Question
is anybody else having issues with delivering mail to charter.net?
I am suddenly having issues getting email delivered to charter.net and rr.com, which are both part of spectrum. I don’t know if the block is based on domain or ip or maybe a block of ips. I’m asking here on the off chance that a block on DO IPs got blocked for some reason.
SMTP via Posfix on CentOS
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So my concern here has started to move toward panic. We just got blocked by the msn.com and hotmail.com. The message clearly states that a range of addresses at our ISP are being blocked rather than an issue that is specific to our email sending. When I check our logs, outbound to msn.com and hotmail.com is small, but even one password reset confirmation not getting through is enough to be a problem. We have no problems for years and now we have encountered a couple of major blocks within the last few weeks. Has anybody else noticed a significant increase in email deliverability problems recently? Does DO have something significant going on here?