On 5/14/2020 6:03 AM, Mauricio Tavares wrote: >> I'm running an email server with Dovecot IMAP, Spamassassin, and ClamAV and >> that's a bit of a load so I suspect a Pi would be underpowered for that. >> > I really think it depends on the load, and only you have access > to the performance info to answer that. There are people running all > that in docker containers (I could swear I read about an "official" or > "officially blessed" postfix container in the postfix mailing list). The big load is that I have a couple hundred IMAP folders and any can receive new mail via server-side filters (procmail, but it could be sieve in the future). The client-side check for new mail anywhere in the tree is a pretty big hit. I'm using Thunderbird and Mulberry on Win10 at the same time for clients. (Each has its advantages and disadvantages, hence my use of both.)