[Fetchmail-users] 'fetchmail' daemon stuck

[<min...@vf...>]

Hello

Every now and then my 'fetchmail' daemon gets stuck. After some time 
(varies between 1/2 hour and a few days) it stops fetching e-mails. I 
did start it in verbose mode and got the below log. The initial 30 MB of 
the log I threw away as it shows only successful operation, the 
interesting part is here:

fetchmail: 6.3.26 querying imap.yandex.com (protocol IMAP) at xxx xxx xx 
xx:xx:xx xxxx: poll started
fetchmail: Trying to connect to 87.250.251.124/993...connected.
fetchmail: Certificate chain, from root to peer, starting at depth 3:
fetchmail: Issuer Organization: Unizeto Sp. z o.o.
fetchmail: Issuer CommonName: Certum CA
fetchmail: Subject CommonName: Certum CA
fetchmail: Certificate at depth 2:
fetchmail: Issuer Organization: Unizeto Sp. z o.o.
fetchmail: Issuer CommonName: Certum CA
fetchmail: Subject CommonName: Certum Trusted Network CA
fetchmail: Certificate at depth 1:
fetchmail: Issuer Organization: Unizeto Technologies S.A.
fetchmail: Issuer CommonName: Certum Trusted Network CA
fetchmail: Subject CommonName: Yandex CA
fetchmail: Server certificate:
fetchmail: Issuer Organization: Yandex LLC
fetchmail: Issuer CommonName: Yandex CA
fetchmail: Subject CommonName: imap.yandex.ru
fetchmail: Subject Alternative Name: imap.yandex.ru
fetchmail: Subject Alternative Name: imap.yandex.kz
fetchmail: Subject Alternative Name: imap.yandex.ua
fetchmail: Subject Alternative Name: imap.yandex.com.tr
fetchmail: Subject Alternative Name: imap.yandex.by
fetchmail: Subject Alternative Name: imap.ya.ru
fetchmail: Subject Alternative Name: imap.yandex.com
fetchmail: imap.yandex.com key fingerprint: 
12:09:8E:B7:44:DE:6F:6B:04:2B:C3:8B:AA:ED:99:53
fetchmail: IMAP< * OK Yandex IMAP4rev1 at imapxxj.mail.yandex.net:993 
ready to talk with ::xxxx:xxx.xxx.xxx.xxx:xxxxx, xxxx-xxx-xx xx:xx:xx, 
xxxxxxxxxxxx
fetchmail: IMAP> A0001 CAPABILITY
fetchmail: IMAP< * BYE Autologout; idle for too long
fetchmail: Received BYE response from IMAP server:  AUTOLOGOUT; IDLE FOR 
TOO LONGfetchmail: IMAP< * BYE Autologout; idle for too long
fetchmail: Received BYE response from IMAP server:  AUTOLOGOUT; IDLE FOR 
TOO LONGfetchmail: IMAP< * BYE Autologout; idle for too long
fetchmail: Received BYE response from IMAP server:  AUTOLOGOUT; IDLE FOR 
TOO LONGfetchmail: IMAP< * BYE Autologout; idle for too long
...

The last line repeats forever, blocking any further polling. Only 
restarting 'fetchmail' helps.

What could be the issue? Possible to circumvent it through further 
configuring 'fetchmail'?


Thanks!

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