On Mon, 27 Oct 2025 22:20:52 -0500 "Robert B. Carleton" <[email protected]> wrote:
> I have an issue with email providers throttling receipt of outbound > mail from my MTA. Most of the time, it only handles my email, with > maybe 10 emails being sent outbound a week. All the usual SPF, DMARC, > and DKIM scaffolding is setup. > > One of the sites I host is a non-profit with monthly meetings. There > are around 50 members. Once a month, a announcement email is sent > out. When it's sent out, it takes about a day for the queue to clear, > because the MTA is immediately throttled for sending multiple emails > per provider. > > I tried setting "smtp limit max-mails" to various values, but I'm > still getting throttled. Most of the non-profit members have Google, > Yahoo, or outlook.com accounts. Does anyone have suggestions for > better settings? I'm running OpenBSD 7.8. > > If the emails get sent out over a 24 hour period, that's no big deal. > I'm just trying to avoid getting marked as an excessive sender. I'd > be grateful for any suggestions. > > TIA, > > --Bruce > > One of my servers is blacklisted on outlook.com. In the end I just set up a forwarder from one of my domains to the outlook.com address. Perhaps you could try doing this for your mailing list?
