Actually, I think I found my spam source, and it is neither Roundcube or
Apache or Postfix. Well it is kind of Postfix, as I have quotas on
mailbox size.
I had two dormant mailboxes that had exceeded quota and I had set to
bounce messages if quota exceeded. The spammers had discovered this and
were using these accounts for their spam distribution.
Simple fix was to delete the dormant accounts. It was not some esoteric
Apache proxy behavior.
I was really shifting the straws around to figure out why my IP was
blocked for spamming...
On 9/8/18 11:22 PM, Frank Gingras wrote:
You should be asking the roundcube mailing list instead - httpd has
nothing to do with email, as stated previously.
On Thu, Sep 6, 2018 at 8:15 AM Robert Moskowitz <r...@htt-consult.com
<mailto:r...@htt-consult.com>> wrote:
On 09/06/2018 06:40 AM, @lbutlr wrote:
> On 05 Sep 2018, at 09:58, Robert Moskowitz <r...@htt-consult.com
<mailto:r...@htt-consult.com>> wrote:
>> So I suspect my apache server as a proxy relay.
>>
>> Is there a similar site to mxtoolbox that will test apache for
improper relaying?
> Are you allowing php? You should be able to root out any badly
behaved mail scripts.
>
> You should check exactly what your server is being blocked for.
For example, if you are on a dynamic IP there’s nothing
necessarily wrong with your configuration, you *will* be
blacklisted regardless.
>
> https://mxtoolbox.com/blacklists.as
>
Got a 404 on the above URL.
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