problem after upgrade 7.5.2.

[squalo]

atal error: Allowed memory size of 8388608 bytes exhausted (tried to allocate 1732073 bytes) in /home/httpd/vhosts/webmail/horde/pear/Net/SMTP.php on line 714

who can help me?
1 gb ram server



15:41:28 up 57 days, 4:20, 1 user, load average: 0.25, 0.22, 0.18
120 processes: 115 sleeping, 2 running, 3 zombie, 0 stopped
CPU states: cpu user nice system irq softirq iowait idle
total 3.7% 0.0% 0.5% 0.0% 0.0% 4.3% 91.2%
Mem: 1020412k av, 975360k used, 45052k free, 0k shrd, 72032k buff
681344k actv, 1976k in_d, 13952k in_c
Swap: 2048276k av, 77836k used, 1970440k free 533268k cached

 

[smtalk]

You should change your memory_limit value in php.ini and then restart apache.

 

[squalo]

currently it is:
memory_limit = 20M ; Maximum amount of memory a script may consume (8MB)