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One thing worth noting if you consider running any mail server yourself - is checking the IP address / range that your VPS provides you. I've had outbound email
by gingerlime 12y ago
One thing worth noting if you consider running any mail server yourself - is checking the IP address / range that your VPS provides you. I've had outbound email blocked or blacklisted with IPs from DigitalOcean - especially on Yahoo, whereas Linode or AWS give you better reputation.
It was virtually impossible to get unlisted on Yahoo for IPs that are owned by the hosting provider, and I'm not sure all providers would make the effort of doing this on your behalf.
I suspect lower-end VPS providers are even worst in that respect.
- joshdata 12y agoMail-in-a-Box includes a check like this in its setup script, actually. [I'm the guy behind the project.]
- gingerlime 12y agoThat's cool. I just had a look, and noticed a couple of rbl checks. Very smart idea. However, I have to say, I had occasions where the IP was not listed on any RBL, but Yahoo was still flagging my IP. I don't remember the exact error Yahoo were returning, but I think it was basically blocking all email... Perhaps even from the entire network range, since it was listed as residential or something of that sort (apologies, but I really don't remember the exact details, it was quite a while ago)
- joshdata 12y agoYup, didn't mean to imply that I had solved the whole problem. :)