Any recommendation for outgoing mail relay provider?
reddit / selfhosted

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sylvainm · 2023-11-23 18:02

I've got a couple domains I selfhost and I used Spectrum's
[mail.twc.com](https://mail.twc.com) smtp server for my smarthost. I
few weeks ago I noticed I couldn't send mail to my gmail using my
domains and never received a bounce back with the error. Today I
started getting a error finally, but it looks like I can't send out
anything that doesn't match my spectrum email. Trying to figure out my
best course of action that is free. I only send around 200
emails/month across all my domains. I've got a oracle free tier but
this might be against their TOS. It seems my options are resend or
sendgrid free tiers?


\`\`\`
Action: failed
Status: 5.1.0
Remote-MTA: dns; [mail.twc.com](https://mail.twc.com)
Diagnostic-Code: smtp; 550 5.1.0  sender rejected. The
email address you are sending as must match the email address you used
to
auth. Please check your SMTP settings. AUP#Out-1500
\`\`\`

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bz386 · 2023-11-23 18:19

smtp2go.com. Up to 1000 emails per month free (up to 200 per day).

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geo38 · 2023-11-23 20:17

sendgrid works for me.

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AlexFullmoon · 2023-11-24 07:11

Hmmm. Is that actually a problem?

I'm just using SMTP server of my email provider, just like in my mail
client. Never had any trouble over a couple hundred notifications I
send per month. As added benefit, if your mail provider is large, it
won't have problems with sending mail to gmail and such.

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subven1 · 2023-11-24 09:42

Many suggest Amazon SES as it is dead ass cheap. Free tier SMPT relay
services often add advertising lines or other shenanigans to mails. I
use mailjet but it is quiete expensive. I send under 10k mails per
month but sadly most SMPT services do not have small/mid tiers.