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(I'm using wrong terminology) It works because if there is no entry for *.domain.com the system will go one level up, to domain.com for the MX records. It even
by WirelessGigabit 3y ago
(I'm using wrong terminology) It works because if there is no entry for *.domain.com the system will go one level up, to domain.com for the MX records.
It even works multi-level, like x.y.domain.com will use the MX records of domain.com (provided there are none for x & y).
This is worth mentioning as x.y.domain.com does not work if you have a *.domain.com SSL certificate.
- tetrisgm 3y agoReally? Cool. Would you be comfortable sharing your dns settings and or fastmail domain settings? Cool if no but I wanna give this a go!
- WirelessGigabit 3y agoI don't use fastmail. I use Office365. It seems that fastmail only does *.domain.com and not *.*.domain.com: https://www.fastmail.help/hc/en-us/articles/360060591053-Plus-addressing-and-subdomain-addressing#subdomain https://www.fastmail.help/hc/en-us/articles/360060591053-Plu... Hope that helps