hasanmerkit Today my server not send mails anymore and 1000+ mails losted! I downgraded to 2023-07a with using backup server but not solved! Please help!
esackbauer Did you check with your hosting provider? Seems like a network issue, or they blocked you outgoing on port 25 maybe because of spam suspect.
hasanmerkit esackbauer yes, finally i detected internet provider is blocking port 25… 🤦 Thanks for your answer.
