email function not working -- not isolated

I believe we are seeing the same thing also. Sending emails to officers@[] and sending emails to members@[] do not go through.    We are club 5688.

NOTE: sending meeting agendas to club members WITHIN the application, appears to be working fine.   That is, when you are on the AGENDA page, and you click the ENVELOPE icon.  You are then asked who you want to send the agenda to.  I sent it to speakers and the VPE and that email was sent as normal.


The error message for sending emails to officers@[ourclub].org  is the following:

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Forwarded message

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From: Mail Delivery Subsystem <MAILER-DAEMON@>
Date: Sun, Dec 14, 2025 at 5:09 PM
Subject: Returned mail: see transcript for details
To: <XX@>


The original message was received at Sun, 14 Dec 2025 22:09:00 GMT
from  [209.85.215.171]

   

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The following addresses had permanent fatal errors

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|/etc/
    (reason: 255)
    (expanded from: <>)

   

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Transcript of session follows

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Undefined subroutine &main::_safe_mime_header called at /etc/smrsh/ line 170, <STDIN> line 110.
554 5.3.0 unknown mailer error 255

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Forwarded message

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From: XX XX <>
To: Officers Goodclub Toastmasters <>
Cc: 
Bcc: 
Date: Sun, 14 Dec 2025 09:58:51 -0500
Subject: Scholarship Applicants
Hey guys!  It's 10 am Sunday and I think it's safe to say that anyone that wanted to apply has applied by now………
[Etc. Etc.]

resend the email it went before the system was ready.

What does that mean?