It was over a year ago and I believe that it was a case of someone who could not follow the unsubscribe message at the bottom or did not read that far and pushed the message to one of the RBL providers.

Another hint is to stick something in the mail message that will not get scrubbed by anonamizers if someone does post to an RBL.
At least you can then find the offending client and remove them.
Its a pain to have someone on your list that is pushing your messages to RBLs and not be able to remove them because the information you got from the RBL has all the usual tracking information removed.

On 07/25/2018 09:48 AM, ac via talk wrote:
Hi Alvin,

long time :)

Have you been black listed by an RBL for a mailing list sending
verification emails?

On Wed, 25 Jul 2018 09:26:04 -0400
Alvin Starr via talk <talk@gtalug.org> wrote:

Another thing is to make sure you have a valid email address by
sending an activation message.
Lots of people will provide bogus addresses either deliberately or
accidentally.
You also need to monitor your outgoing email or track the bounce
backs for email addresses that go away.

One of the problems you will face is that conventional wisdom is that
responding to an un-subscribe button is just a way that the spammers
validate your email address.
Also People will just tag the messages as spam causing you to get
black-listed.

Every few years I get blacklisted because I have someone running a
small mail-list related to a Knitting e-commerce web site.
The site admin is a good friend and I know they are very careful
about the mail addresses in the list but bad emails still leak in.



On 07/25/2018 02:06 AM, ac via talk wrote:
Hi Evan,

The quick answer is that there is no agreement on best practise for
unsub messages, the amount of verification (and time span of) and a
number of other abuse related issues.

Here is what I personally (wrongly or correctly) do:
Subscription (Opt in message / Confirm email message - 1 per day max
three days)
Unsubscribe - no message - just unsubscribe

never send any email from noreply@  I am not Google or Microsoft
(and even the dentist around the corner is now doing that *sigh*)

When subscriber does anything on a link (Web) - send a confirm your
request email

hth

Andre


On Wed, 25 Jul 2018 00:30:58 -0400
Evan Leibovitch via talk <talk@gtalug.org> wrote:
Hi all.

This question is asked of anyone who administers a mailing list
about policies. I'm setting up a campaign-based mailing system
using phplist (as opposed to a forum-type MLM such as Mailman) and
I'm interested to know what policies or best practices you might
have in place to address this specific question:

When a list subscriber goes to a link to change their preferences
or unsubscribe, from what email address does the confirmation (for
changes) or "sorry to see you go" message (for unsubscriptions)
originate.

Does such administrative email come from:
a) an identifiable member or the organization's staff?
b) a postmaster-type alias?
c) a do-not-reply address?

​Any feedback is appreciated.​
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