[Mailman-Users] 1-click unsubscribe and Google gmail

Mark Sapiro mark at msapiro.net
Tue Sep 29 04:00:17 CEST 2015

On 09/28/2015 03:42 PM, Hung Phan wrote:
> Hello,
> We notice that our 1-click unsubscribe
> option %(user_optionsurl)s?password=%(user_password)s&unsub=1&unsubconfirm=1
> doesn't get interpreted correctly by gmail. The whole text get displayed as
> is while other email systems like yahoo translates it into a clickable
> link.

msg_header and msg_footer are either added as plain text to a text/plain
message or added as separate text/plain parts to a more complex message.

I.e., the footer itself is always plain text. Whether something that
looks like a URL in plain text is rendered as a clickable link is
completely up to the MUA (mail client) rendering the message. If gmail's
web client doesn't render plain text URLs as links, that is up to gmail.

It may be (I don't know and haven't tried to verify) that gmail treats
plain text that looks like a URL differently depending on whether it is
in a plain text message body vs. in a plain text attachment to an HTML
or multipart alternative message. If that is the case, the FAQ at
<http://wiki.list.org/x/4030707> may help.

Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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