[Linux-aus] SMTP Server recommendations

[lists at ebourne.me.uk]

Hi Russell,

I run my postfix on Linode. They are lot more savvy and flexible than 
many other VPS providers, and have a range of locations to choose from 
for latency.

Despite having DMARC/SPF set up the problem is still one of server 
reputation. Companies and organisations using Microsoft's hosted email 
which is backed by outlook.com are a real problem. Despite trying to 
jump through the Microsoft white listing process I've had no luck with 
it.

For outlook.com I eventually gave up and put that through an SMTP relay 
service which has helped (using smtpd_sender_restrictions with 
check_recipient_mx_access). I use sendgrid.com which for my level of 
traffic is free, and has worked. In recent months gmail has started 
putting my emails in spam, even for people I regularly communicate 
with, and even if I reply to their emails. Gmail's spam filtering is 
clearly not very good. I might have to switch gmail destinations to 
route through sendgrid.net as well.

Regards,
Martin


On Fri, Jun 9 2023 at 07:43:19 +1000, Russell Stuart via linux-aus 
<linux-aus at lists.linux.org.au> wrote:
> I'm after an SMTP relay service, ie something that accepts email via 
> SMTP on some port other than 25, and relays it for me.
> 
> The reason is my families email server is one I run myself from a 
> server sitting a home on a NBN connection with a static IP, but I'm 
> moving house and will lose access to a static IP for a year or so.  
> The simplest thing seems to me to move my email server into a VPS, 
> but it seems VPS's now near universally block outgoing connections to 
> port 25 for new customers for understandable reasons.
> 
> The VPS providers say you should use an SMTP relay service instead, 
> and one even suggests a free one to use.  But the suggested free one 
> hasn't respond to my new account request.  There are others I can 
> try, but following the other Russell's example I thought I'd ask here 
> first.
> 
> 
> --
> Regards,
> Russell Stuart
> +61 438 805 133
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