Check PTR/FCrDNS/SPF/DKIM/DMARC for messages coming from new IPs, and start to warm up new IP range by moving some fraction of traffic to it. For < 10K mails/day I don't think you have something to worry about.
You may have a problem if you are a mail forwarder, e.g. you manage a public mailing list and do not perform From: overwriting, because this kind of traffic usually requires whitelisting. 30.04.2018 18:35, Rob Nagler пишет: > Is there a way to "pre-register" IPs in preparation for a data center > move? There's been some discussion this list, but I didn't get a sense > of a definitive answer. > > We have held the new IPs (216.17.132.32/27 <http://216.17.132.32/27>) > for many months. The old IPs have been in use by us for two decades > for a handful of sending domains. I know the new IPs haven't been in > use by spammers and their reputation seems to be clean on the spot > checks I've done. We've also been using the new IPs to send some mail > (like this msg). The new IPs have been in the SPF records for many months. > > We have started to go to Google, MS SNDS, etc. Is that the best that > we can do? We could go to a reputation service, but this seems > overkill as we aren't an ESB, just ordinary (small) email lists and > aliases with a few monthly mass mailing (<10K lists). > > Thanks, > Rob > > > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop -- Vladimir Dubrovin @Mail.Ru
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