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Ask HN: Looking for a Backup Email Relay

9 points by litoE 5y ago

We operate a self-hosted email server, just a few users and very low volume. Our server delivers most of our outbound email directly to the destination servers, but, for various reasons, email from us to a few servers sometimes gets rejected. Up to now, the workaround has been to also have a Google G Suite account for our domain, and use the Google server to relay our email to those finicky domains. With Google G Suite/Workspace no longer being "free forever", we are looking for an alternative relaying server. Volume is minimal, probable fewer than 10 relayed emails per day. Any suggestions appreciated.

spansoa 5y ago
Maybe look into Zoho: https://www.zoho.com/ https://www.zoho.com/
tiernano 5y ago
2 Options: 1: Exchange Online Protection: https://www.microsoft.com/en-ie/microsoft-365/exchange/exchange-email-security-spam-protection https://www.microsoft.com/en-ie/microsoft-365/exchange/excha.... It can also filter incoming email before it gets to your main server. looks to be around $1 per user per month... 2: Migadu: https://www.migadu.com https://www.migadu.com. their micro plan allows you to run multiple domains, but is limited on outbound email numbers... they act as your in and outgoing provider... its about $20 for the year... Neither option is free, but at least someone won't pull the plug on the service... to an extent...
slowbdotro 5y ago
If volume low, a cheap option would be to use Postmark (buy credits not their subscription). I have nothing but good things to say about them. Otherwise, as you are already self hosting, getting a new box in a different datacentre (and provider) and use that for relaying could be an option. A tiny 1cpu, 512mb with an IP whitelist to your main server wouldnt set you back much. I bought a 2cpu 1GB for $40 annually.
elFarto 5y ago
I found SMTP2GO has a pretty good free tier, at 1000/month. https://www.smtp2go.com https://www.smtp2go.com
Ir0nMan 5y ago
migadu.com may be of interest to you. They are known for inexpensive low volume email for your domain.

9 points by litoE 5y ago

spansoa 5y ago

Maybe look into Zoho: https://www.zoho.com/ https://www.zoho.com/

tiernano 5y ago

2 Options: 1: Exchange Online Protection: https://www.microsoft.com/en-ie/microsoft-365/exchange/exchange-email-security-spam-protection https://www.microsoft.com/en-ie/microsoft-365/exchange/excha.... It can also filter incoming email before it gets to your main server. looks to be around $1 per user per month... 2: Migadu: https://www.migadu.com https://www.migadu.com. their micro plan allows you to run multiple domains, but is limited on outbound email numbers... they act as your in and outgoing provider... its about $20 for the year... Neither option is free, but at least someone won't pull the plug on the service... to an extent...

slowbdotro 5y ago

If volume low, a cheap option would be to use Postmark (buy credits not their subscription). I have nothing but good things to say about them. Otherwise, as you are already self hosting, getting a new box in a different datacentre (and provider) and use that for relaying could be an option. A tiny 1cpu, 512mb with an IP whitelist to your main server wouldnt set you back much. I bought a 2cpu 1GB for $40 annually.

elFarto 5y ago

I found SMTP2GO has a pretty good free tier, at 1000/month. https://www.smtp2go.com https://www.smtp2go.com

Ir0nMan 5y ago

migadu.com may be of interest to you. They are known for inexpensive low volume email for your domain.