this post was submitted on 19 Oct 2023
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Is there a selfhosted webmail client or solution that downloads and stores emails locally? (alien.top)
submitted 1 year ago by Redux28@alien.top to c/main@selfhosted.forum
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Hello all, i am not sure if plain webmail is the right category for what i'm looking for.

I already have a mail server running in a hosting VPS that has been running for years and handles sending and receiving emails without issues or being flagged as spam, what I'm trying to accomplish is:

  • Handling the storage of very old and large mailboxes (imap 20gb+) to my local server since my VPS is runing out of space.
  • Continue using the VPS email server to receive/send emails. Since i'm not at all interested in selfhosting the email server and dealing with all those issues.
  • Multiuser since several family members have the same issue.
  • Selfhosted so we can check/send email from any device/mobile.

Something that works similar (but obviously not selfhosted) is adding a POP3 account to Gmail/Outlook/etc and then adding the "send mail as" SMTP credentials of the server. I would like to replicate the same but selfhosted if possible.

Is there anything that works like this?

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[โ€“] gentoorax@alien.top 1 points 1 year ago (1 children)

How do you deal with outages on the local mail server VM do you queue mail?

What about sending mail as I know outbound smtp can be difficult to avoid getting spammed

[โ€“] talent_deprived@alien.top 1 points 1 year ago
  1. https://serverfault.com/questions/117906/what-happens-when-a-mail-server-goes-down

"The SMTP protocol is very resilient in design. Most modern MTAs will attempt to resend a message every 4 hours for up to 5 days though this is configurable by the particular systems admin there is usually very little need to change from this."

  1. Get a clean IP, there are many online sites that offer to check an IP: http://www.mxtoolbox.com/

Then make sure your server is configured well so it doesn't get a bad rep: https://www.linuxbabe.com/mail-server/setup-basic-postfix-mail-sever-ubuntu by setting up SPF, DKIM and DMARC.