Re: embarrassing mail problem

2022-10-06 Thread Steven Shockley
On 10/5/2022 5:04 PM, Steve Fairhead wrote: I have several OpenBSD email servers, some elderly (Sendmail) and some brand-spanking new (smtpd). Recently I've noticed that some (of both kinds) are failing to deliver mail to some major UK ISPs. (Mostly domestic; business ISPs not so much.) For

Re: embarrassing mail problem

2022-10-06 Thread Stuart Henderson
On 2022-10-05, Steve Fairhead wrote: > I have several OpenBSD email servers, some elderly (Sendmail) and some > brand-spanking new (smtpd). Recently I've noticed that some (of both > kinds) are failing to deliver mail to some major UK ISPs. (Mostly > domestic; business ISPs not so much.) > >

Re: embarrassing mail problem

2022-10-05 Thread Jeremy Mates
On Wed, Oct 05, 2022 at 10:04:36PM +0100, Steve Fairhead wrote: > For Sendmail, the error is "TLS handshake failed"; for smtpd, it's > "Network error on destination MXs". one "fix" would be to disable TLS for the domains in question, which at least would let the mail go through until the

Re: embarrassing mail problem

2022-10-05 Thread Tom Smyth
howdy Steve... on newer versions of openBSD open SMTPD legacy tls versions / ciphers are disabled by default... there is an option to allow legact tls versions ( i cant remember the option off hand but man smtpd.conf and search for tls you should find it handy enough...( this caught me out on an

embarrassing mail problem

2022-10-05 Thread Steve Fairhead
I've searched and failed, and I realise I'm going to show my total ignorance by not having found an answer (and no, I've not been keeping up these last few years - mea culpa - demanding day-job). But - I'd be grateful for any (gentle or otherwise) cluebats. I have several OpenBSD email