In past 48 hour we see massive increase in spam attempts, have comcast previously blocked port 25 outbound? and now removed that block?
We used to see a lot of spam from them, but seen very little in past few year, only the odd RBL blocking, but for 2 day now we see near 1800 spam attempts from multiple comcast ranges PER HOUR, most are caught by spamhaus. So some bad change is made with comcast. we are considering AS filters to end their madness On Mon, May 26, 2025 at 6:46 PM Gioele Pannetto via mailop < mailop@mailop.org> wrote: > Hi mailop list, > one of our customer is experiencing problems with two of his domains > while delivering messages to @comcast.net addresses. > The problems are two: > - One domain is getting throttled with this error code: RL000003 > - The other domain is is able to deliver but its emails are marked as > spam > > I tried contacting Comcast but there isn't a way of contacting them > directly, the xfinity support portal requires an American phone number > (which we don't have), and the feedback.comcast.net website seems to be > offline for over a week. > > Is someone from Comcast/Xfinity in this list, or someone who had a > similar problem that can help us? > > -- > > Thanks, > Gioele Pannetto > On behalf of Qboxmail > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://list.mailop.org/listinfo/mailop >
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