
It appears that the Verizon server is mis-configured and is appending "localdomain" instead of "vtext.com" on the HELO command.
I find it surprising that that has gone on for over a month without being discovered and fixed.
Am I misinterpreting what I am seeing and this is actually a problem on my end? All other email seems to go through without issue.
How can I reach into the bowels of Verizon and either get this fixed or at least identify the root cause?
Thanks!
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