This is the debug(1) output:
send: 'ehlo auth.smtp.1and1.co.uk\r\n'
reply: b'250-kundenserver.de Hello auth.smtp.1and1.co.uk [78.141.12.8]\r\n'
reply: b'250-8BITMIME\r\n'
reply: b'250-AUTH LOGIN PLAIN\r\n'
reply: b'250 SIZE 141557760\r\n'
reply: retcode (250); Msg: b'kundenserver.de Hello auth.smtp.1and1.co.uk
[78.141.12.8]\n8BITMIME\nAUTH LOGIN PLAIN\nSIZE 141557760'
send: 'AUTH PLAIN AGdyYWVtZUBnZW1taWxsLm5hbWUARTEwMDBhMTUwXA==\r\n'
reply: b'535 Authentication credentials invalid\r\n'
reply: retcode (535); Msg: b'Authentication credentials invalid'
send: 'AUTH LOGIN Z3JhZW1lQGdlbW1pbGwubmFtZQ==\r\n'
reply: b'334 UGFzc3dvcmQ6\r\n'
reply: retcode (334); Msg: b'UGFzc3dvcmQ6'
send: 'RTEwMDBhMTUwXA==\r\n'
reply: b'535 Authentication credentials invalid\r\n'
reply: retcode (535); Msg: b'Authentication credentials invalid'
send: 'QUIT\r\n'
reply: b'221 kundenserver.de Service closing transmission channel\r\n'
reply: retcode (221); Msg: b'kundenserver.de Service closing
transmission channel'
( I added a smtp.ehlo('auth.smtp.1and1.co.uk') command, because the
first test contained
send: 'ehlo [127.0.0.1]\r\n'
reply: b'250-kundenserver.de Hello [127.0.0.1] [78.141.12.8]\r\n'
but it didn't make the rest any more successful)
The first AUTH PLAIN is rejected, but the AUTH LOGIN is accepted (334).
Is the following Msg: a request to sent a password?
Can anyone decode this further?
Thanks, Graeme
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