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ปัญหา
user ส่งอีเมลออกได้ แต่ปลายทางไม่ได้รับ ฝั่ง user จะได้รับ error ว่า local delivery failed ถ้าเช็คใน logs จะเห็น error ว่า spamcheck transport output: exim: getting initial cwd failed: No such file or directory
สาเหตุเกิดจาก ลบ โฟลเดอร์ใน /tmp เป็น tmp ของ exim ชื่อประมาณว่า systemd-private-67c09abb51664c5b85bfbd0b37fcd5ae-exim.service-tZ6tpz
วิธีแก้ไข
cd /usr/local/directadmin/custombuild
./build update
./build exim
./build exim_conf
แล้วอย่าเผลอไปลบ /tmp systemd-private-67c09abb51664c5b85bfbd0b37fcd5ae-exim.service-tZ6tpz ออก หรือถ้าเผลอลบ ก็ build ใหม่
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