Fwd: ezmlm warning

[cyg Simple <cygsimple@gmail.com>]

The below is a result of some attachment that was considered to be
vulnerable by my mail service.  Is there anything possible to do with
the filter sending these warnings?

> Remote host said: 552-5.7.0 This message was blocked because its
> content presents a potential security issue.

-------- Forwarded Message --------
Subject: ezmlm warning
Date: 30 May 2018 01:04:39 -0000
From: cygwin-help@cygwin.com
To: cygsimple@gmail.com

Hi! This is the ezmlm program. I'm managing the
cygwin@cygwin.com mailing list.


Messages to you from the cygwin mailing list seem to
have been bouncing. I've attached a copy of the first bounce
message I received.

If this message bounces too, I will send you a probe. If the probe bounces,
I will remove your address from the cygwin mailing list,
without further notice.


I've kept a list of which messages from the cygwin mailing list have
bounced from your address.

Copies of these messages may be in the archive.
To retrieve a set of messages 123-145 (a maximum of 100 per request),
send an empty message to:
   <cygwin-get.123_145@cygwin.com>

To receive a subject and author list for the last 100 or so messages,
send an empty message to:
   <cygwin-index@cygwin.com>

Here are the message numbers:

   212575

--- Enclosed is a copy of the bounce message I received.

Return-Path: <>
Received: (qmail 80790 invoked for bounce); 18 May 2018 09:25:34 -0000
Date: 18 May 2018 09:25:34 -0000
From: MAILER-DAEMON@sourceware.org
To: cygwin-return-212575-@cygwin.com
Subject: failure notice

Hi. This is the qmail-send program at sourceware.org.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.

<cygsimple@gmail.com>:
User and password not set, continuing without authentication.
<cygsimple@gmail.com> 173.194.202.26 failed after I sent the message.
Remote host said: 552-5.7.0 This message was blocked because its content
presents a potential
552-5.7.0 security issue. Please visit
552-5.7.0  https://support.google.com/mail/?p=BlockedMessage to review our
552 5.7.0 message content and attachment content guidelines.
f8-v6si3840726pgr.139 - gsmtp